Taxa Listing

All 6584 unique plant names (taxa) planted at the JC Raulston Arboretum are listed below. Use the search form to narrow down the results or download a pdf list from our Current Plantings publication web page.

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A

• Abelia
• Abelia chinensis — Chinese abelia
• Abelia ×grandiflora 'Abelops' — Sunshine Daydream glossy abelia
• Abelia ×grandiflora 'Canyon Creek' — golden glossy abelia
• Abelia ×grandiflora 'Francis Mason' — glossy abelia
• Abelia ×grandiflora 'Frosty' — glossy abelia
• Abelia ×grandiflora 'Hopleys' — Miss Lemon variegated glossy abelia
• Abelia ×grandiflora 'Keiser' — Ruby Anniversary glossy abelia
• Abelia ×grandiflora 'Mardi Gras' — variegated glossy abelia
• Abelia ×grandiflora 'Margarita' — Twist of Orange variegated glossy abelia
• Abelia ×grandiflora 'Minduo1' — Sunny Anniversary glossy abelia
• Abelia ×grandiflora 'Wev02' — Bella Donna glossy abelia
• Abelia 'SRPabeper' (Peach Perfection) — glossy abelia
• Abelia 'X10-9002-23' — abelia
• Abelia 'X10-9028-7'
• Abelia 'X10-9044-1'
• Abelmoschus manihot — sweet hibiscus
• Abies cephalonica 'Meyer's Dwarf' — dwarf Greek fir
• Abies concolor 'Blue Cloak' — concolor fir
• Abies fargesii — Farges' fir
• Abies firma — Momi fir
• Abies guatemalensis — Guatemalan fir
• Abies holophylla — Manchurian fir
• Abies koreana — Korean fir
• Abies koreana 'Silberlocke' — Korean fir
• Abies koreana 'Tundra' — Korean fir
• Abies pinsapo 'Aurea' — golden Spanish fir
• Abutilon 'Bartley Schwarz' — flowering maple
• Abutilon 'Canary Bird' — flowering maple
• Abutilon 'Marion Stewart' — flowering maple
• Abutilon megapotamicum — Brazillian bellflower
• Abutilon megapotamicum 'Little Imp' — Brazillian bellflower
• Abutilon megapotamicum 'Red Heart' — Brazillian bellflower
• Abutilon megapotamicum 'Ruffles' — flowering maple
• Abutilon 'Orange Hot Lava' — flowering maple
• Abutilon 'Sink Pink' — flowering maple
• Abutilon 'Traffic Island' — flowering maple
• Abutilon 'Voodoo' — flowering maple
• Abutilon 'Windcliff Silver Pink' — flowering maple
• Abutilon 'Windcliff White' — flowering maple
• Acalypha pendula — creeping chenille plant
• Acantholimon — Prickly thrift
• Acantholimon (giant silver cushion)
• Acantholimon halophilum
• Acanthus 'Holland Days' — bear's breech
• Acanthus 'Summer Beauty' — bear's breech
• Acanthus 'Wofford Rhubarb' — bear's breech
• Acca sellowiana — Kaiteri pineapple guava
• Acca sellowiana — Kakariki pineapple guava
• Acca sellowiana 'Kawatiri' — pineapple guava
• Acca sellowiana 'Nazemetz' — pineapple guava
• Acca sellowiana 'NCSU Hardy' — pineapple guava
• Acca sellowiana 'Opal Star' — pineapple guava
• Acca sellowiana 'Pounamu' — pineapple guava
• Acca sellowiana — Takaka pineapple guava
• Acer — maple
• Acer 'Asian Queen' — smooth Japanese maple
• Acer buergerianum — trident maple
• Acer buergerianum 'Bling-bling' — trident maple
• Acer buergerianum var. formosanum — trident maple
• Acer buergerianum 'Inazuma Nishiki' — trident maple
• Acer buergerianum 'Michael Steinhardt' — trident maple
• Acer buergerianum 'Mino yatsubusa' — trident maple
• Acer buergerianum 'Miyadono' — trident maple
• Acer buergerianum 'Miyasama' — trident maple
• Acer buergerianum 'Naruto' — trident maple
• Acer buergerianum var. ningpoense — trident maple
• Acer aff. campbellii — Campbell's maple
• Acer campbellii 'Boney Fingers' — Campbell's maple
• Acer campbellii subsp. flabellatum — Campbell's Maple
• Acer campbellii subsp. sinense — Campbell's maple
• Acer campestre 'Carnival' — field maple
• Acer campestre 'Nanum' — compact hedge maple
• Acer cappadocicum subsp. cappadocicum — Coliseum maple
• Acer cappadocicum subsp. cappadocicum 'Aureum' — golden Coliseum maple
• Acer cappadocicum subsp. divergens
• Acer caudatifolium — Kawakami maple
• Acer caudatifolium (orange stem) — Taiwan Snakebark Maple
• Acer ceriferum
• Acer cissifolium — ivy-leaf maple
• Acer aff. davidii
• Acer discolor — evergreen maple
• Acer elegantulum — elegant maple
• Acer (evergreen)
• Acer fabri — Faber evergreen maple
• Acer aff. fabri — Faber maple
• Acer ×freemanii 'Celzam' — Celebration Freeman maple
• Acer ×freemanii 'JFS-KW78' — Armstrong Gold Freeman maple
• Acer 'Girard's Selection' — cinnamon-bark maple
• Acer grandidentatum 'Hipzam' — Highland Park bigtooth maple
• Acer griseum — paperbark maple
• Acer griseum × A. pseudoplatanus — hybrid maple
• Acer griseum 'JFS KW8AGRI' — Fireburst paperbark maple
• Acer henryi — Henry's maple
• Acer henryi 'JFS KW8AH' — Tranquil Sunrise Henry's maple
• Acer hyrcanum — Balkan maple
• Acer japonicum 'Aconitifolium' — full moon maple
• Acer japonicum 'Green Cascade' — full moon maple
• Acer japonicum 'Ô Isami' — full moon maple
• Acer 'JFS-KW249' — Ruby Sunset maple
• Acer 'Johnnie's Giant' — Japanese maple
• Acer laevigatum — smooth maple
• Acer laevigatum 'Hóng Lóng' — smooth maple
• Acer leucoderme 'Confederate Ghost' — variegated chalk maple
• Acer longipes
• Acer miyabei — Miyabe maple
• Acer monspessulanum — Montpelier maple
• Acer negundo 'Flamingo' — boxelder
• Acer negundo 'Kelly's Gold' — boxelder
• Acer negundo 'Winter Lightning' — boxelder
• Acer nipponicum — Nippon maple
• Acer oblongum — flying moth maple
• Acer oblongum var. itoanum — Himalayan maple
• Acer oliverianum 'Hot Blonde' — Oliver's maple
• Acer oliverianum 'Nakahara Beni' — Oliver maple
• Acer palmatum — Japanese maple
• Acer palmatum × A. circinatum — hybrid maple
• Acer palmatum 'Aka Kawa Hime' — coral-bark Japanese maple
• Acer palmatum 'Alan's Gold' — Japanese maple
• Acer palmatum 'Ao kanzashi' — variegated Japanese maple
• Acer palmatum 'Aoyagi' — Japanese maple
• Acer palmatum 'Arakawa' — Japanese maple
• Acer palmatum 'Asahi Zuru' — variegated Japanese maple
• Acer palmatum 'Beni fushigi' — red lace-leaf Japanese maple
• Acer palmatum 'Beni Hoshi' — Japanese maple
• Acer palmatum 'Beni komachi' — dwarf red-leaf Japanese maple
• Acer palmatum 'Beni ôtake' — red bamboo Japanese maple
• Acer palmatum 'Beni schichihenge' — variegated pink-leaf Japanese maple
• Acer palmatum 'Beni shi en' — variegated Japanese maple
• Acer palmatum 'Bihou' — gold-bark Japanese maple
• Acer palmatum 'Black Lace' — Japanese maple
• Acer palmatum 'Bloodgood' — purple-leaf Japanese maple
• Acer palmatum 'Burgundy Lace' — Japanese maple
• Acer palmatum 'Calico' — Japanese maple
• Acer palmatum 'Chishio Improved' — Japanese maple
• Acer palmatum 'Corallinum' — Japanese maple
• Acer palmatum 'Creech's Miyabei' — Japanese maple
• Acer palmatum 'Crimson Queen' — red lace-leaf Japanese maple
• Acer palmatum Dissectum Atropurpureum Group — Japanese maple
• Acer palmatum Dissectum Viride Group — green lace-leaf Japanese maple
• Acer palmatum 'Dixie Delight' — Japanese maple
• Acer palmatum 'E.P.' — purple-leaf Japanese maple
• Acer palmatum 'Emerald Lace' — lace-leaf Japanese maple
• Acer palmatum 'Enkan' — dwarf red Japanese maple
• Acer palmatum 'Frilly Willy' — Japanese maple
• Acer palmatum (Fujinami clone) — Japanese maple
• Acer palmatum 'Geisha Gone Wild' — Japanese maple
• Acer palmatum 'Glowing Embers' — Japanese maple
• Acer palmatum 'Gold Digger' — coral-bark Japanese maple
• Acer palmatum 'Golden Falls' — Japanese maple
• Acer palmatum 'Goshiki-koto-hime' — Japanese maple
• Acer palmatum 'Green Hornet' — Japanese maple
• Acer palmatum 'Green Star' — green-leaf Japanese maple
• Acer palmatum 'Green Trompenburg' — Japanese maple
• Acer palmatum 'Hagoromo' — angel's dress Japanese maple
• Acer palmatum 'Haha no Sango' — Japanese maple
• Acer palmatum 'Hana Matoi' — variegated dissectum Japanese maple
• Acer palmatum 'Hefner's Red' — Japanese maple
• Acer palmatum 'Higasa yama' — variegated Japanese maple
• Acer palmatum 'Hime Shojo' — Japanese maple
• Acer palmatum 'Himi's Emerald Gem' — Japanese maple
• Acer palmatum 'Hino Tori Nishiki' — Japanese maple
• Acer palmatum 'Hôgyoku' — green-leaf Japanese maple
• Acer palmatum 'Hubb's Red Willow' — purple narrowleaf Japanese maple
• Acer palmatum 'Ikandi' — variegated Japanese maple
• Acer palmatum 'Jeannie's Dream' — Japanese maple
• Acer palmatum 'Jirô shidare' — green-leaf Japanese maple
• Acer palmatum 'Kamagata' — Japanese maple
• Acer palmatum 'Kashima yatsubusa' — dwarf Japanese maple
• Acer palmatum 'Kiri Nishiki' — Japanese maple
• Acer palmatum 'Kiyohime' — spreading Japanese maple
• Acer palmatum 'Kiyohime Yatsubusa' — dwarf Japanese maple
• Acer palmatum 'Koto ito komachi' — Japanese maple
• Acer palmatum 'Koyamadari Nishiki' — Japanese maple
• Acer palmatum 'Krazy Krinkle' — Japanese maple
• Acer palmatum 'Kuro Hime' — dwarf Japanese maple
• Acer palmatum 'Lemon Chiffon' — Japanese maple
• Acer palmatum 'Linearilobum' — green narrowleaf Japanese maple
• Acer palmatum 'Mama' — tatter-leaf Japanese maple
• Acer palmatum 'Manyô-no-sato' — Japanese maple
• Acer palmatum 'Margaret Bee' — purple-leaf Japanese maple
• Acer palmatum 'Mikawa Yatsubusa' — dwarf Japanese maple
• Acer palmatum 'Milky Way' — agina japanese maple
• Acer palmatum 'Moonfire' — purple-leaf Japanese maple
• Acer palmatum 'Nakakamado Weeping' — Japanese maple
• Acer palmatum 'Nebula' — Japanese maple
• Acer palmatum 'Nishiki gawa' — pine-bark Japanese maple
• Acer palmatum 'Nishiki Momiji' — green-leaf Japanese maple
• Acer palmatum 'Nuresagi' — purple-leaf Japanese maple
• Acer palmatum 'O jishi' — dwarf Japanese maple
• Acer palmatum 'Ô kagami' — Japanese maple
• Acer palmatum 'Okukuji Nishiki' — variegated Japanese maple
• Acer palmatum 'Okushimo' — tube-leaf Japanese maple
• Acer palmatum 'Omure yama' — green-leaf Japanese maple
• Acer palmatum 'Orange Hagoromo' — Japanese maple
• Acer palmatum 'Oregon Sunset' — red lace-leaf Japanese maple
• Acer palmatum 'Oridono Nishiki' — variegated chameleon Japanese maple
• Acer palmatum 'Orion' — Japanese maple
• Acer palmatum 'Ornatum' — red lace-leaf Japanese maple
• Acer palmatum 'Ōsakasuki' — green-leaf Japanese maple
• Acer palmatum 'Pendulum Julian' — red lace-leaf Japanese maple
• Acer palmatum 'Peve Starfish' — Japanese maple
• Acer palmatum 'Pung Kil' — Japanese maple
• Acer palmatum 'Purple Ghost' — purple-leaf Japanese maple
• Acer palmatum 'Red Dragon' — red lace-leaf Japanese maple
• Acer palmatum 'Red Filigree Lace' — red lace-leaf Japanese maple
• Acer palmatum 'Red Pygmy' — red narrowleaf Japanese maple
• Acer palmatum 'Red Select' — Japanese maple
• Acer palmatum 'Rhode Island Red' — red-leaf Japanese maple
• Acer palmatum 'Roja Yatsubusa' — Japanese maple
• Acer palmatum 'Roxie' — Japanese maple
• Acer palmatum 'Ruby Stars' — dwarf red-leaf Japanese maple
• Acer palmatum 'Ryusen' — Japanese maple
• Acer palmatum 'Saiho' — dwarf Japanese maple
• Acer palmatum 'Sango kaku' — coral bark Japanese maple
• Acer palmatum 'Satsuki Beni' — Japanese maple
• Acer palmatum 'Scarlet Princess' — dissectum Japanese maple
• Acer palmatum 'Seigai' — dwarf Japanese maple
• Acer palmatum 'Seiryu' — Japanese maple
• Acer palmatum 'Seiun kaku' — dwarf Japanese maple
• Acer palmatum 'Sekka Yatsubusa' — green-leaf Japanese maple
• Acer palmatum 'Shaina' — dwarf purple-leaf Japanese maple
• Acer palmatum 'Sherwood Flame' — purple-leaf Japanese maple
• Acer palmatum 'Shigitatsu sawa' — variegated Japanese maple
• Acer palmatum 'Shishi Yatsubusa' — dwarf Japanese maple
• Acer palmatum 'Shishigashira' — lion's-mane Japanese maple
• Acer palmatum 'Spring Delight' — Japanese maple
• Acer palmatum 'Sumi Nagashi' — purple-leaf Japanese maple
• Acer palmatum 'Summer Gold' — gold-leaf Japanese maple
• Acer palmatum 'Syuka' — Japanese maple
• Acer palmatum 'Tama Hime' — dwarf Japanese maple
• Acer palmatum 'Tamuke yama' — red lace-leaf Japanese maple
• Acer palmatum 'Tiny Tim' — Japanese maple
• Acer palmatum 'Trompenburg' — purple leaf Japanese maple
• Acer palmatum 'Tsukasa Silhouette' — columnar Japanese maple
• Acer palmatum 'Ueno Homare' — Japanese maple
• Acer palmatum 'Ukigumo' — Japanese maple
• Acer palmatum 'Wabito' — Japanese maple
• Acer palmatum 'Waterfall' — Japanese maple
• Acer palmatum 'Wildfire' — Japanese maple
• Acer palmatum 'Wilson's Pink Dwarf' — Japanese maple
• Acer palmatum 'Wou Nishiki' — Japanese maple
• Acer palmatum 'Yellow Threads' — Japanese maple
• Acer palmatum 'Yubae' — variegated purple-leaf Japanese maple
• Acer pauciflorum — maple
• Acer pentaphyllum — five-lobe maple
• Acer pentaphyllum (NSW genetics)
• Acer pictum 'Usugumo' — variegated painted maple
• Acer pilosum var. stenolobum — stencilled maple
• Acer platanoides 'Ruby's Joy' — Norway maple
• Acer pseudoplatanus 'Simon-Louis Frères' — variegated sycamore maple
• Acer pseudosieboldianum — Korean maple
• Acer pseudosieboldianum × A. palmatum — hybrid Japanese maple
• Acer pubinerve — Chinese maple
• Acer pubipalmatum
• Acer robustum — maple
• Acer rubrum 'Candy Ice' — red maple
• Acer rubrum 'New World' — red maple
• Acer saccharinum 'Born's Gracious' — silver maple
• Acer saccharinum 'JFS H1' — Symatree silver maple
• Acer saccharum 'Barrett Cole' — Apollo sugar maple
• Acer saccharum 'Flax Mill Majesty' — sugar maple
• Acer saccharum 'Millane Dwarf' — sugar maple
• Acer saccharum 'Reba' — Belle Tower sugar maple
• Acer saccharum 'Whit XLIX' — Powder Keg sugar maple
• Acer sempervirens — Cretan maple
• Acer serrulatum — Taiwan maple
• Acer shirasawanum 'Jordan' — golden full moon maple
• Acer shirasawanum 'Munn 001' — Moonrise full moon maple
• Acer shirasawanum 'Palmatifolium' — Shirasawa maple
• Acer shirasawanum var. tenuifolium 'Keikan Zan' — fullmoon maple
• Acer shirasawanum 'Yasemin' — full moon maple
• Acer sieboldianum 'Seki-no-kegon' — Siebold's maple
• Acer skutchii — Mexican mountain sugar maple
• Acer skutchii 'Tequila Sunrise' — Mexican mountain sugar maple
• Acer stachyophyllum subsp. betulifolium — birch-leaf maple
• Acer tataricum subsp. semenovii — Turkestan shrub maple
• Acer tonkinense — Tonkin maple
• Acer truncatum — Shantung maple
• Acer truncatum 'Golden Dragon' — Shantung maple
• Acer tschonoskii — butterfly maple
• Acer ×waxmanii — paperbark maple
• Achillea asplenifolia — yarrow
• Achillea crithmifolia
• Achillea millefolium 'FLORACHYE2' — Milly Rock Yellow Terracotta Improved yarrow
• Achillea millefolium (Montrose rose form) — common yarrow
• Achillea millefolium 'Strawberry Seduction' — yarrow
• Achillea nobilis — noble yarrow
• Achillea 'Sassy Summer Lemon' — yarrow
• Achillea 'Sassy Summer Taffy' — yarrow
• Achillea umbellata — umbellate yarrow
• Acis autumnalis — autumn snowflake
• Aconitum fischeri — monkshood
• Acorus gramineus 'Licorice' — golden sweet flag
• Acorus gramineus 'Minimus Aureus' — sweet flag
• Acorus gramineus 'Oborozuki' — variegated sweet flag
• Acorus gramineus 'Ogon' — sweet flag
• Actinidia arguta (variegated) — hardy kiwi
• Actinidia chinensis var. setosa — hardy kiwi
• Actinidia chinensis 'Vincent' (female) — kiwi fruit
• Actinidia kolomikta 'September Sun'
• Adenophora — bellflower
• Adenophora nikoensis
• Adiantum aleuticum 'Imbricatum' — western maidenhair fern
• Adiantum capillus-veneris 'Alabama Lace' — maidenhair fern
• Adiantum capillus-veneris 'Bermuda Run' — maidenhair fern
• Adiantum capillus-veneris 'Falling Waters' — maidenhair fern
• Adiantum capillus-veneris 'Fan Dance' — maidenhair fern
• Adiantum caudatum — walking maidenhair fern
• Adiantum ×mairisii — hybrid maidenhair fern
• Adina rubella (purple flower) — Chinese buttonbush
• Adinandra glischroloma
• Adinandra millettii
• Adinandra millettii (ABGG red purple clone)
• Aeschynanthus buxifolius — box-leaf lipstick plant
• Aesculus 'Bergeson' — Prairie Torch buckeye
• Aesculus californica — California buckeye
• Aesculus californica 'Canyon Pink' — California buckeye
• Aesculus ×carnea 'Rosea' — red horse chestnut
• Aesculus ×carnea 'Variegata' — variegated red horse chestnut
• Aesculus ×carnea (variegated) — red horsechestnut
• Aesculus chinensis — Chinese horse chestnut
• Aesculus chinensis var. wilsonii — Wilson's horse chestnut
• Aesculus indica 'Sydney Pearce' — pink Indian horse chestnut
• Aesculus ×mutabilis — hybrid buckeye
• Aesculus ×mutabilis 'Induta' — hybrid buckeye
• Aesculus parviflora — bottlebrush buckeye
• Aesculus parviflora f. serotina — late bottlebrush buckeye
• Aesculus pavia 'Fishtail' — red buckeye
• Aesculus pavia var. pavia — red buckeye
• Aesculus pavia (peach flower)
• Aesculus pavia 'Red Baron' — red buckeye
• Aesculus pavia 'Splendens' — red buckeye
• Aesculus turbinata 'Marble Chip' — Japanese horse chestnut
• Aesculus wangii — Wang's horsechestnut
• Aesculus ×woerlitzensis — hybrid buckeye
• Aethionema armenum
• Aethionema saxatile — stonecress
• Aethionema subulatum
• Agapanthus 'Blue Yonder' — Blue Yonder lily of the Nile
• Agapanthus 'Early Blue'
• Agapanthus 'Galaxy White' — lily of the nile
• Agapanthus 'Stevie's Wonder' — lily of the Nile
• Agapanthus 'Summer Skies' — lily-of-the-Nile
• Agapanthus 'White Heaven'
• Agarista populifolia — Florida leucothoe
• Agarista populifolia 'Taylor's Treasure' — Leprechaun Florida leucothoe
• Agastache 'Agapk' (Beelicious Pink)
• Agastache 'Crazy Fortune'
• Agastache 'Guava Lava' — anise hyssop
• Agastache 'Kudos Coral'
• Agastache mexicana 'Balsumlilac' — Summerlong Lilac Mexican giant hyssop
• Agathis macrophylla
• Agave asperrima — rough century plant
• Agave 'Bluebell Giants' — century plant
• Agave bracteosa 'Octopussy' — bracted century plant
• Agave bracteosa 'Squidget' — dwarf bracted century plant
• Agave 'Crazy Horse' — century plant
• Agave cryptica — century plant
• Agave 'Durango Fandango' — century plant
• Agave flexispina — century plant
• Agave 'Funky Toes' — century plant
• Agave ×glomeruliflora — Chisos mountains century plant
• Agave gracilipes — slimfoot century plant
• Agave 'Huasteca Giant' — century plant
• Agave isthmensis 'Kabuto Gani' — century plant
• Agave lechuguilla — shin dagger
• Agave lophantha — thorn-crested century plant
• Agave lophantha × A. salmiana var. ferox 'Logan Calhoun' — hybrid century plant
• Agave lophantha 'La Bufa Baby' — thorn-crested century plant
• Agave lophantha 'Miniskirt' — thorn-crested century plant
• Agave lophantha 'Quadricolor' — thorn-crested century plant
• Agave 'Mr. Ripple' — hybrid century plant
• Agave multifilifera 'Basaseachic Falls' — chahuiqui
• Agave ocahui var. ocahui — ocahui
• Agave ovatifolia — whale's tongue agave
• Agave ovatifolia 'Frosty Blue' — whale's tongue agave
• Agave pablocarrilloi 'Baby Booties' — gypsum century plant
• Agave palmeri 'Cutty Shark' — Palmer's century plant
• Agave parryi var. huachucensis — Huachuca century plant
• Agave parryi var. huachucensis 'Excelsior' — variegated Huachuca century plant
• Agave parryi 'J.C. Raulston' — century plant
• Agave parryi subsp. neomexicana 'Culberson Giant' — New Mexico century plant
• Agave parviflora — small-flowered century plant
• Agave salmiana — century plant
• Agave salmiana var. ferox 'Bellville' — giant century plant
• Agave salmiana var. ferox 'Logan Calhoun' — giant century plant
• Agave striata — narrow-leaved century plant
• Agave striata var. striata — narrow-leaved century plant
• Agave 'Twisted Tongue' — century plant
• Agave utahensis subsp. kaibabensis — Utah century plant
• Agave victoriae-reginae — Queen Victoria century plant
• Agave victoriae-reginae 'Bustamonte' — Queen Victoria century plant
• Ageratina ligustrina — privet-leaved snakeroot
• Ailanthus giraldii — Giraldi's tree of heaven
• Ajania × Chrysanthemum — garden chrysanthemum
• Ajania pacifica — silver and gold chrysanthemum
• Ajuga 'Cordial Canary' — Feathered Friends carpet bugle
• Ajuga 'Fierce Falcon' — Feathered Friends ajuga
• Ajuga genevensis — blue bugle
• Ajuga incisa 'Bikun' — carpet bugle
• Ajuga incisa 'Blue Enigma' — giant bugle
• Ajuga 'Noble Nightingale' — Feathered Friends carpet bugle
• Ajuga 'Parrot Paradise' — Feathered Friends carpet bugle
• Ajuga pyramidalis 'Metallica Crispa' — pyramid bugle
• Ajuga reptans — carpet bugle
• Ajuga reptans 'Assaj1' — Princess Elsa carpet bugle
• Ajuga reptans 'Binblasca' — Black Scallop black carpet bugle
• Ajuga reptans 'Planet Zork' — carpet bugle
• Ajuga tenorei 'Valfredda' — Chocolate Chip carpet bugle
• Ajuga 'Tropical Toucan' — Feathered Friends carpet bugle
• Akebia longeracemosa — chocolate vine
• Akebia quinata (silver overlay) — variegated chocolate vine
• Akebia trifoliata — three-finger akebia
• Akebia trifoliata (variegated) — variegated three-finger akebia
• Alangium chinense
• Alangium platanifolium — alangium
• Albizia coreana — Korean mimosa
• Albizia julibrissin (ex. 'Summer Chocolate') — mimosa
• Albizia julibrissin 'Fukuba Shidare' — weeping mimosa
• Albuca flaccida
• Albuca shawii
• Allium — flowering onion
• Allium altyncolicum
• Allium 'Ambassador'
• Allium amethystinum — drumstick allium
• Allium ampeloprasum var. ampeloprasum — great-head garlic
• Allium atropurpureum
• Allium 'Bubble Bath' — ornamental onion
• Allium canadense var. florosum 'White Flag' — meadow garlic
• Allium carolinianum — stout alpine onion
• Allium cepa 'Medusa' — ornamental onion
• Allium christophii
• Allium cristophii — star of Persia
• Allium cyaneum
• Allium cyrilli — Cyrillo's onion
• Allium 'Firmament'
• Allium flavum
• Allium giganteum
• Allium (hybrid)
• Allium jesdianum 'Akbulak'
• Allium jesdianum 'Early Emperor'
• Allium karataviense — Turkistan onion
• Allium kiiense
• Allium 'Miami' — ornamental onion
• Allium 'Millennium' — ornamental onion
• Allium moly 'Jeannine'
• Allium nevskianum
• Allium nutans — Siberian chives
• Allium nutans 'Pam Harper' — steppe onion
• Allium 'Pink Feathers' — ornamental onion
• Allium 'Pink Planet'
• Allium aff. plurifoliatum
• Allium ×proliferum — Egyptian walking onion
• Allium pskemense
• Allium 'Purple Sensation'
• Allium schubertii
• Allium senescens 'Glauca'
• Allium 'Serendipity' — ornamental onion
• Allium 'Silver Spring'
• Allium sphaerocephalon — drumstick leek
• Allium stipitatum 'Violet Beauty'
• Allium 'Sugar Melt' — ornamental onion
• Allium 'Summer Drummer'
• Allium 'Summer Pink' — ornamental onion
• Allium texanum — Texas onioni
• Allium thunbergii
• Allium triquetrum — three-cornered leek
• Allium tuberosum — garlic chives
• Allium 'Yellow Fantasy'
• Alocasia 'Architexture' — elephant ear
• Alocasia cucullata 'Moon Landing' — variegated hooded dwarf elephant ear
• Alocasia 'Mayan Mask' — elephant ear
• Alocasia odora
• Alocasia 'Portodora' — hybrid upright elephant ear
• Alocasia 'Regal Shields' — upright elephant ear
• Aloe aristata
• Aloe maculata 'Fort Worth' — soap aloe
• Aloe microstigma
• Aloysia gratissima — whitebrush
• Aloysia gratissima 'Punky Brewster' — whitebrush
• Alpinia — ginger
• Alpinia japonica — ginger lily
• Alpinia japonica 'Green Waves' — ginger lily
• Alpinia koshunensis — Taiwan shell ginger
• Alstroemeria 'Casablanca' — Peruvian lily
• Alstroemeria 'Freedom' — red Peruvian lily
• Alstroemeria ×hybrida 'PAS2052' — Jazze Rose Frost Peruvian lily
• Alstroemeria psittacina — parrot lily
• Alstroemeria psittacina 'Variegata' — variegated parrot lily
• Alstroemeria 'Red Valley' — Peruvian lily
• Alstroemeria 'Sweet Laura' — golden Peruvian lily
• Alstroemeria 'Tesronto Imp'
• Alyssoides utriculata
• Alyssum aizoides — yellow alyssum
• Alyssum wulfenianum
• ×Amarcrinum — amarcrinum
• ×Amarcrinum 'Born Free'
• ×Amarcrinum 'Lon Delkin'
• ×Amarcrinum memoria-corsii 'Howardii' — crinodonna
• Amaryllis belladonna
• Amelanchier asiatica var. sinica
• Amelanchier canadensis 'Glenn Form' — Rainbow Pillar Canadian serviceberry
• Amelanchier ×grandiflora 'Silver Fountain' — serviceberry
• Amentotaxus cathayensis — Chinese catkin-yew
• Amentotaxus yunnanensis — Yunnan catkin-yew
• Amorpha georgiana — Georgia false indigo
• Amorphophallus henryi (narrow leaf form)
• Amorphophallus henryi (PDN No. 2)
• Amorphophallus kiusianus — devil's tongue
• Amorphophallus konjac — voodoo lily
• Amorphophallus konjac 'Flesh Gordon' — voodoo lily
• Amorphophallus konjac 'Leo Song' — voodoo lily
• Amorphophallus konjac 'Nightstick' — voodoo lily
• Amorphophallus konjac 'Shattered Glass' — voodoo lily
• Amorphophallus tonkinensis
• Amorphophallus yunnanensis
• Ampelaster carolinianus — climbing aster
• Amsonia 'Blue Ice' — hybrid bluestar
• Amsonia ciliata var. filifolia 'Georgia Pancake' — threadleaf bluestar
• Amsonia ciliata 'Halfway to Arkansas' — fringed bluestar
• Amsonia hubrichtii — threadleaf bluestar
• Amsonia hubrichtii 'Butterscotch' — threadleaf bluestar
• Amsonia hubrichtii (ex. 'Butterscotch')
• Amsonia jonesii — Jones' bluestar
• Amsonia ludoviciana — Louisiana bluestar
• Amsonia orientalis — European bluestar
• Amsonia rigida 'Black's Dwarf' — stiff bluestar
• Amsonia tabernaemontana 'Storm Cloud' — bluestar
• Anacampseros rufescens
• Anatherum ternarium 'Black Mountain' — bluestem
• Andrachne colchica — Caucasian spurge
• Andropogon gerardii 'Lord Snowden' — big bluestem
• Andropogon gerardii 'Red October' — big bluestem
• Andropogon ternarius — splitbeard bluestem
• Andryala agardhii
• Anemone blanda 'Blue Shades' — windflower
• Anemone blanda 'Charmer' — windflower
• Anemone blanda 'Violet Star' — windflower
• Anemone coronaria 'Bride'
• Anemone coronaria 'Mister Fokker' — poppy anemone
• Anemone coronaria 'Mount Everest'
• Anemone coronaria [St. Brigid Group] 'Lord Lieutenant'
• Anemone coronaria [St. Brigid Group] 'The Admiral'
• Anemone coronaria 'Sylphide'
• Anemone coronaria 'The Governor'
• Anemone hupehensis 'Pretty Lady Maria' — windflower
• Anemone lithophila
• Angelica keiskei — Japanese angelica
• Angelica palustris — Marsh angelica
• Anisacanthus quadrifidus var. brevilobus — flame acanthus
• Anisacanthus quadrifidus var. wrightii — flame acanthus
• Anisacanthus quadrifidus var. wrightii 'Chihuahua Compact' — flame acanthus
• Anisacanthus quadrifidus var. wrightii 'Pumpkin' — flame anisacanthus
• Anthericum liliago — St Bernard's lily
• Anthyllis barba-jovis
• Antirrhinum australe
• Antirrhinum barrelieri — Spanish snapdragon
• Antirrhinum braun-blanquetii
• Antirrhinum hispanicum — Spanish snapdragon
• Aphananthe aspera — muku tree
• Aphyllanthes monspeliensis (LD Form)
• Apios americana
• Aquilegia — columbine
• Aquilegia atrata
• Aquilegia baluchistanica
• Aquilegia buergeriana (dwarf form) — dwarf columbine
• Aquilegia caerulea — Kirigami Light Blue & White bicolor columbine
• Aquilegia caerulea — Kirigami Red & White bicolor columbine
• Aquilegia canadensis — wild columbine
• Aquilegia fragrans — sweet-scented columbine
• Aquilegia grahamii
• Aquilegia nigricans — columbine
• Aquilegia oxysepala var. kansuensis — Oriental Columbine
• Aquilegia parviflora
• Aquilegia ×puryearana 'Bernice Ikins' — blazing stars columbine
• Aquilegia 'Roman Bronze'
• Aquilegia thalictrifolia
• Aquilegia transsilvanica — columbine
• Aquilegia vulgaris — columbine
• Aquilegia yabeana
• Arachniodes davalliaeformis — shiny bristle fern
• Arachniodes simplicior — east Indian holly fern
• Arachniodes standishii — upside-down fern
• Araiostegia pseudocystopteris — rabbit's foot fern
• Aralia cordata 'Sun King' — Japanese spikenard
• Araucaria araucana × A. angustifolia — hybrid monkey puzzle tree
• Arbutus unedo 'Compacta' — compact strawberry tree
• Arbutus unedo 'Oktoberfest' — strawberry tree
• Arctostaphylos 'Austin Griffiths'
• Arctostaphylos densiflora 'Howard McMinn'
• Arctostaphylos 'Pacific Mist' — manzanita
• Ardisia — coralberry
• Ardisia crenata — Adam's Curly coralberry
• Ardisia crenata 'Kotobuki' — coralberry
• Ardisia crenata (white-fruited) — coralberry
• Ardisia japonica 'Andre the Giant' — marlberry
• Ardisia japonica 'Angyo Pixie' — marlberry
• Ardisia japonica 'Beni Yukiji'
• Ardisia japonica 'Chirimen' — dwarf marlberry
• Ardisia japonica 'El Luchador' — marlberry
• Ardisia japonica 'Hakuou' — White King variegated marlberry
• Ardisia japonica 'Hanatei' — marlberry
• Ardisia japonica (narrow leaf) — narrow leaf ardisia
• Ardisia japonica 'Nishiki'
• Ardisia japonica 'Takasago' — marlberry
• Ardisia japonica (variegated)
• Ardisia japonica (Yabukoji) — marlberry
• Ardisia polycephala — Wallich's Coralberry
• Argemone platyceras 'Busy Bee' — prickly poppy
• Arisaema amurense — cobra-lily
• Arisaema candidissimum (White form) — white cobra lily
• Arisaema consanguineum — Himalayan cobra lily
• Arisaema aff. consanguineum — Himalayan cobra lily
• Arisaema 'Crossing Over' — Jack-in-the-Pulpit
• Arisaema dracontium — green dragon
• Arisaema fargesii — Farges's cobra lily
• Arisaema flavum — yellow cobra lily
• Arisaema ilanense — cobra lily
• Arisaema kiushianum — Kyushu cobra-lily
• Arisaema ovale
• Arisaema pingbianense
• Arisaema ringens — Japanese cobra lily
• Arisaema sikokianum (Graham Ray form, maybe variegated)
• Arisaema taiwanense — Formosan cobra lily
• Arisaema taiwanense (silver sheen) — Formosan cobra lily
• Arisaema thunbergii subsp. urashima — Urashima cobra lily
• Aristea anceps (Silver Hills form)
• Aristea ensifolia — blue stars
• Aristolochia fimbriata — hardy Dutchman's pipe
• Aronia melanocarpa 'UCONNAM012' — Ground Hug dwarf chokeberry
• Aronia melanocarpa 'UCONNAM165' — Low Scape Mound dwarf chokeberry
• Aronia ×prunifolia 'Wisley' — purple chokeberry
• Artemisia molinieri — Molinier's wormwood
• Artemisia 'Powis Castle' — Powis Castle artemisia
• Arum concinnatum
• Arum cyrenaicum × A. concinnatum
• Arum dioscoridis
• Arum italicum × Arum italicum subsp. neglectum 'Chameleon'
• Arum italicum 'Billy Hunt' — Italian arum
• Arum italicum 'Dapples' — Italian arum
• Arum italicum 'Gold Rush' — Italian arum
• Arum italicum 'Grandma' — Italian arum
• Arum italicum subsp. italicum — Italian arum
• Arum italicum 'Jet Black Wonder' — Italian arum
• Arum italicum 'Legs' — Italian arum
• Arum italicum (No. 1)
• Arum italicum (No. 2)
• Arum italicum 'Winter Angel'
• Arum pictum — autumn-flowering arum
• Arundo donax 'Golden Chain' — giant reed
• Arundo donax 'Peppermint Stick' — giant reed
• Arundo formosana 'Variegata' — giant reed
• Asarum — wild ginger
• Asarum albomaculatum — wild ginger
• Asarum arifolium 'Brunswick Stew' — arrowhead wild ginger
• Asarum asaroides — wild ginger
• Asarum asperum — wild ginger
• Asarum canadense — common wild-ginger
• Asarum caudigerum — wild ginger
• Asarum debile — wild ginger
• Asarum europaeum — European wild ginger
• Asarum fauriei var. takaoi — wild ginger
• Asarum fauriei var. takaoi 'Roundabout' — wild ginger
• Asarum harperi
• Asarum harperi (green leaf)
• Asarum hypogynum — little jugs
• Asarum ichangense — wild ginger
• Asarum kumageanum — Japanese wild ginger
• Asarum macranthum — wild ginger
• Asarum macranthum 'On the Mark' — wild ginger
• Asarum maximum — panda face wild ginger
• Asarum maximum 'Ling Ling' — panda face wild ginger
• Asarum nobilissimum 'Crown Royal' — wild ginger
• Asarum nobilissimum 'Deep Throat'
• Asarum nobilissimum 'Iron Butterfly'
• Asarum porphyronotum — glossy-leaf wild ginger
• Asarum porphyronotum var. atrovirens 'Internet' — wild ginger
• Asarum 'Setsu Getsu Ka' — wild ginger
• Asarum speciosum 'Woodlander's Select' — Alabama wild ginger
• Asarum splendens — Chinese wild ginger
• Asarum splendens 'Quicksilver' — wild ginger
• Asarum subglobosum — wild ginger
• Asarum aff. taipingshanianum — wild ginger
• Asarum yakusimense 'Sarlacc' — Yakushima wild ginger
• Asclepias angustifolia 'Sonoita' — narrow leaf milkweed
• Asclepias curassavica 'Red Butterfly' — tropical milkweed
• Asclepias incarnata — swamp milkweed
• Asclepias incarnata 'Cinderella' — swamp milkweed
• Asclepias incarnata 'Ice Ballet' — swamp milkweed
• Asclepias incarnata (Large Marge) — swamp milkweed
• Asclepias perennis — white swamp milkweed
• Asclepias tuberosa — butterfly weed
• Asclepias tuberosa 'Hello Yellow' — butterfly weed
• Asclepias tuberosa subsp. tuberosa — butterfly weed
• Asimina triloba — pawpaw
• Asparagus acutifolius — wild asparagus
• Asparagus africanus — African asparagus
• Asparagus asparagoides — bridal creeper
• Asparagus brachyphyllus — wild asparagus
• Asparagus cochinchinensis — Chinese tuber asparagus
• Asparagus densiflorus 'Hardy Sprengeri'
• Asparagus denudatus — Sprenger's asparagus fern
• Asparagus maritimus
• Asparagus microraphis — asparagus fern
• Asparagus oligoclonos — ornamental asparagus
• Asparagus persicus — asparagus
• Asparagus schoberioides
• Asparagus setaceus
• Asparagus virgatus — broom fern
• Asparagus volubilis
• Asphodeline brevicaulis — short yellow asphodel
• Asphodeline damascena — king's spear
• Asphodeline lutea 'Italian Gold' — king's spear
• Asphodelus ayardii
• Asphodelus fistulosus
• Asphodelus ramosus
• Aspidistra — cast iron plant
• Aspidistra attenuata — cast iron plant
• Aspidistra attenuata 'Small n' Smart' — cast iron plant
• Aspidistra basalis 'Green Jeans' — cast iron plant
• Aspidistra 'China Moon' — cast iron plant
• Aspidistra daibuensis 'Yuli Yummy' — cast iron plant
• Aspidistra daibuensis 'Yushan Galaxy' — Yushan galaxy cast iron plant
• Aspidistra (dwarf streaked) — dwarf variegated cast iron plant
• Aspidistra ebianensis — cast iron plant
• Aspidistra ebianensis 'Flowing Fountains' — cast iron plant
• Aspidistra elatior — cast iron plant
• Aspidistra elatior 'Akebono' — gold-stripe cast iron plant
• Aspidistra elatior 'Asahi' — morning sun cast iron plant
• Aspidistra elatior 'Cynthia Johnson'
• Aspidistra elatior (ex. 'Hoshi Zora') — cast iron plant
• Aspidistra elatior 'Fuji-no-mine' — Mt. Fuji cast iron plant
• Aspidistra elatior 'Hoshi Zora' — speckled cast iron plant
• Aspidistra elatior 'Ippin' — variegated cast iron plant
• Aspidistra elatior 'Lennon's Song' — cast iron plant
• Aspidistra elatior 'Morning Frost' — cast iron plant
• Aspidistra elatior 'Okame' — variegated cast iron plant
• Aspidistra elatior 'Sei Ryu Ho'
• Aspidistra elatior 'Snow Cap' — variegated cast iron plant
• Aspidistra elatior 'Stars and Stripes' — cast iron plant
• Aspidistra elatior (striped & spotted) — cast iron plant
• Aspidistra elatior 'Taihou' — cast iron plant
• Aspidistra elatior (white stripes)
• Aspidistra grandiflora 'Big Spotty' — cast iron plant
• Aspidistra (large, pale spots) — cast iron plant
• Aspidistra linearifolia 'Skinny Dippin' — cast iron plant
• Aspidistra lutea 'Mai Chau' — cast iron plant
• Aspidistra molendinacea 'Skin Tight Green Jeans' — Skin tight green jeans cast iron plant
• Aspidistra mushaensis 'Spotty Dotty' — cast iron plant
• Aspidistra oblanceifolia 'Nagoya Stars' — speckled cast iron plant
• Aspidistra omeiensis 'Come Pleated' — narrow cast iron plant
• Aspidistra omeiensis 'Jade Ribbons' — cast iron plant
• Aspidistra pulchella — cast iron plant
• Aspidistra retusa 'Nanjing Green' — cast iron plant
• Aspidistra sichuanensis 'Dappled Expectation' — cast iron plant
• Aspidistra sichuanensis 'Ghost Spots' — cast iron plant
• Aspidistra sichuanensis 'Gold Lancer' — cast iron plant
• Aspidistra sichuanensis 'Ichi Moro Ji' — Ichi Moro Ji cast iron plant
• Aspidistra sichuanensis 'Rawhide' — cast iron plant
• Aspidistra sichuanensis 'Spek-tacular' — cast iron plant
• Aspidistra sichuanensis 'Spotty' — cast iron plant
• Aspidistra (spotted) — cast iron plant
• Aspidistra sutepensis 'Doi Inthanon' — cast iron plant
• Aspidistra tonkinensis 'Hanoi Honey' — cast iron plant
• Aspidistra zongbayi 'Emeishan Angel' — cast iron plant
• Asplenium ×ebenoides — scott's spleenwort or dragontail fern
• Asplenium scolopendrium — hart's tongue fern
• Asplenium scolopendrium (Undulatum group) — hart's tongue fern
• Aster ageratoides 'Ashvi' — white mountain aster
• Aster ageratoides 'Ezo Murasaki' — mountain aster
• Aster ageratoides var. scaberulus — mountain aster
• Aster koraiensis — Korean starwort
• Aster tataricus — Tatarian aster
• Aster tataricus 'Jindai' — dwarf Tatarian aster
• Astilbe longicarpa — false goat's beard
• Astilbe rivularis var. myriantha — myriantha false goat's beard
• Athyrium
• Athyrium brevifrons — lady fern
• Athyrium filix-femina 'Cruciato-cristatum' — lady fern
• Athyrium filix-femina 'Victoriae' — lady fern
• Athyrium 'Ghost' — painted fern
• Athyrium 'Godzilla' — painted fern
• Athyrium niponicum — painted fern
• Athyrium niponicum 'Lemon Cream' — painted fern
• Athyrium niponicum var. pictum — painted fern
• Athyrium niponicum 'Thrill Seeker' — painted fern
• Athyrium otophorum — eared lady fern
• Athyrium otophorum var. okanum — eared lady fern
• Aubrieta parviflora
• Aucuba chinensis — Chinese aucuba
• Aucuba aff. chinensis — Chinese aucuba
• Aucuba japonica — Japanese aucuba
• Aucuba japonica 'Akebono' — Japanese aucuba
• Aucuba japonica 'Big Mamma' — Japanese aucuba
• Aucuba japonica var. borealis — Japanese aucuba
• Aucuba japonica var. borealis 'Honshu' — Japanese aucuba
• Aucuba japonica 'Bouza Nishiki' — Japanese aucuba
• Aucuba japonica 'Cecil-Alice' — variegated Japanese aucuba
• Aucuba japonica (Chicory form) — Japanese aucuba
• Aucuba japonica 'Clear Picture' — Japanese aucuba
• Aucuba japonica 'Clent Wortley Hall' — Japanese aucuba
• Aucuba japonica (contorted variegated) — Japanese aucuba
• Aucuba japonica 'Crotonifolia' — variegated Japanese aucuba
• Aucuba japonica 'Daikoku' — Japanese aucuba
• Aucuba japonica 'Daruma-no-shima' — Japanese aucuba
• Aucuba japonica 'Freckled-face Kid' — variegated Japanese aucuba
• Aucuba japonica 'Fructu Albo' — white-fruited Japanese aucuba
• Aucuba japonica 'Fujikawa' — Mt. Fuji Japanese aucuba
• Aucuba japonica 'Ginsu' — Japanese aucuba
• Aucuba japonica 'Gold Mound' — Japanese aucuba
• Aucuba japonica (gold sectored) — Japanese aucuba
• Aucuba japonica 'Golden Dragon' — Japanese aucuba
• Aucuba japonica 'Golden King' — Japanese aucuba
• Aucuba japonica 'Goldilocks' — Japanese aucuba
• Aucuba japonica 'Hasedera' — Japanese aucuba
• Aucuba japonica 'Hillieri' — Japanese aucuba
• Aucuba japonica 'Hosoba Hoshifu' — Japanese aucuba
• Aucuba japonica ('Hosoba Hoshifu' sport) — Japanese aucuba
• Aucuba japonica 'Jagged Edge' — Japanese aucuba
• Aucuba japonica 'Katoaba' — Japanese aucuba
• Aucuba japonica 'Ki Mi' — Japanese aucuba
• Aucuba japonica 'Koshiji Nishiki' — Japanese aucuba
• Aucuba japonica (Lane's sawtooth) — Japanese aucuba
• Aucuba japonica (large teeth) — Japanese aucuba
• Aucuba japonica 'Leucocarpa' — white-fruit Japanese aucuba
• Aucuba japonica 'Limbata' — Japanese aucuba
• Aucuba japonica 'Linda Eggins' — Japanese aucuba
• Aucuba japonica f. longifolia — narrowleaf Japanese aucuba
• Aucuba japonica 'Mangetsu Supreme' — Japanese aucuba
• Aucuba japonica 'Marmorata' — Japanese aucuba
• Aucuba japonica 'Meigetsu' — gold-stripe Japanese aucuba
• Aucuba japonica 'Mellow Mushroom' — Japanese aucuba
• Aucuba japonica 'Minuma-Ogon' — Japanese aucuba
• Aucuba japonica 'Moonbright' — Japanese aucuba
• Aucuba japonica 'Mr. Goldstrike' — Japanese aucuba
• Aucuba japonica 'Mr. Wonderful' — dwarf Japanese aucuba
• Aucuba japonica 'Natsu-no-kumo' — Japanese aucuba
• Aucuba japonica 'Night Lights' — Japanese aucuba
• Aucuba japonica 'Ōba Nakafu' — Japanese aucuba
• Aucuba japonica 'Other Daddy' — Japanese aucuba
• Aucuba japonica 'Pacman' — dwarf Japanese aucuba
• Aucuba japonica 'Peachie' — Japanese aucuba
• Aucuba japonica 'Petite Jade' — dwarf Japanese aucuba
• Aucuba japonica 'Rozannie' — Japanese aucuba
• Aucuba japonica 'Salted Pepper' — Japanese aucuba
• Aucuba japonica 'Shilpot' — Pepperpot variegated Japanese aucuba
• Aucuba japonica 'Shogun' — Japanese aucuba
• Aucuba japonica 'Shugetsu' — Japanese aucuba
• Aucuba japonica 'Speckles' — Japanese aucuba
• Aucuba japonica 'Sun Spots' — Japanese aucuba
• Aucuba japonica 'Suruga Benten' — Japanese aucuba
• Aucuba japonica 'Torafu' — Japanese aucuba
• Aucuba japonica (USNA No. 3 - female) — Japanese aucuba
• Aucuba japonica (USNA No. 5 - female) — Japanese aucuba
• Aucuba japonica 'Viridis' — Japanese aucuba
• Aucuba japonica 'White Lace' — Japanese aucuba
• Aucuba japonica (yellow fruit) — Japanese aucuba
• Aucuba omeiensis — Mt. Emei aucuba
• Aucuba omeiensis (Hirose form) — Mt. Emei aucuba
• Auranticarpa rhombifolia — diamond-leaf pittosporum

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B

• Babiana stricta
• Baccharis trimera — carqueja
• Bambusa multiplex 'Fernleaf' — dwarf clumping fernleaf bamboo
• Bambusa multiplex 'Green Giant' — hedge bamboo
• Bambusa textilis 'Kanapaha' — wong chuk
• Baptisia alba var. alba Pendula Group — white wild-indigo
• Baptisia arachnifera × B. simplicifolia — wild-indigo
• Baptisia australis (Roethling blue) — blue wild-indigo
• Baptisia ×bicolor 'Starlite' — Starlite Prairieblues false indigo
• Baptisia 'Blueberry Sundae' — Decadence false indigo
• Baptisia 'Cherries Jubilee' — false indigo
• Baptisia 'Dutch Chocolate' — false indigo
• Baptisia 'Grape Escape' — wild-indigo
• Baptisia (lavender) — false indigo
• Baptisia 'Lemon Meringue' — Decadence yellow wild-indigo
• Baptisia 'Lunar Eclipse' — false indigo
• Baptisia megacarpa — Apalachicola wild-indigo
• Baptisia (pale pink) — false indigo
• Baptisia perfoliata × B. tinctoria — hybrid indigo
• Baptisia 'Periwinkle Popsicle' — false indigo
• Baptisia 'Purple Smoke' — false indigo
• Baptisia (rock garden dwarf) — wild-indigo
• Baptisia 'Royal Candles' — false indigo
• Baptisia 'Solar Flare' — Prairieblues false indigo
• Baptisia 'Sparkling Sapphires' — false indigo
• Baptisia sphaerocarpa 'Screamin' Yellow' — false indigo
• Baptisia sulphurea — pale yellow wild-indigo
• Baptisia 'Vanilla Cream' — Decadence wild-indigo
• Bauhinia — white orchid tree
• Bauhinia forficata — Brazilian orchid tree
• Bauhinia petersiana — Zambezi coffee
• Begonia — begonia
• Begonia algaia — hardy begonia
• Begonia aff. chitoensis — hardy Taiwan begonia
• Begonia chitoensis — hardy Taiwan begonia
• Begonia circumlobata 'Chandler's Hardy' — Shangri-La hardy begonia
• Begonia 'Cotes de Castillon' — hardy begonia
• Begonia cf. coursii — begonia
• Begonia aff. cucullata — hardy begonia
• Begonia emeiensis — hardy begonia
• Begonia 'First Blush'
• Begonia formosana — hardy begonia
• Begonia formosana f. albomaculata — hardy begonia
• Begonia grandis subsp. evansiana — hardy begonia
• Begonia grandis 'Pink Teardrops' — hardy begonia
• Begonia grandis subsp. sinensis — hardy begonia
• Begonia henryi — hardy begonia
• Begonia 'Little Brother Montgomery' — hardy begonia
• Begonia 'Little Moon' — Lunar Lights begonia
• Begonia aff. palmata — hardy begonia
• Begonia pedatifida — hardy foot begonia
• Begonia 'Plum Paisley' — begonia
• Begonia 'Red China' — begonia
• Begonia aff. silletensis — hardy begonia
• Belamcanda
• Belamcanda chinensis — blackberry lily
• Belamcanda chinensis 'Gone with the Wind'
• Belamcanda chinensis 'Hello Yellow' — yellow blackberry lily
• Bellevalia paradoxa
• Berberis — barberry
• Berberis candidula — paleleaf barberry
• Berberis chinensis — Chinese barberry
• Berberis ×gladwynensis 'William Penn' — Gladwyne barberry
• Berberis henryana — Henry's barberry
• Berberis julianae 'Spring Glory' — wintergreen barberry
• Berberis lempergiana — Chinese wintergreen barberry
• Berberis ×media 'Parkjuweel' — jeweled barberry
• Berberis ×media 'Red Jewel' — barberry
• Berberis 'Ncbx1' — Sunjoy Todo barberry
• Berberis ×ottawensis 'Concorde' — dwarf Ottawa barberry
• Berberis replicata — barberry
• Berberis thunbergii var. atropurpurea 'Bailone' — Ruby Carousel purple-leaf Japanese barberry
• Berberis thunbergii var. atropurpurea 'Marshall's Upright' — upright purple-leaf Japanese barberry
• Berberis thunbergii var. atropurpurea 'Red Rocket' — upright purple-leaf Japanese barberry
• Berberis thunbergii 'Aurea' — Japanese barberry
• Berberis thunbergii 'Kelleriis' — Japanese barberry
• Berberis umbellata — Himalayan barberry
• Berberis vernae — barberry
• Berberis wilsoniae var. stapfiana — Wilson barberry
• Berberis wilsoniae var. subcaulialata — Wilson barberry
• Berberis ×wisleyensis — Wisley barberry
• Berkheya purpurea — purple berkheya
• Berlandiera lyrata — lyreleaf chocolate daisy
• Berlandiera pumila 'Chocoholic' — chocolate flower
• Berlandiera subacaulis — Florida greeneyes
• ×Beschfreda 'Purple Passion'
• Beschorneria (B. dekosteriana × B. septentrionalis) × B. septentrionalis — hybrid false red agave
• Beschorneria septentrionalis — false red agave
• Beschorneria (septentrionalis hybrid)
• Beschorneria yuccoides — amole
• Betula nigra 'Dickinson' — Northern Tribute river birch
• Betula nigra 'Heritage' — river birch
• Betula nigra 'Little King' — Fox Valley dwarf river birch
• Betula nigra 'Studetec' — Tecumseh Compact compact river birch
• Betula pumila — bog birch
• Biarum tenuifolium
• Bignonia capreolata 'Atrosanguinea' — crossvine
• Bignonia capreolata 'Helen Fredel' — crossvine
• Bignonia capreolata 'Jekyll' — crossvine
• Bignonia capreolata 'Tangerine Beauty' — crossvine
• Bischofia polycarpa — Chinese bishopwood
• Blechnum chilense
• Blepharocalyx salicifolius
• Blepharocalyx salicifolius (orange fruit)
• Blepharocalyx salicifolius (red fruit)
• Blepharocalyx salicifolius (tiny leaf)
• Blepharocalyx salicifolius (yellow)
• Bletilla 'Candles in the Wind'
• Bletilla ochracea 'Summer Sunshine' — Chinese butterfly orchid
• Bletilla striata 'Albostriata' — variegated Chinese ground orchid
• Bletilla striata 'Big Bob' — Chinese ground orchid
• Bletilla striata 'Ogon' — Chinese ground orchid
• Bletilla Yokohama gx 'Sweet Lips' — ground orchid
• Boltonia asteroides
• Bomarea acutifolia
• Bomarea × Alstroemeria
• Bomarea edulis — salsilla
• Bouteloua 'Zig Zag' — blue grama grass
• Brassaiopsis
• Brassaiopsis (cf. bodinieri)
• Brassaiopsis dumicola
• Briggsia longipes
• Brugmansia 'Betty Marshall' — white angel's trumpet
• Brugmansia 'Inca Sun' — dwarf angel's trumpet
• Brunnera 'Alexandria' — Siberian bugloss
• Brunnera macrophylla 'Emerald Mist' — variegated Siberian bugloss
• Buddleja 'Balchryeel' — Chrysalis Steel Blue butterfly bush
• Buddleja 'Balchryink' — Chrysalis Pink butterfly bush
• Buddleja 'Balchrylu' — Chrysalis Blue butterfly bush
• Buddleja 'Balchryurp' — Chrysalis Purple butterfly bush
• Buddleja 'Blue Chip Jr.' — Lo & Behold butterfly bush
• Buddleja 'Blue Chip' — Lo & Behold compact butterfly bush
• Buddleja cordata — Mexican butterfly bush
• Buddleja davidii 'Evil Ways' — golden butterfly bush
• Buddleja davidii 'Opera' — butterfly bush
• Buddleja davidii 'Potter's Purple' — butterfly bush
• Buddleja davidii 'SMNBDPT' — Pugster Pink dwarf butterfly bush
• Buddleja fallowiana — butterfly bush
• Buddleja (from Brazil) — butterfly bush
• Buddleja 'Grand Cascade' — butterfly bush
• Buddleja 'ILVOargus2' — Inspired Violet butterfly bush
• Buddleja 'Lavender Cupcake' — compact butterfly bush
• Buddleja 'Lilac Cascade' — butterfly bush
• Buddleja loricata — African butterfly bush
• Buddleja 'Miss Ruby' — compact butterfly bush
• Buddleja 'Miss Violet' — butterfly bush
• Buddleja 'Orange Scepter'
• Buddleja 'Pink Cascade' — butterfly bush
• Buddleja 'Pink Micro Chip' — Lo & Behold dwarf butterfly bush
• Buddleja 'Prince Charming' — butterfly bush
• Buddleja salviifolia — South African sage-wood
• Buddleja stachyoides — Argentine butterfly bush
• Buddleja 'Violet Cascade' — butterfly bush
• Buddleja 'Violet Eyes' — butterfly bush
• Bulbine abyssinica — bushy bulbine
• Bulbine narcissifolia
• Butia capitata — pindo palm
• Buxus balearica — Balearic boxwood
• Buxus bodinieri — Bodinier's boxwood
• Buxus 'Conrowe' — Gordo compact boxwood
• Buxus 'Glencoe' — Chicagoland Green boxwood
• Buxus 'Green Mound' — Sheridan hybrid boxwood
• Buxus 'Green Mountain' — Sheridan hybrid boxwood
• Buxus 'Green Velvet' — Sheridan hybrid boxwood
• Buxus harlandii — Harland boxwood
• Buxus henryi — Henry's boxwood
• Buxus 'Little Missy' — dwarf boxwood
• Buxus microphylla 'Compacta' — littleleaf boxwood
• Buxus microphylla 'Curly Locks' — littleleaf boxwood
• Buxus microphylla 'File Leaf' — littleleaf boxwood
• Buxus microphylla 'Franklin's Gem' — littleleaf boxwood
• Buxus microphylla 'Grace Hendrick Phillips' — littleleaf boxwood
• Buxus microphylla 'Green Pillow' — littleleaf boxwood
• Buxus microphylla 'Helen Whiting' — littleleaf boxwood
• Buxus microphylla 'Henry Hohman' — littleleaf boxwood
• Buxus microphylla var. japonica — Japanese boxwood
• Buxus microphylla var. japonica 'Borderline' — Japanese boxwood
• Buxus microphylla var. japonica 'Green Beauty' — Japanese boxwood
• Buxus microphylla var. japonica 'Grejade' — Baby Jade Japanese boxwood
• Buxus microphylla var. japonica 'Jim Stauffer' — Japanese boxwood
• Buxus microphylla var. japonica 'Morris Dwarf' — Japanese boxwood
• Buxus microphylla var. japonica 'Morris Midget' — Japanese boxwood
• Buxus microphylla var. japonica 'Unraveled' — Japanese boxwood
• Buxus microphylla 'John Baldwin' — littleleaf boxwood
• Buxus microphylla 'Miss Jones' — littleleaf boxwood
• Buxus microphylla 'Peergold' — Golden Dream littleleaf boxwood
• Buxus microphylla var. riparia — littleleaf boxwood
• Buxus microphylla 'Sunnyside' — littleleaf boxwood
• Buxus 'Prostrate3' — Flat-tery dwarf boxwood
• Buxus sempervirens — common boxwood
• Buxus sempervirens 'Agram' — common boxwood
• Buxus sempervirens 'Angel's Gift' — common boxwood
• Buxus sempervirens 'Angustifolia' — common boxwood
• Buxus sempervirens 'Arctic Emerald' — common boxwood
• Buxus sempervirens 'Argenteo-variegata' — common boxwood
• Buxus sempervirens 'Aristocrat' — common boxwood
• Buxus sempervirens 'Aurea Pendula' — common boxwood
• Buxus sempervirens 'Aureo-variegata' — common boxwood
• Buxus sempervirens 'Belleville' — common boxwood
• Buxus sempervirens 'Berlin' — common boxwood
• Buxus sempervirens 'Decussata' — common boxwood
• Buxus sempervirens 'Dee Runk' — common boxwood
• Buxus sempervirens 'Edgar Anderson' — common boxwood
• Buxus sempervirens 'Emerald Gumdrop' — common boxwood
• Buxus sempervirens 'Fastigiata' — common boxwood
• Buxus sempervirens 'Glauca' — common boxwood
• Buxus sempervirens 'Handsworthii' — common boxwood
• Buxus sempervirens 'Henry Shaw' — common boxwood
• Buxus sempervirens 'Highlander' — common boxwood
• Buxus sempervirens 'Inglis' — common boxwood
• Buxus sempervirens 'Latifolia Macrophylla' — common boxwood
• Buxus sempervirens 'Latifolia Maculata' — common boxwood
• Buxus sempervirens 'Memorial' — common boxwood
• Buxus sempervirens 'Myosotidifolia' — common boxwood
• Buxus sempervirens 'Myrtifolia' — common boxwood
• Buxus sempervirens 'Northland' — common boxwood
• Buxus sempervirens 'Pendula' — common boxwood
• Buxus sempervirens 'Ponteyi' — common boxwood
• Buxus sempervirens 'Pullman' — common boxwood
• Buxus sempervirens 'Pyramidalis' — common boxwood
• Buxus sempervirens 'Rosmarinifolius' — common boxwood
• Buxus sempervirens 'Rotundifolia' — common boxwood
• Buxus sempervirens 'Salicifolia' — common boxwood
• Buxus sempervirens 'Ste. Geneve' — common boxwood
• Buxus sempervirens 'Suffruticosa' — common boxwood
• Buxus sempervirens 'Valentine' — common boxwood
• Buxus sempervirens 'Vardar Valley' — common boxwood
• Buxus sempervirens 'Wanford Page' — common boxwood
• Buxus sempervirens 'Welleri' — common boxwood
• Buxus sempervirens 'Woodland' — common boxwood
• Buxus sinica — Korean boxwood
• Buxus sinica var. insularis — Korean boxwood
• Buxus sinica var. insularis 'Justin Brouwers' — Korean boxwood
• Buxus sinica var. insularis 'Pincushion' — Korean boxwood
• Buxus sinica var. insularis (spreading dwarf) — Korean boxwood
• Buxus sinica var. insularis 'Sunburst' — Korean boxwood
• Buxus sinica var. insularis 'Tall Boy' — Korean boxwood
• Buxus sinica var. insularis 'Wintergreen' — Korean boxwood
• Buxus sinica 'Kinsha' — Korean boxwood
• Buxus wallichiana — Himalayan boxwood

---

C

• Caesalpinia gilliesii — desert bird-of-paradise
• Caladium 'Celebration'
• Calamagrostis ×acutiflora 'Avalanche' — feather reed grass
• Calamagrostis arundinacea — Korean feather reed grass
• Calamintha 'Marvelette Blue' — calamint
• Calibrachoa — million bells
• Calibrachoa 'KLECA22915'
• Calibrachoa — Superbells Blue Moon Punch calibrachoa
• Calibrachoa
• Calibrachoa
• Calibrachoa
• Callicarpa — beautyberry
• Callicarpa acuminata — Mexican beautyberry
• Callicarpa americana 'Berries and Cream' — beautyberry
• Callicarpa americana 'Buddy's Dwarf' — beautyberry
• Callicarpa americana var. lactea — beautyberry
• Callicarpa americana 'Welch's Pink' — beautyberry
• Callicarpa bodinieri var. giraldii 'Profusion' — Bodinier beautyberry
• Callicarpa brevipes — beautyberry
• Callicarpa 'Cardinal' — beautyberry
• Callicarpa chejuensis — Korean beautyberry
• Callicarpa dichotoma 'Issai' — purple beautyberry
• Callicarpa dichotoma 'Spring Gold' — purple beautyberry
• Callicarpa formosana — Formosan beautyberry
• Callicarpa japonica — Japanese beautyberry
• Callicarpa japonica 'Heavy Berry' — Japanese beautyberry
• Callicarpa japonica 'Inagali' — variegated Japanese beautyberry
• Callicarpa japonica var. luxurians — Japanese beautyberry
• Callicarpa japonica 'Shiji Murasaki' — Wine Spritzer beautyberry
• Callicarpa kwangtungensis — Guangdong beautyberry
• Callicarpa aff. luteopunctata (white fruited)
• Callicarpa macrophylla — bigleaf beautyberry
• Callicarpa membranacea
• Callicarpa 'Moore Purple' — beautyberry
• Callicarpa 'NCCX1' — Purple Pearls beautyberry
• Callicarpa oshimensis — beautyberry
• Callicarpa rubella — beautyberry
• Callicarpa rubella var. rubella — beautyberry
• Callirhoe involucrata — winecup
• Callistemon brachyandrus — prickly bottlebrush
• Callistemon pityoides — alpine bottlebrush
• Callistemon pityoides 'Mt. Kosciuszko' — alpine bottlebrush
• Callistemon 'Woodlander's Hardy' — bottlebrush
• Calocedrus decurrens 'Berrima Gold' — California incense-cedar
• Calocedrus formosana — Formosan incense-cedar
• Calocedrus macrolepis var. macrolepis — Chinese incense-cedar
• Calochortus 'Cupido'
• Calopogon tuberosus — tuberous grass pink orchid
• Calycanthus 'Aphrodite' — hybrid sweetshrub
• Calycanthus chinensis — allspice
• Calycanthus floridus 'Athens' — yellow common sweetshrub
• Calycanthus floridus var. glaucus — eastern sweetshrub
• Calycanthus floridus var. glaucus 'Burgundy Spice' — eastern sweetshrub
• Calycanthus floridus var. glaucus 'Purpureus' — eastern sweetshrub
• Calycanthus floridus 'Michael Lindsay' — common sweetshrub
• Calycanthus occidentalis — western sweetshrub
• Calycanthus ×raulstonii 'Dark Secret' — raulston allspice
• Calycanthus ×raulstonii 'Hartlage Wine' — Raulston allspice
• Calycanthus 'Venus' — hybrid sweetshrub
• Camassia 'Blue Candle'
• Camassia cusickii — Cussick's camas
• Camassia cusickii 'Zwanenburg'
• Camassia leichtlinii 'Alba' — great camas
• Camassia leichtlinii 'Sacajawea' — great camas
• Camassia leichtlinii 'Semiplena' — great camas
• Camassia quamash — small camas
• Camassia quamash 'Blue Melody' — small camas
• Camellia 'Arctic Dawn'
• Camellia 'Autumn Spirit' — sasanqua camellia
• Camellia brevistyla × C. sasanqua 'Green 09-003' — hybrid camellia
• Camellia brevistyla f. rubida — short-styled camellia
• Camellia 'Carolina Moonmist' — Cochran camellia
• Camellia caudata — long-tailed tea
• Camellia 'Cinnamon Cindy' — Ackerman camellia
• Camellia 'Crimson Candles' — camellia
• Camellia fluviatilis — riverine camellia
• Camellia fraterna — small-flowered camellia
• Camellia 'Green 98-013'
• Camellia ×hiemalis 'Dazzler' — camellia
• Camellia ×hiemalis 'Green's Blues' — camellia
• Camellia ×hiemalis 'Rose of Autumn' — camellia
• Camellia ×hiemalis 'Shishi Gashira' — camellia
• Camellia japonica — Japanese camellia
• Camellia japonica 'Anacostia' — Japanese camellia
• Camellia japonica 'April Dawn' — Japanese camellia
• Camellia japonica 'April Tryst' — Japanese camellia
• Camellia japonica 'Benten-kagura' — Japanese camellia
• Camellia japonica 'Benten-shiratama' — Japanese camellia
• Camellia japonica × C. cuspidata
• Camellia japonica 'Curly Lady' — Japanese camellia
• Camellia japonica 'Debutante Benten' — Japanese camellia
• Camellia japonica 'Dr. J.C. Raulston' — camellia
• Camellia japonica 'Fire Falls' — camellia
• Camellia japonica (fishtail, white w/ red stripes) — Japanese camellia
• Camellia japonica 'Geoff Hamilton' — Japanese camellia
• Camellia japonica 'Hokkaido Red' — Japanese camellia
• Camellia japonica 'Jacks' — Japanese camellia
• Camellia japonica 'Kifukurin-benikarako' — Japanese camellia
• Camellia japonica (Korean germplasm) — Japanese camellia
• Camellia japonica 'Kujaku Tsubaki' — Japanese camellia
• Camellia japonica 'Kuro Delight' — Japanese camellia
• Camellia japonica 'Nuccio's Cameo' — Japanese camellia
• Camellia japonica 'Professor Charles S. Sargent' — Japanese camellia
• Camellia japonica 'Quercifolia' — fish-tail Japanese camellia
• Camellia japonica 'Reg Ragland' — Japanese camellia
• Camellia japonica 'Shirobotan' — Japanese camellia
• Camellia japonica 'Tama Peacock' — Japanese camellia
• Camellia japonica (variegated, pink double) — Japanese camellia
• Camellia japonica 'Violet Femme' — Japanese camellia
• Camellia japonica 'White By The Gate' — Japanese camellia
• Camellia japonica 'White Mermaid' — fish-tail Japanese camellia
• Camellia japonica 'White Perfection' — Japanese camellia
• Camellia 'Kikuzuki' — camellia
• Camellia kissii (pink)
• Camellia 'Kokin Gold' — camellia
• Camellia 'Koto-no-kaori' — camellia
• Camellia 'Londontowne Blush' — camellia
• Camellia oleifera — tea-oil camellia
• Camellia (oleifera hybrid, weeping)
• Camellia 'Robiraki' — Summer Beauty camellia
• Camellia (rosaeflora hybrid)
• Camellia rusticana 'Ai-no-izumi' — snow camellia
• Camellia sasanqua 'Autumn Rocket' — sasanqua camellia
• Camellia sasanqua 'Autumn Sentinel' — sasanqua camellia
• Camellia sasanqua 'Fuji-no-yuki' — sasanqua camellia
• Camellia sasanqua 'Green 01-006' — October Magic Carpet sasanqua camellia
• Camellia sasanqua 'Green 02-003' — October Magic Ruby sasanqua camellia
• Camellia sasanqua 'Green 94-035' — October Magic Orchid camellia
• Camellia sasanqua 'Green 99-031' — Susy Dirr sasanqua camellia
• Camellia sasanqua 'Hanajiman' — sasanqua camellia
• Camellia sasanqua 'Marie Kirk' — sasanqua camellia
• Camellia sasanqua 'Ogonba' — sasanqua camellia
• Camellia sasanqua 'Reverend Ida' — sasanqua camellia
• Camellia sasanqua 'Rosy Pillar' — sasanqua camellia
• Camellia sasanqua 'Sarrel' — sasanqua camellia
• Camellia sasanqua 'Seventh Desire' — sasanqua camellia
• Camellia sasanqua 'TDN 1116' — Bella Rouge / Hot Flash sasanqua camellia
• Camellia sasanqua 'William Lanier Hunt' — sasanqua camellia
• Camellia sasanqua 'Yuletide' — sasanqua camellia
• Camellia sasanqua ('Yuletide' variegated sport) — sasanqua camellia
• Camellia sinensis — tea camellia
• Camellia sinensis 'Christine's Choice' — tea camellia
• Camellia sinensis 'O Kuntze' — tea camellia
• Camellia sinensis 'Silver Dust' — tea camellia
• Camellia sinensis 'Unryu' — tea camellia
• Camellia 'Snow Blizzard' — camellia
• Camellia 'Snow Flurry' — Ackerman camellia
• Camellia 'Sweet Jane' — camellia
• Camellia 'Tiny Princess' — camellia
• Camellia aff. transarisanensis — snowbells camellia
• Camellia transnokoensis — Mount Noko camellia
• Camellia tsaii 'Erina' — cascading camellia
• Camellia ×vernalis 'Christmas Candy' — camellia
• Camellia ×vernalis 'Egao Corkscrew' — vernal camellia
• Camellia ×vernalis 'Egao Spring Snowfall' — vernal camellia
• Camellia ×vernalis 'Ginryu' — vernal camellia
• Camellia ×vernalis 'Hiryû' — vernal camellia
• Camellia ×vernalis 'Shibori Egao' — camellia
• Camellia ×williamsii 'Golden Spangles' — camellia
• Camellia ×williamsii 'Mary Christian' — Williamsii camellia
• Camellia 'Winter's Charm' — Ackerman camellia
• Camellia 'Winter's Dream' — Ackerman camellia
• Camellia 'Winter's Star' — Ackerman camellia
• Camellia 'Winter's Star Light' — camellia
• Camellia 'Wirlinga Bride' — camellia
• Camellia 'Yoimachi' — camellia
• Camellia yuhsiensis
• Camellia 'Yume' — camellia
• Campanula alliariifolia — ivory bells
• Campanula bononiensis — European bellflower
• Campanula cervicaria
• Campanula cretica
• Campanula glomerata — clustered bellflower
• Campanula grossekii
• Campanula petrophila — bellflower
• Campanula primulifolia — Spanish bellflower
• Campanula takesimana — Korean bellflower
• Campanula takesimana 'Elizabeth' — Korean bellflower
• Campsis radicans 'Apricot' — trumpet vine
• Campsis radicans (Bahama yellow) — trumpet vine
• Campsis radicans 'Flava' — trumpet vine
• Campsis radicans 'Stromboli' — Atomic Red red trumpet vine
• Canna — canna lily
• Canna 'African Sunset' — canna lily
• Canna 'Australia' — canna lily
• Canna — CannaSol Happy Cleo canna lily
• Canna 'Cleopatra' — canna lily
• Canna compacta × C. patens — canna lily
• Canna 'Constitution' — canna lily
• Canna 'Flaming Kabobs' — canna lily
• Canna gigantea — canna lily
• Canna glauca (ex. peach)
• Canna indica — canna lily
• Canna 'Mary's Gold' — canna lily
• Canna musifolia — banana canna
• Canna occidentalis — canna lily
• Canna 'Orange Punch' — canna lily
• Canna 'Pacific Beauty' — canna lily
• Canna 'Panache' — canna lily
• Canna patens — canna lily
• Canna (peach) — canna lily
• Canna 'Red Wine' — canna lily
• Canna 'Striata' — canna lily
• Canna 'Thai One On' — canna lily
• Canna 'Valentine' — canna lily
• Canna (variegated) — canna lily
• Canna 'Warszewiczii' — canna lily
• Canna (yellow seedling)
• Caragana microphylla 'Mongolian Silver Spires'
• Cardamine bulbosa 'Snow Showers' — toothwort
• Cardamine diphylla — toothwort
• Cardamine diphylla 'Bama Jama' — toothwort
• Cardamine douglassii 'Southern Lady'
• Cardamine quinquefolia
• Cardiocrinum cathayanum — Himalayan lily
• Carex amphibola — eastern narrowleaf sedge
• Carex annectens — sedge
• Carex berggrenii — Berggren's sedge
• Carex cherokeensis — Cherokee sedge
• Carex comans — Amazon Mist New Zealand hair sedge
• Carex comans 'Olive Oil'
• Carex divulsa — grassland sedge
• Carex 'ET CRX 904' — Moon Falls sedge
• Carex 'ET CRX01' — Feather Falls variegated sedge
• Carex 'ET CRX02' — Ribbon Falls sedge
• Carex flacca — blue green sedge
• Carex flacca 'Blue Zinger' — blue green sedge
• Carex flacca 'Mini' — blue green sedge
• Carex flaccosperma — blue wood sedge
• Carex frankii — Frank's sedge
• Carex grayi — Gray's sedge
• Carex laxiculmis 'Hobb' — Bunny Blue creeping sedge
• Carex lupulina — hop sedge
• Carex morrowii 'Silver Sceptre' — variegated Japanese sedge
• Carex muskingumensis 'Ice Fountains' — palm sedge
• Carex oshimensis 'Carfit01' — Evercolor Everest white variegated Japanese sedge
• Carex oshimensis 'Evergold' — Japanese sedge
• Carex oshimensis 'Everillo' — Evercolor Japanese sedge
• Carex oshimensis 'Everlime' — EverColor Japanese sedge
• Carex oshimensis 'Eversheen' — EverColor variegated Japanese sedge
• Carex pendula — pendulous sedge
• Carex phyllocephala 'Sparkler' — carnation grass
• Carex plantaginea — wide-leafed sedge
• Carex radiata 'Halifax' — eastern star sedge
• Carex scaposa — cherry blossom sedge
• Carex socialis 'Coahoma' — sedge
• Carex squarrosa — squarrose sedge
• Carex stricta — tussock sedge
• Carex testacea 'Prairie Fire' — New Zealand sedge
• Carlina acaulis subsp. caulescens — weather thistle
• Carpinus — hornbeam
• Carpinus betulus 'Columnaris' — dwarf columnar European hornbeam
• Carpinus betulus 'Dervaesii' — weeping Vienna hornbeam
• Carpinus betulus 'Pendula' — weeping European hornbeam
• Carpinus caroliniana 'Draves Iron Cascade' — American hornbeam
• Carpinus caroliniana 'Stowe Cascade' — American hornbeam
• Carpinus caroliniana 'Uxbridge' — Rising Fire American hornbeam
• Carpinus cordata — heart-leaf hornbeam
• Carpinus henryana var. oblongifolia
• Carpinus henryana var. simplicidentata — hornbeam
• Carpinus japonica — Japanese hornbeam
• Carpinus japonica 'Silver Lace' — Japanese hornbeam
• Carpinus kawakamii — hornbeam
• Carpinus laxiflora — loose-flower hornbeam
• Carpinus omeiensis — Mt. Omei hornbeam
• Carpinus orientalis — oriental hornbeam
• Carpinus tschonoskii — Yeddo hornbeam
• Carpinus turczaninovii — Korean ironwood
• Carpinus turczaninowii — Tatarian hornbeam
• Carpinus viminea — hornbeam
• Carrierea calycina — goat horn tree
• Cartrema americana 'Woodlanders Amanda' — variegated wild olive
• Caryopteris ×clandonensis 'Blauer Splatz' — Sapphire Surf bluebeard
• Caryopteris ×clandonensis 'Emerald Crest'
• Caryopteris ×clandonensis 'Gold Crest' — bluebeard
• Caryopteris ×clandonensis 'White Surprise' — bluebeard
• Caryopteris incana — Pavilion Pink bluebeard
• Caryopteris incana (prostrate)
• Castanea henryi — Chinese chinquapin
• Castanopsis cuspidata — Japanese chinquapin
• Castanopsis delavayi — Delavay's chinquapin
• Castanopsis sclerophylla — Chinese tan-bark oak
• Catalpa bignonioides 'Aurea' — gold-leaf catalpa
• Catalpa (Ecos strain) — catalpa
• Catalpa fargesii — Chinese catalpa
• Catalpa speciosa 'Hiawatha 2' — Heartland northern catalpa
• Ceanothus ×delileanus 'Topaze' — California lilac
• Ceanothus ×delilianus 'Henri Desfossé' — hybrid ceanothus
• Cedrus atlantica 'Argentea Fastigiata' — columnar blue Atlas cedar
• Cedrus brevifolia
• Cedrus deodara 'Compacta' — compact Deodar cedar
• Cedrus deodara 'Electra' — Deodar cedar
• Cedrus deodara 'Feelin' Blue' — Deodar cedar
• Cedrus deodara 'Gemstone' — Deodar cedar
• Cedrus deodara 'Glacier Blue' — dwarf Deodar cedar
• Cedrus deodara 'Monkinn' — Feelin' Sunny deodor cedar
• Cedrus deodara 'Pendula' — weeping Deodar cedar
• Cedrus deodara 'Prostrate Beauty' — prostrate Deodar cedar
• Cedrus deodara 'Raywood's Contorted' — Deodar cedar
• Cedrus deodara 'Silver' — Deodar cedar
• Cedrus libani 'Katere'
• Ceiba speciosa — silk-floss tree
• Celtis edulis — hackberry
• Celtis julianae — Julian hackberry
• Celtis koraiensis — Korean hackberry
• Celtis sinensis — Japanese hackberry
• Celtis sinensis 'Green Cascade' — weeping Chinese hackberry
• Celtis tenuifolia — dwarf hackberry
• Centaurea ragusina 'Balcentsirl' — Silver Swirl dusty miller
• Cephalanthus occidentalis 'Bailoptics' — First Editions Fiber Optics buttonbush
• Cephalanthus occidentalis 'Just Deserts' — buttonbush
• Cephalotaxus — plum yew
• Cephalotaxus fortunei — Chinese plum yew
• Cephalotaxus fortunei var. alpina — alpine Chinese plum yew
• Cephalotaxus harringtonia — Japanese plum yew
• Cephalotaxus harringtonia 'Fastigiata' — upright Japanese plum yew
• Cephalotaxus harringtonia 'Fritz Huber' — dwarf Japanese plum yew
• Cephalotaxus harringtonia 'Gnome' — dwarf Harrington plum yew
• Cephalotaxus harringtonia 'H.W. Sargent' — dwarf Japanese plum yew
• Cephalotaxus harringtonia var. koreana — Korean plum yew
• Cephalotaxus harringtonia var. koreana 'Korean Gold' — Korean plum yew
• Cephalotaxus harringtonia 'Mary Fleming' — dwarf Japanese plum yew
• Cephalotaxus harringtonia 'Pedunculata' — Harrington plum yew
• Cephalotaxus harringtonia 'Plania' (Yewtopia) — Japanese plum yew
• Cephalotaxus harringtonia 'Watnong' — Japanese plum yew
• Cephalotaxus lanceolata — Yunnan plum yew
• Cephalotaxus sinensis — Chinese plum yew
• Cephalotaxus sinensis (Peckerwood dense form) — Chinese plum yew
• Ceratostigma griffithii — Griffith's blue leadwort
• Ceratostigma griffithii 'Snow Flurries' — white Griffith's leadwort
• Ceratostigma willmottianum — Chinese plumbago
• Cercidiphyllum japonicum — katsura tree
• Cercidiphyllum japonicum 'Morioka Weeping' — katsura tree
• Cercidiphyllum japonicum 'Peach' — katsura
• Cercidiphyllum japonicum (variegated)
• Cercis — redbud
• Cercis 'Big John' — hybrid redbud
• Cercis canadensis 'Ace of Hearts' — eastern redbud
• Cercis canadensis f. alba — eastern redbud
• Cercis canadensis 'Alley Cat' — eastern redbud
• Cercis canadensis 'Appalachian Red' — eastern redbud
• Cercis canadensis 'Cascading Hearts' — eastern redbud
• Cercis canadensis 'Crosswicks Red' — eastern redbud
• Cercis canadensis 'Flame' — eastern redbud
• Cercis canadensis 'Gold Crown' — eastern redbud
• Cercis canadensis 'Greswan' — Burgundy Hearts eastern redbud
• Cercis canadensis 'Hearts of Gold' — eastern redbud
• Cercis canadensis 'JN15' — Rise 'N Shine eastern redbud
• Cercis canadensis 'JN16' — Black Pearl eastern redbud
• Cercis canadensis 'JN7' — Summers Tower eastern redbud
• Cercis canadensis (large leaf form) — eastern redbud
• Cercis canadensis var. mexicana 'Bonita' — Mexican redbud
• Cercis canadensis var. mexicana 'Sanderson' — Mexican redbud
• Cercis canadensis 'NC2014-10' — Gilded Hearts eastern redbud
• Cercis canadensis 'NC2015-12' — Golden Falls eastern redbud
• Cercis canadensis 'NC2016-2' — Flame Thrower eastern redbud
• Cercis canadensis 'NC2017-6' — Garden Gems Amethyst eastern redbud
• Cercis canadensis 'NC2017-9' — Garden Gems Emerald Falls eastern redbud
• Cercis canadensis 'Pink Heartbreaker' — eastern redbud
• Cercis canadensis 'Pink Pom Poms' — eastern redbud
• Cercis canadensis 'Royal White' — eastern redbud
• Cercis canadensis 'Ruby Falls' — eastern redbud
• Cercis canadensis 'Seirb' — Zig Zag eastern redbud
• Cercis canadensis 'Silver Cloud' — eastern redbud
• Cercis canadensis 'Sjo' — Cotton Candy eastern redbud
• Cercis canadensis var. texensis 'Oklahoma' — dark flowered Texas redbud
• Cercis canadensis var. texensis ('Oklahoma' variegated) — Texas redbud
• Cercis canadensis var. texensis 'Traveller' — weeping Texas redbud
• Cercis canadensis 'Tom Thumb' — eastern redbud
• Cercis canadensis 'Vanilla Twist' — eastern redbud
• Cercis canadensis 'Whitewater' — eastern redbud
• Cercis chinensis 'Celestial Plum' — smooth redbud
• Cercis chinensis 'Don Egolf' — Chinese redbud
• Cercis chinensis (dwarf form) — dwarf Chinese redbud
• Cercis chinensis 'Genpei' — Chinese redbud
• Cercis chinensis 'Kay's Early Hope' — Chinese redbud
• Cercis chinensis 'Reznicek' — dwarf Chinese redbud
• Cercis chinensis 'Shibamichi Red' — Chinese redbud
• Cercis chinensis 'Shirobana' — white Chinese redbud
• Cercis chinensis 'Shishiba' — contorted Chinese redbud
• Cercis chingii — Ching's redbud
• Cercis chuniana — Chun's redbud
• Cercis griffithii — Afghan redbud
• Cercis (hybrid)
• Cercis (hybrid no. 1)
• Cercis (hybrid no. 3) — redbud
• Cercis 'NC2021-2'
• Cercis racemosa — chain-flowered redbud
• Cercis racemosa (cold hardy form) — chain-flowered redbud
• Cercis 'Wavecrest' — redbud
• Cestrum corymbosum 'WNCESCORYEL' — Juiced Orange jessamine
• Cestrum 'Lemon Peel'
• Cestrum 'Orange Peel' — jessamine
• Cestrum parqui — willow-leaved jessamine
• Chaenomeles 'Dragon's Blood' — Japanese flowering quince
• Chaenomeles japonica 'Chojuraku' — Japanese flowering quince
• Chaenomeles 'NCCS4' — Double Take Peach Japanese flowering quince
• Chaenomeles 'Orange Storm' — Double Take hybrid flowering quince
• Chaenomeles 'Pink Storm' — Double Take Pink flowering quince
• Chaenomeles 'Scarff's Red' — flowering quince
• Chaenomeles 'Scarlet Storm' (Double Take) — flowering quince
• Chaenomeles speciosa — flowering quince
• Chaenomeles speciosa 'Contorta' — contorted flowering quince
• Chaenomeles speciosa 'Mt. Fuji' — flowering quince
• Chaenomeles speciosa 'Orange Delight' — flowering quince
• Chaenomeles ×superba 'Jet Trail' — flowering quince
• Chaenomeles ×superba 'Mandarin' — hybrid flowering quince
• Chaenomeles ×superba 'Texas Scarlet' — hybrid flowering quince
• Chaetogastra gracilis
• Chamaecyparis lawsoniana 'Filip's Golden Tears' — Lawson's cypress
• Chamaecyparis lawsoniana 'Imbricata Pendula' — Lawson's cypress
• Chamaecyparis obtusa 'Aurea' — hinoki falsecypress
• Chamaecyparis obtusa 'Confucius' — hinoki falsecypress
• Chamaecyparis obtusa 'Flabelliformis' — hinoki falsecypress
• Chamaecyparis obtusa 'Gracilis' — hinoki falsecypress
• Chamaecyparis obtusa 'Green Cushion' — hinoki falsecypress
• Chamaecyparis obtusa 'Kosteri' — hinoki falsecypress
• Chamaecyparis obtusa 'Leprechaun' — hinoki falsecypress
• Chamaecyparis obtusa 'Lougheed' — hinoki falsecypress
• Chamaecyparis obtusa 'Nana Gracilis' — hinoki falsecypress
• Chamaecyparis obtusa 'Oregon Crested' — hinoki falsecypress
• Chamaecyparis obtusa 'Special Variegated' — hinoki falsecypress
• Chamaecyparis obtusa 'Vokel's Upright' — hinoki falsecypress
• Chamaecyparis pisifera 'Cream Ball' — sawara cypress
• Chamaecyparis pisifera 'Filifera' — sawara cypress
• Chamaecyparis pisifera 'Filip's Happy Day' — sawara cypress
• Chamaecyparis pisifera 'Gekko' — sawara cypress
• Chamaecyparis pisifera 'Golddust' — sawara cypress
• Chamaecyparis pisifera 'Juniperoides' — sawara cypress
• Chamaecyparis pisifera 'Tsukumo' — sawara cypress
• Chamaecyparis thyoides 'Ericoides' — Atlantic white-cedar
• Chamaecyparis thyoides var. henryae 'Red Velvet' — Panhandle white-cedar
• Chamaecyparis thyoides 'Top Point' — Atlantic white-cedar
• Chamaecyparis thyoides 'Yankee Blue' — Atlantic white-cedar
• Chasmanthium latifolium — river oats
• Chasmatophyllum musculinum
• Chelone glabra 'Black Ace' — white turtlehead
• Chelonopsis moschata — Japanese turtlehead
• Chelonopsis 'Stonewall Pink' — Japanese turtlehead
• Chilopsis linearis 'Angel White' — desert willow
• Chilopsis linearis 'Bubba' — desert willow
• Chimonanthus nitens — evergreen chimonanthus
• Chimonanthus praecox — wintersweet
• Chimonanthus praecox 'Luteus' — wintersweet
• Chimonanthus zhejiangensis — evergreen wintersweet
• Chionanthus pygmaeus — pygmy fringetree
• Chionanthus retusus — Chinese fringe tree
• Chionanthus retusus 'China Doll' — Chinese fringe tree
• Chionanthus retusus 'China Snow' — Chinese fringe tree
• Chionanthus retusus 'Glenda'
• Chionanthus retusus 'Ivory Tower' — columnar Chinese fringe tree
• Chionanthus retusus 'Tokyo Tower' — Chinese fringe tree
• Chionanthus retusus 'Yadkin Creeper' — weeping Chinese fringetree
• Chionanthus virginicus 'Little Leslie' — American fringe tree
• Chionanthus virginicus 'White Knight' — American fringe tree
• Chionodoxa forbesii
• Chionodoxa forbesii 'Pink Giant'
• Chionodoxa luciliae
• Chionodoxa luciliae 'Alba' — glory of the snow alba
• Chionodoxa luciliae 'Violet Beauty'
• Chionodoxa sardensis — glory of the snow
• ×Chitalpa 'NCXC1' — El Niño desert orchid
• ×Chitalpa tashkentensis 'Morning Cloud' — chitalpa
• ×Chitalpa tashkentensis 'Strawberry Moon'
• Chlidanthus fragrans
• Chloranthus erectus — upright chloranthus
• Chloranthus japonicus
• Chloranthus serratus
• Chloranthus sessilifolius var. austrosinensis
• Chloranthus sessilifolius 'Get Shorty' — sessile-leaf chloranthus
• Chlorophytum — spider plant
• Chlorophytum cf. bowkeri — African snake lily
• Chlorophytum capense — bracketplant
• Chlorophytum nepalense
• Chlorophytum saundersiae — weeping spider plant
• Chlorophytum sparsiflorum
• Choerospondias axillaris — Nepali hog plum
• Choisya ×dewitteana 'Limo' — Goldfingers Mexican orange
• Chrysactinia mexicana — damianita
• Chrysanthemum 'Brandywine Sunset' — hardy chrysanthemum
• Chrysanthemum 'Cathy's Rust' — garden chrysanthemum
• Chrysanthemum 'Country Girl' — garden chrysanthemum
• Chrysanthemum 'Crystal Falls' — garden chrysanthemum
• Chrysanthemum (double cream) — garden chrysanthemum
• Chrysanthemum (Elizabeth Lawrence pink) — garden chrysanthemum
• Chrysanthemum 'Firefall' — garden chrysanthemum
• Chrysanthemum 'Gethsemane Moonlight' — garden chrysanthemum
• Chrysanthemum 'Golden Lida Thomas' — garden chrysanthemum
• Chrysanthemum 'Icicles' — garden chrysanthemum
• Chrysanthemum indicum — Apple Valley garden chrysanthemum
• Chrysanthemum 'Kurume' — garden chrysanthemum
• Chrysanthemum 'Lavender Lady' — garden chrysanthemum
• Chrysanthemum 'Maryl' — garden chrysanthemum
• Chrysanthemum 'Miss Gloria's Thanksgiving Day' — garden chrysanthemum
• Chrysanthemum 'Mrs. Robinson' — garden chrysanthemum
• Chrysanthemum 'Norton Vic' — garden chrysanthemum
• Chrysanthemum (pink cascading) — garden chrysanthemum
• Chrysanthemum (rusty orange, large flowered cascading) — garden chrysanthemum
• Chrysanthemum (rusty orange, small flowered cascading) — garden chrysanthemum
• Chrysanthemum 'Sheffield Pink' — garden chrysanthemum
• Chrysanthemum (single red) — garden chrysanthemum
• Chrysanthemum 'Venus' — garden chrysanthemum
• Chrysanthemum zawadzkii subsp. zawadzkii 'Apricot' — Weyrich's chrysanthemum
• Chrysogonum virginianum 'Allen Bush' — green-and-gold
• Chrysogonum virginianum 'Eco Lacquered Spider' — green-and-gold
• Chrysogonum virginianum 'Pierre' — green-and-gold
• Chrysojasminum parkeri — Parker's jasmine
• Cinnamomum chekiangense — camphor tree
• Cinnamomum japonicum — Japanese camphor
• Cinnamomum jensenianum
• Cinnamomum mairei
• Cinnamomum (aff. porrectum)
• Cinnamomum wilsonii — Wilson's camphor-tree
• Cissus trifoliata — marine ivy
• Cistus 'Mickie' — variegated rockrose
• Cistus monspeliensis — Montpellier rockrose
• Cistus symphytifolius
• Citrus cavaleriei — Ichang lemon
• Citrus japonica — round kumquat
• Citrus (trifoliata × auranticum) — trifoliate orange
• Citrus trifoliata 'Flying Dragon' — trifoliate orange
• Citrus trifoliata (gold contorted) — trifoliate orange
• Citrus (trifoliata × paradisi 'Dunstan') — trifoliate orange
• Citrus trifoliata 'Snow Dragon' — trifoliate orange
• Cladrastis kentukea 'Perkins Pink' — pink flowered American yellowwood
• Cladrastis platycarpa — Japanese yellowwood
• Cladrastis sinensis 'China Rose' — pink Chinese yellowwood
• Clara ophiopogonoides
• Clematis
• Clematis armandii — evergreen clematis
• Clematis cirrhosa — winter clematis
• Clematis 'Cleminov 51' — Sapphire Indigo clematis
• Clematis 'Duchess of Edinburgh' — white flowering clematis
• Clematis 'Fireworks' — clematis
• Clematis fremontii — Fremont's leather flower
• Clematis fruticosa 'Mongolian Gold' — clematis
• Clematis integrifolia 'Blue Boy' — clematis
• Clematis 'Kilian Donahue' — reblooming clematis
• Clematis ladakhiana
• Clematis 'Omoshiro' — clematis
• Clematis 'Rain Dance' — bush clematis
• Clematis recta 'Lime Close' — Serious Black clematis
• Clematis reticulata × C. texensis — clematis
• Clematis 'Rooguchi' — clematis
• Clematis songorica — clematis
• Clematis 'Stand by Me' — clematis
• Clematis 'Stand by Me Pink' — bush clematis
• Clematis 'Sweet Summer Love' — clematis
• Clematis texensis (re-blooming form) — clematis
• Clematis tibetana — Tibetan clematis
• Clematis tibetana var. vernayi
• Clematis 'Violet Stardust' — bush clematis
• Clematis 'Vitiwester' — Burning Love clematis
• Clerodendrum wallichii — bridal-veil glorybower
• Clethra acuminata — mountain pepperbush
• Clethra alnifolia 'Hokie Pink' — summersweet
• Clethra alnifolia 'Ruby Spice' — summersweet
• Clethra alnifolia 'Sherry Sue' — summersweet
• Clethra alnifolia 'Sixteen Candles' — dwarf summersweet
• Clethra barbinervis 'Takeda Nishiki' — First Snow Japanese clethra
• Clethra pringlei — Mexican clethra
• Cleyera japonica — Japanese cleyera
• Cleyera japonica 'Variegata' — Romeo variegated Japanese cleyera
• Cleyera pachyphylla (Jiangxi)
• Clinopodium georgianum 'Conecuh Craziness'
• Clinopodium georgianum 'WAH/SS' — Sweet Savannah calamint
• Clinopodium grandiflorum 'Variegata' — variegated calamint
• Clinopodium nepeta — lesser calamint
• Clinopodium nepeta subsp. glandulosum 'White Cloud' — lesser calamint
• Clinopodium nepeta 'Montrose White' — lesser calamint
• Clinopodium nepeta subsp. nepeta — lesser calamint
• Clinopodium vulgare — wild basil
• Clitoria
• Codonopsis clematidea — bonnet bellflower
• Codonopsis lanceolata — bonnet bellflower
• Colchicum soboliferum
• Colletia hystrix
• Collinsonia japonica
• Collinsonia japonica (ex. 'Snow White')
• Colocasia esculenta 'Aloha' — elephant ear
• Colocasia esculenta ('Fontanesii' green stem form) — elephant ear
• Colocasia esculenta 'Maui Gold' — elephant ear
• Colocasia gigantea (Thailand giant form) — elephant ear
• Coniogramme emeiensis 'Golden Zebra' — variegated bamboo fern
• Coniogramme gracilis — bamboo fern
• Coniogramme intermedia 'Yoroi Musha' — bamboo fern
• Coniogramme japonica — Japanese bamboo fern
• Coniogramme jinggangshanensis 'Shishi' — bamboo fern
• Convallaria majalis — lily-of-the-valley
• Convallaria majalis 'Fernwood's Golden Slippers' — lily-of-the-valley
• Convallaria majalis 'Flore Pleno' — lily-of-the-valley
• Convallaria majalis 'Hardwick Hall' — lily-of-the-valley
• Convallaria majalis 'Striata' — lily-of-the-valley
• Cordyline australis — cabbage tree
• Cordyline australis 'Torbay Dazzler'
• Coreopsis auriculata 'Nana' — dwarf mouse ear coreopsis
• Coreopsis 'Candlelight' — threadleaf coreopsis
• Coreopsis gladiata — Beadle’s tickseed
• Coreopsis major — greater tickseed
• Coreopsis tripteris 'Lightning Flash'
• Cornus aff. alba
• Cornus alba 'ByBoughen' — First Editions Neon Burst Tartarian dogwood
• Cornus alba 'Minbat' — First Editions Baton Rouge Tatarian dogwood
• Cornus alba 'UMN970507' — Garden Glow Tatarian dogwood
• Cornus amomum 'Cayenne' — First Editions Cayenne silky dogwood
• Cornus amomum subsp. obliqua — silky dogwood
• Cornus capitata — Himalayan evergreen dogwood
• Cornus capitata 'Legacy'
• Cornus controversa — giant dogwood
• Cornus controversa 'June Snow' — giant dogwood
• Cornus darvasica
• Cornus elliptica 'First Choice' — Chinese evergreen dogwood
• Cornus elliptica 'NCCE1' — Lucky Leprechaun Chinese evergreen dogwood
• Cornus florida 'Appalachian Spring' — flowering dogwood
• Cornus florida 'JN13' — Ragin' Red red flowering dogwood
• Cornus florida 'Purple Glory' — flowering dogwood
• Cornus florida 'Pygmaea' — dwarf flowering dogwood
• Cornus florida subsp. urbiniana — Mexican flowering dogwood
• Cornus 'Gloria Birkett' — dogwood
• Cornus hongkongensis — evergreen dogwood
• Cornus aff. hongkongensis — Hong Kong dogwood
• Cornus hongkongensis subsp. melanotricha — evergreen dogwood
• Cornus hongkongensis subsp. tonkinensis — Hong Kong dogwood
• Cornus aff. hongkongensis (white fruit) — evergreen dogwood
• Cornus iberica — dogwood
• Cornus kousa 'Blue Shadow' — kousa dogwood
• Cornus kousa subsp. chinensis 'Aiden's Mint Frost' — Chinese Kousa dogwood
• Cornus kousa subsp. chinensis 'Girard's Nana' — Chinese Kousa dogwood
• Cornus kousa subsp. chinensis 'Propzam' — Prophet Chinese Kousa dogwood
• Cornus kousa subsp. chinensis 'Samzam' — Samaritan Chinese Kousa dogwood
• Cornus kousa subsp. chinensis 'Splendiferous' — Chinese Kousa dogwood
• Cornus kousa subsp. chinensis 'Ticknor's Choice' — Chinese Kousa dogwood
• Cornus kousa 'Elizabeth Lustgarten' — weeping kousa dogwood
• Cornus kousa 'Greensleeves' — kousa dogwood
• Cornus kousa 'Kristin Lipka's Variegated Weeper' — kousa dogwood
• Cornus kousa 'Little Poncho'
• Cornus kousa 'Lustgarten Weeping' — kousa dogwood
• Cornus kousa 'Polizam' — Powdered Lipstick kousa dogwood
• Cornus kousa 'Rutpink' — Scarlet Fire pink kousa dogwood
• Cornus kousa 'Snow Tower' — kousa dogwood
• Cornus kousa 'Summer Gold' — variegated kousa dogwood
• Cornus kousa 'Trinity Star' — variegated kousa dogwood
• Cornus kousa 'White Ball' — kousa dogwood
• Cornus macrophylla — bigleaf dogwood
• Cornus mas 'Aureoelegantissima' — variegated Cornelian cherry
• Cornus mas 'Elegant' — Cornelian cherry
• Cornus mas 'JFS PN4Legacy' — Saffron Sentinel Cornelian cherry
• Cornus mas 'Pioneer' — Cornelian cherry
• Cornus mas 'Ukraine Yellow' — Cornelian cherry
• Cornus mas 'Variegata' — Cornelian cherry
• Cornus mas 'Vidubetskii' — Red Star Cornelian cherry
• Cornus mas (yellow-fruited) — cornelian cherry
• Cornus 'NCCH3' — Cloudburst dogwood
• Cornus officinalis — Chinese cornelian dogwood
• Cornus officinalis 'Kintoki' — Chinese cornelian dogwood
• Cornus officinalis 'Morton' — Chinese cornelian dogwood
• Cornus officinalis 'Spring Glow' — Chinese cornelian dogwood
• Cornus officinalis 'Sunsphere' — Chinese cornelian dogwood
• Cornus pumila — dwarf redtip dogwood
• Cornus quinquenervis — alder wood
• Cornus quinquenervis (compact form) — alder wood
• Cornus 'Rutcan' — Constellation Rutgers hybrid dogwood
• Cornus sanguinea 'Midwinter Fire' — bloodtwig dogwood
• Cornus sanguinea 'Winter Beauty' — bloodtwig dogwood
• Cornus walteri — Walter's dogwood
• Cornus wilsoniana — Wilson's dogwood
• Cornus wilsoniana 'White Jade' — Wilson's dogwood
• Cortaderia araucana — pampas grass
• Cortaderia selloana 'Aureolineata' — gold-stripe Pampas grass
• Cortaderia selloana 'Blue Bayou' — pampas grass
• Cortaderia selloana 'Sunningdale Silver' — Pampas grass
• Corydalis solida 'Beth Evans' — fumewort
• Corydalis solida 'Merlin'
• Corydalis solida 'Purple Bird' — fumewort
• Corydalis solida subsp. solida 'White Knight' — fumewort
• Corylopsis — winter hazel
• Corylopsis gotoana — winter hazel
• Corylopsis multiflora — winter hazel
• Corylopsis sinensis — winter hazel
• Corylopsis sinensis var. calvescens f. veitchiana — winter hazel
• Corylopsis spicata — winter hazel
• Corylopsis spicata 'Golden Spring' — winter hazel
• Corylopsis willmottiae — winter hazel
• Corylopsis willmottiae 'Spring Purple' — winter hazel
• Corylus avellana 'Aurea' — golden hazelnut
• Corylus avellana 'Burgundy Lace' — hazelnut
• Corylus avellana 'Contorta' — Harry Lauder's walkingstick
• Corylus avellana 'Heterophylla' — cutleaf hazelnut
• Corylus avellana 'Red Majestic' — purple contorted hazelnut
• Corylus chinensis — Chinese hazelnut
• Corylus colurna — Turkish hazelnut
• Corylus fargesii — Farges' hazelnut
• Corylus maxima 'Purpurea' — purple-leaf giant filbert
• Coryphantha echinus
• Coryphantha robustispina subsp. scheeri
• Coryphantha sulcata — pineapple cactus
• Coryphantha vogtherriana
• Cosmos atrosanguineus — chocolate cosmos
• Cotinus coggygria 'Ancot' — Golden Spirit smokebush
• Cotinus coggygria 'Cotsidh5' — Velveteeny smoke bush
• Cotinus coggygria 'Daydream' — smokebush
• Cotinus coggygria 'MINCOJAU3' — Winecraft Gold smokebush
• Cotinus 'Grace' — purple smoketree
• Cotoneaster dammeri 'Streib's Findling' — bearberry cotoneaster
• Cotoneaster fangianus — Enshi cotoneaster
• Cotoneaster franchetii — orange cotoneaster
• Cotoneaster hodjingensis
• Cotoneaster lucidus
• Cotoneaster mingkwongensis — cotoneaster
• Cotoneaster morrisonensis — Taiwan cotoneaster
• Cotoneaster obscurus — dark red cotoneaster
• Cotoneaster ogisui — Ogisu's cotoneaster
• Cotoneaster pannosus — Chinese cotoneaster
• Cotoneaster ×suecicus 'OSUCOT1'
• Crambe maritima — sea kale
• Crataegus ×canescens — Stern's medlar
• Crataegus columbiana — black hawthorn
• Crataegus spathulata — little-hip hawthorn
• Crinum — crinum lily
• Crinum '9 Stripes' — crinum lily
• Crinum 'Alamo Village' — crinum lily
• Crinum americanum — St. Mark's, FL crinum lily
• Crinum amoenum — crinum lily
• Crinum asiaticum — crinum lily
• Crinum asiaticum var. japonicum — crinum lily
• Crinum ×baconi 'Maurine Spinks' — crinum lily
• Crinum 'Bambino' — crinum lily
• Crinum 'Bradley' — crinum lily
• Crinum bulbispermum — Orange river lily
• Crinum bulbispermum 'Aurora Glorialis' — Orange river lily
• Crinum bulbispermum 'Jumbo' — Orange river lily
• Crinum bulbispermum (Namibia form) — Orange river lily
• Crinum buphanoides — crinum lily
• Crinum 'Burgundy' — crinum lily
• Crinum 'Cameo Pink' — crinum lily
• Crinum 'Cecil Houdyshel' — crinum lily
• Crinum 'Claude Davis' — crinum lily
• Crinum ×digweedii — crinum lily
• Crinum ×digweedii 'Mahon' — crinum lily
• Crinum ×digweedii 'Red Flare' — crinum lily
• Crinum ×digweedii 'Stars And Stripes' — crinum-lily
• Crinum (dwarf) — crinum lily
• Crinum ×eboracii 'Twelve Apostles' — crinum-lily
• Crinum 'Elizabeth Traub' — crinum lily
• Crinum 'Ellen Bosanquet' — crinum lily
• Crinum erubescens (Westwego form) — crinum lily
• Crinum 'Faye Hornbuckle' — crinum lily
• Crinum 'Fiesta' — crinum lily
• Crinum firmifolium (Madagascar form) — crinum lily
• Crinum 'Glory' — crinum lily
• Crinum ×gowenii 'Massey's Pride' — crinum lily
• Crinum ×herbertii 'Carnival' — crinum lily
• Crinum ×herbertii 'Caroll Abbott' — crinum lily
• Crinum ×herbertii 'Cecil's Choice' — crinum lily
• Crinum ×herbertii 'Paul Bunyan' — crinum lily
• Crinum ×herbertii (pink keal) — crinum lily
• Crinum ×herbertii (red keel) — crinum lily
• Crinum ×herbertii 'Schreck' — crinum lily
• Crinum ×herbertii (Tuscaloosa form) — crinum lily
• Crinum hildebrandtii — crinum lily
• Crinum 'Improved Peach Blow' — crinum lily
• Crinum 'Infusion' — crinum lily
• Crinum 'J.C. Harvey' — crinum lily
• Crinum 'Jubilee' — crinum lily
• Crinum 'Kim Maureen' — crinum lily
• Crinum (Kridler clone) — crinum lily
• Crinum 'Li'l Stinker' — crinum lily
• Crinum 'Lorraine Clark' — crinum lily
• Crinum lugardiae (Namibia form) — crinum lily
• Crinum 'Maiden's Blush' — crinum lily
• Crinum mauritianum — crinum lily
• Crinum 'Mrs. Horace Kennedy' — crinum lily
• Crinum 'Mrs. James Hendry' — crinum lily
• Crinum 'Mystery' — crinum lily
• Crinum 'Peachblow' — crinum lily
• Crinum 'Peyton's Place' — crinum lily
• Crinum 'Pink Flamingo' — crinum lily
• Crinum 'Pink Perfume' — crinum lily
• Crinum 'Pink Trumpet' — crinum lily
• Crinum ×powellii — crinum lily
• Crinum ×powellii 'Kitty Clint' — crinum lily
• Crinum 'Rodger Croker Memorial' — crinum lily
• Crinum 'Sangria' — crinum lily
• Crinum 'Snow White' — crinum lily
• Crinum 'So Sweet' — crinum lily
• Crinum 'Summer Glow' — crinum lily
• Crinum 'Summer Nocturne' — crinum lily
• Crinum 'Super Ellen' — crinum lily
• Crinum 'Walter Flory' — crinum lily
• Crinum 'Wetbigi' — crinum lily
• Crinum 'Wetmini' — crinum lily
• Crinum 'White Queen' — crinum lily
• Crocosmia — Nova Gold Dragon montbretia
• Crocosmia ×crocosmiiflora 'George Davidson' — crocosmia
• Crocosmia ×crocosmiiflora 'Tobias'
• Crocosmia 'Emberglow' — crocosmia
• Crocosmia 'Jenny Bloom' — hybrid crocosmia
• Crocosmia 'Lucifer' — crocosmia
• Crocosmia — Twilight Fairy Crimson compact crocosmia
• Crocus — spring crocus
• Crocus angustifolius — cloth of gold crocus
• Crocus angustifolius 'Cloth of Gold'
• Crocus biflorus 'Miss Vain'
• Crocus chrysanthus 'Advance' — spring crocus
• Crocus chrysanthus 'Blue Pearl' — spring crocus
• Crocus chrysanthus 'Herald' — spring crocus
• Crocus chrysanthus 'Ladykiller' — spring crocus
• Crocus corsicus — Corsican crocus
• Crocus etruscus 'Zwanenburg' — Tuscan crocus
• Crocus flavus 'Golden Yellow'
• Crocus 'Florane'
• Crocus heuffelianus
• Crocus heuffelianus 'Uklin Strain'
• Crocus imperati 'De Jager' — crocus
• Crocus isauricus 'Spring Beauty'
• Crocus korolkowii 'Black-Eyed Beauty'
• Crocus korolkowii 'Orange Tiger'
• Crocus kosaninii
• Crocus laevigatus
• Crocus 'Major'
• Crocus malyi
• Crocus mathewii
• Crocus minimus
• Crocus niveus (late blooming form) — autumn-flowering crocus
• Crocus ochroleucus — autumn-flowering crocus
• Crocus pulchellus — autumn crocus
• Crocus puringii
• Crocus rujanensis
• Crocus sativus — saffron crocus
• Crocus sieberi 'Firefly' — Sieber's crocus
• Crocus speciosus
• Crocus speciosus 'Conqueror'
• Crocus speciosus 'Oxonian'
• Crocus thirkeanus
• Crocus tommasinianus — Tommasini's crocus
• Crocus tommasinianus 'Albus' — Tommasini's crocus
• Crocus tommasinianus 'Barr's Purple' — Tommasini's crocus
• Crocus tommasinianus 'Lilac Beauty' — Tommasini's crocus
• Crocus tommasinianus 'Pictus' — Tommasini's crocus
• Crocus tommasinianus 'Roseus' — Tommasini's crocus
• Crocus tommasinianus 'Ruby Giant' — Tommasini's crocus
• Crocus tommasinianus 'Whitewell Purple' — Tommasini's crocus
• Crocus vernus
• Crocus vernus 'King of the Striped'
• Crocus vernus 'Vanguard'
• Crocus 'Yalta'
• Croton alabamensis — Alabama croton
• Cryptomeria japonica 'Al's Blue' — Japanese cedar
• Cryptomeria japonica 'Benjamin Franklin' — Japanese cedar
• Cryptomeria japonica 'Birodo Sugi' — Japanese cedar
• Cryptomeria japonica 'Black Dragon' — Japanese cedar
• Cryptomeria japonica 'Butterball' — Japanese cedar
• Cryptomeria japonica 'Dinger' — Japanese cedar
• Cryptomeria japonica 'Ed Wood's' — Japanese cedar
• Cryptomeria japonica 'Elegans Nana' — Japanese cedar
• Cryptomeria japonica 'Giokumo' — Japanese cedar
• Cryptomeria japonica 'Golden Promise' — Japanese cedar
• Cryptomeria japonica 'Gyokuryu' — Japanese cedar
• Cryptomeria japonica 'Honey Moon' — Japanese cedar
• Cryptomeria japonica 'Kitakami' — Japanese cedar
• Cryptomeria japonica 'Kusari-sugi' — Japanese cedar
• Cryptomeria japonica 'Lemonade' — Japanese cedar
• Cryptomeria japonica 'Limeade' — Japanese cedar
• Cryptomeria japonica 'Little Diamond' — Japanese cedar
• Cryptomeria japonica 'Lobbii' — Japanese cedar
• Cryptomeria japonica 'Magic Dragon' — Japanese cedar
• Cryptomeria japonica 'Monstrosa' — Japanese cedar
• Cryptomeria japonica 'Nana' — Japanese cedar
• Cryptomeria japonica 'Nana Albospica' — Japanese cedar
• Cryptomeria japonica 'Pom Pom' — Japanese cedar
• Cryptomeria japonica 'Rein's Dense Jade' — Japanese cedar
• Cryptomeria japonica 'Sekkan' — Japanese cedar
• Cryptomeria japonica var. sinensis — Chinese cedar
• Cryptomeria japonica 'Tansu' — Japanese cedar
• Cryptomeria japonica 'Vilmoriniana Gold' — Japanese cedar
• Cryptomeria japonica 'Winter Green' — Japanese cedar
• Cryptomeria japonica 'Winter Mint' — Japanese cedar
• Cryptomeria japonica 'Yellow Twig' — Japanese cedar
• Cryptomeria japonica 'Yoshino' — Japanese cedar
• Ctenitis subglandulosa
• Cunila origanoides
• Cunninghamia lanceolata 'Chason's Gift' — China-fir
• Cunninghamia lanceolata 'Compacta' — China-fir
• Cunninghamia lanceolata var. konishii — China-fir
• Cunninghamia lanceolata var. konishii (ABG blue) — China-fir
• Cunninghamia lanceolata 'Samurai' — blue China-fir
• Cuphea
• Cuphea 'Cupver'
• Cuphea cyanea 'Ashevilla' — pink cigar plant
• Cuphea 'David Verity' — giant cigar plant
• Cuphea glutinosa — Mexican heather
• Cuphea ignea 'Sugarbells'
• Cuphea micropetala — Mexican giant cigar plant
• Cupressus
• Cupressus arizonica 'Blue Ice' — Arizona cypress
• Cupressus arizonica 'Carolina Sapphire' — Arizona cypress
• Cupressus arizonica 'Limelight' — yellow Arizona cypress
• Cupressus arizonica 'Sapphire Skies' — Arizona cypress
• Cupressus arizonica var. stephensonii (dwarf form) — Cuyamaca cypress
• Cupressus arizonica 'Sulfurea' — yellow Arizona cypress
• Cupressus cashmeriana — Benghal cypress
• Cupressus funebris — Chinese weeping cypress
• Cupressus guadalupensis var. forbesii — Tecate cypress
• Cupressus nootkatensis 'Green Arrow' — weeping-column Nootka falsecypress
• Cupressus torulosa — Himalayan cypress
• Cupressus vietnamensis — golden Vietnamese cypress
• ×Cuprocyparis leylandii 'Gold Rider Silver' — variegated Leyland cypress
• ×Cuprocyparis leylandii 'Green Spire' — Leyland cypress
• Curcuma petiolata — hidden cone ginger
• Curcuma petiolata 'Emperor' — variegated hidden ginger
• Cyanus cheiranthifolius
• Cycas revoluta — sago palm
• Cyclamen africanum — African cyclamen
• Cyclamen coum — hardy cyclamen
• Cyclamen graecum — Greek cyclamen
• Cyclamen hederifolium — hardy cyclamen
• Cyclamen hederifolium Album Group (silver leaf) — white flowered hardy cyclamen
• Cyclamen hederifolium Ashwood Nurseries Silver Leaf Group — hardy cyclamen
• Cyclamen hederifolium (Corfu Red) — hardy cyclamen
• Cyclamen hederifolium var. hederifolium f. albiflorum — white flowered hardy cyclamen
• Cyclamen hederifolium (pewter arrowhead form) — hardy cyclamen
• Cyclamen purpurascens — alpine cyclamen
• Cyclamen rohlfsianum — Rohlf's cyclamen
• Cyclamen ×whiteiae — hybrid cyclamen
• Cylindropuntia davisii × C. kleiniae 'Golden Lion'
• Cylindropuntia imbricata var. arborscens 'Inermis' — spineless tree cholla
• Cylindropuntia imbricata 'Mosaic Melody'
• Cylindropuntia imbricata var. viridiflorus — Santa Fe cholla
• Cylindropuntia kleiniae — Klein's pencil cactus
• Cylindropuntia whipplei 'Snow Leopard' — Whipple cholla
• Cylindropuntia whipplei var. whipplei — Whipple cholla
• Cymbalaria muralis — Kenilworth ivy
• Cynanchum ascyrifolium
• Cynara syriaca — wild artichoke
• Cypella herbertii subsp. brevicristata
• Cyperus albostriatus 'Nanus' — dwarf umbrella plant
• Cyperus albostriatus 'Variegatus' — variegated dwarf umbrella plant
• Cyperus alternifolius — umbrella plant
• Cyrilla racemiflora 'Graniteville' — titi
• Cyrilla racemiflora var. parviflora (Franklin Co., FL) — American cyrilla
• Cyrilla racemiflora 'Tom Patrick' — titi
• Cyrilla racemiflora 'Woodlanders Littleleaf' — titi
• Cyrtomium — holly fern
• Cyrtomium caryotideum — holly fern
• Cyrtomium falcatum 'Butterfieldii' — Butterfield's holly fern
• Cyrtomium falcatum 'Rochfordianum' — Japanese holly fern
• Cyrtomium fortunei 'Ulleung-do' — Fortune's holly fern
• Cyrtomium tsinglingense 'Li Ping'

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D

• Dahlia — dahlia
• Dahlia atropurpurea
• Dahlia 'Bishop of Canterbury' — garden dahlia
• Dahlia 'Bishop of Llandaff' — garden dahlia
• Dahlia 'Bishop of York' — garden dahlia
• Dahlia 'Bishop's Children'
• Dahlia 'Classic Elise' — garden dahlia
• Dahlia 'Classic Giselle' — garden dahlia
• Dahlia 'Classic Summertime' — garden dahlia
• Dahlia coccinea — garden dahlia
• Dahlia cf. coccinea
• Dahlia — Dalina Maxi Colima garden dahlia
• Dahlia — Dalina Maxi Tampico garden dahlia
• Dahlia (ex. 'Knockout') — garden dahlia
• Dahlia (ex. 'Roxy') — garden dahlia
• Dahlia imperialis — tree dahlia
• Dahlia imperialis (double white) — tree dahlia
• Dahlia 'Joliet' — garden dahlia
• Dahlia 'Knockout' — Mystic Illusion garden dahlia
• Dahlia 'Roodkapje' — garden dahlia
• Dahlia sorensenii
• Dalbergia hupeana — rosewood
• Danae racemosa — poet's laurel
• Daphne ×burkwoodii 'Silveredge' — daphne
• Daphne laureola subsp. philippi — spurge-laurel
• Daphne ×neapolitana 'Meon' — hybrid daphne
• Daphne odora 'DapJur02' — Perfume Princess White fragrant winter daphne
• Daphne odora 'Hewreb' — Rebecca variegated winter daphne
• Daphne odora 'Mae-jima' — variegated winter daphne
• Daphne odora ('Nakafu' sport) — winter daphne
• Daphne odora 'Shinano Nishiki' — variegated winter daphne
• Daphne odora 'Sweet Amethyst' — fragrant winter daphne
• Daphne pseudomezereum 'Ginso' — winter daphne
• Daphne pseudomezereum 'Mikado' — winter daphne
• Daphne pseudomezereum (orange flower) — winter daphne
• Daphne pseudomezereum (white flower) — winter daphne
• Daphne pseudomezereum 'Yahiko' — winter daphne
• Daphne pseudomezereum 'Yamato' — winter daphne
• Daphne ×susannae 'Tage Lundell' — hybrid daphne
• Daphniphyllum cf. calycinum — daphniphyllum
• Daphniphyllum aff. glaucescens
• Daphniphyllum macropodum — false daphne
• Daphniphyllum aff. macropodum — false daphne
• Daphniphyllum paxianum
• Daphniphyllum pentandrum
• Daphniphyllum teijsmannii 'Mountain Dove' — Japanese daphniphyllum
• Dasylirion berlandieri — blue sotol
• Dasylirion gentryi — Gentry's sotol
• Dasylirion glaucophyllum — blue sotol
• Dasylirion glaucophyllum 'Marbles Park' — blue sotol
• Dasylirion leiophyllum — green sotol
• Dasylirion texanum — Texas sotol
• Datura
• Davallia mariesii 'Korea Rocks' — rabbit's foot fern
• Davidia involucrata 'Aya Nishiki' — variegated dove tree
• Davidia involucrata 'Lady Dahlia' — dove tree
• Delosperma 'Florsaika'
• Delosperma 'John Proffitt' — Table Mountain ice plant
• Delosperma 'Lavender Ice' — ice plant
• Delosperma 'P001s' — Fire Spinner iceplant
• Delosperma sutherlandii — Sutherland's hardy ice-plant
• Delosperma 'T18-2' — Ocean Sunset Orange Vibe ice plant
• Delosperma 'T18-5' — Ocean Sunset Violet ice plant
• Dendropanax cf. kwangsiensis — Guangxi ginseng
• Dendropanax trifidus — tree ivy
• Deparia lobato-crenata
• Deutzia crenata 'Summer Snow' — variegated deutzia
• Deutzia glabrata — smooth deutzia
• Deutzia gracilis — slender deutzia
• Deutzia gracilis 'Duncan' — Chardonnay Pearls slender deutzia
• Deutzia gracilis 'Mincream' — Creme Fraiche slender deutzia
• Deutzia gracilis 'Nikko Dawn' — slender deutzia
• Deutzia gracilis 'Variegata' — slender deutzia
• Deutzia ×hybrida 'Tourbillon Rouge' — pink deutzia
• Deutzia ×kalmiiflora — Kalmia-flowered deutzia
• Deutzia 'NCDX2' — Yuki Cherry Blossom deutzia
• Deutzia pulchra — beautiful deutzia
• Deutzia rubens — white deutzia
• Deutzia scabra 'Variegata' — variegated fuzzy deutzia
• Deutzia taiwanensis — deutzia
• Diabelia spathulata — twin-flowering abelia
• Dianella caerulea 'DBB03' — Cassa Blue flax lily
• Dianella caerulea 'John 316'
• Dianthus — pink
• Dianthus arpadianus var. pumilus — Alpine pink
• Dianthus ×arvernensis
• Dianthus barbatus (red shades)
• Dianthus callizonus
• Dianthus 'Chris's Passalong' — perennial sweet William
• Dianthus 'Cranberry Cocktail' — pinks
• Dianthus deltoides
• Dianthus furcatus 'Bereschei'
• Dianthus giganteiformis subsp. pontederae — pink
• Dianthus giganteus — giant pink
• Dianthus gratianopolitanus 'Bath's Pink' — dianthus
• Dianthus henteri — Henter's pink
• Dianthus hyssopifolius
• Dianthus 'Inshriach Dazzler' — garden pink
• Dianthus 'Key Lime Pie' — American Pie pinks
• Dianthus knappii — yellow carnation
• Dianthus 'KonD1400K6' (Mountain Frost Ruby Glitter) — ruby glitter hardy carnation
• Dianthus myrtinervius
• Dianthus nitidus — Carpathian glossy pink
• Dianthus oschtenicus — dianthus
• Dianthus pinifolius — pine-leaf pink
• Dianthus plumarius 'Rose Tone' — feathered pink
• Dianthus pygmaeus
• Dianthus tianschanicus — Tianshan carnation
• Dianthus 'Uribest52' — Vivid Bright Light dianthus
• Dianthus 'Wicked Witch' — wicked witch hardy pink
• Dianthus 'Wp15 Mow08' — Devon Cottage Pinball Wizard pinks
• Dichelostemma congestum — fork-toothed ookow
• Dichelostemma congestum 'Pink Diamond' — fork-toothed ookow
• Dichelostemma ida-maia — firecracker flower
• Dichroa — evergreen hydrangea
• Dichroa (dwarf)
• Dichroa febrifuga 'Yamaguchi Hardy' — blue evergreen hydrangea
• Dichroa febrifuga 'Yamaguchi Narrow-leaf' — blue evergreen hydrangea
• Dichroa febrifuga 'Yamaguchi White' — evergreen hydrangea
• Dierama adelphicum — wandflower
• Dierama jucundum — wandflower
• Dierama mossii — Compact Angel's Fishing Rod
• Dierama pulcherrimum 'Pink Fairies'
• Diervilla lonicera 'Copper' — copper low bush honeysuckle
• Digitalis ciliata — hairy foxglove
• Digitalis ferruginea — rusty foxglove
• Digitalis lutea — straw foxglove
• Digitalis thapsi 'Spanish Peaks' — Spanish foxglove
• Diospyros cathayensis — Cathay persimmon
• Diospyros kaki — oriental persimmon
• Diospyros kaki 'Gwang Yang' — oriental persimmon
• Diospyros kaki 'Shibamichi Weeping' — oriental persimmon
• Diospyros palmeri — persimmon
• Diospyros rhombifolia — princess persimmon
• Diospyros rhombifolia 'Suisei' — princess persimmon
• Diospyros texana — Texas persimmon
• Diospyros virginiana — persimmon
• Diospyros virginiana (Hidden Hollow seedless) — persimmon
• Diospyros virginiana 'JN5' — Magic Fountain weeping persimmon
• Diospyros wilsonii (hort.) — Wilson's persimmon
• Dirca palustris — leatherwood
• Disanthus cercidifolius 'Ena Nishiki' — redbud-hazel
• Disanthus ovatifolius
• Disporopsis — evergreen Solomon's seal
• Disporopsis arisanensis — evergreen Solomon's seal
• Disporopsis aff. aspersa — Chinese evergreen Solomon’s seal
• Disporopsis aspersa (Ogon)
• Disporopsis (ex. China)
• Disporopsis jinfushanensis — dwarf evergreen Solomon's seal
• Disporopsis 'Lily Pads' — evergreen Solomon's seal
• Disporopsis longifolia — evergreen Solomon's seal
• Disporopsis luzoniensis — evergreen Solomon's seal
• Disporopsis pernyi — evergreen Solomon's seal
• Disporopsis aff. pernyi — evergreen Solomon's seal
• Disporopsis pernyi 'Xiao Chengdu' — dwarf evergreen Solomon's seal
• Disporopsis (sp. nova) — evergreen Solomon's seal
• Disporopsis undulata — evergreen Solomon's seal
• Disporum
• Disporum cf. bodinieri — fairy bells
• Disporum cantoniense 'Aureovariegata' — Canton fairy bells
• Disporum cantoniense 'Blueberry Bere' — Canton fairy bells
• Disporum longistylum 'Green Giant' — Chinese fairy bells
• Disporum longistylum 'Shina-no-tsuki' — China moon Solomon's seal
• Disporum megalanthum — fairy bells
• Disporum sessile 'Goldbug' — fairy bells
• Disporum sessile 'Tightwad' — dwarf fairy bells
• Disporum sessile 'Variegatum' — variegated fairy bells
• Disporum smilacinum 'Ki-no-tsukasa' — Japanese fairy bells
• Disporum smilacinum 'Pink Star' — Japanese fairy bells
• Disporum trabeculatum — rigid Solomon's seal
• Disporum trabeculatum 'Nakafu'
• Disporum uniflorum — fairy bells
• Distyliopsis tutcheri
• Distylium — isu tree
• Distylium buxifolium — box leaf isu tree
• Distylium aff. chinense — isu tree
• Distylium myricoides — blue isu
• Distylium myricoides 'sPg-3-007' — Spring Frost white-flush isu tree
• Distylium 'PIIDIST-I' — Emerald Heights isu tree
• Distylium 'PIIDIST-II' — Blue Cascade isu tree
• Distylium 'PIIDIST-V' — Cinnamon Girl isu tree
• Distylium 'PsyOps' — isu tree
• Distylium racemosum — isu tree
• Distylium racemosum 'Guppy' — dwarf isu tree
• Distylium racemosum (white margin) — isu tree
• Distylium (variegated) — variegated Isu tree
• Diuranthera major
• Dorstenia
• Dracunculus vulgaris — dragon arum
• Dracunculus vulgaris — white form No. 1 dragon arum
• Drimiopsis (Kampersus striped) — striped false hosta
• Drimiopsis maculata — African hosta
• Drimiopsis maculata 'Slow Fade' — hardy drimiopsis
• Dryopteris
• Dryopteris affinis subsp. affinis — scaly male fern
• Dryopteris championii — Champion's wood fern
• Dryopteris erythrosora — autumn fern
• Dryopteris erythrosora var. koidzumiana — autumn fern
• Dryopteris erythrosora 'Radiance' — autumn fern
• Dryopteris formosana — Formosa wood fern
• Dryopteris goldiana — Goldie's shield fern
• Dryopteris pycnopteroides — leatherwood fern
• Dryopteris sieboldii — Siebold's wood fern
• Dryopteris sublacera — wood fern
• Duranta erecta 'Cuban Gold'
• Dyckia — dyckia

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E

• Ebenus cretica
• Echeandia texensis — Texas craglily
• Echeandia texensis 'Loma del Potrero Cercado' — Texas shooting star
• Echinacea — coneflower
• Echinacea 'Balscawbux'
• Echinacea 'Balscmelux' — Double Scoop Watermelon Deluxe coneflower
• Echinacea 'Balscrasux'
• Echinacea 'Balsomador'
• Echinacea 'Balsomrosa'
• Echinacea 'Berry'
• Echinacea 'Carmine'
• Echinacea 'Conevin' — Purple Fantasy hybrid coneflower
• Echinacea 'Evan Saul' — Sundown Big Sky™ coneflower
• Echinacea 'Glowing Dream'
• Echinacea pallida — pale purple coneflower
• Echinacea paradoxa — yellow coneflower
• Echinacea purpurea — eastern purple coneflower
• Echinacea purpurea (ex. 'Ruby Giant') — eastern purple coneflower
• Echinacea purpurea 'Merlot' — eastern purple coneflower
• Echinacea purpurea 'Ruby Giant' — purple coneflower
• Echinacea simulata — wavy-leaf purple coneflower
• Echinacea 'Spicy'
• Echinocereus bistolii var. pseudopectinatus
• Echinocereus chloranthus var. cylindricus
• Echinocereus chloranthus var. milleri
• Echinocereus coccineus subsp. gurneyi
• Echinocereus dasyacanthus
• Echinocereus enneacanthus var. brevispinus
• Echinocereus fendleri — pinkflower hedgehog cactus
• Echinocereus lloydii
• Echinocereus pectinatus var. wenigeri 'Ctenoides'
• Echinocereus reichenbachii — lace hedgehog cactus
• Echinocereus reichenbachii subsp. baileyi — Bailey's hedgehog cactus
• Echinocereus reichenbachii subsp. baileyi × E. perbellus
• Echinocereus reichenbachii subsp. caespitosus
• Echinocereus reichenbachii var. perbellus — lace hedgehog cactus
• Echinocereus ×roetteri — Roetter's hedgehog cactus
• Echinocereus triglochidiatus — claret cup hedgehog cactus
• Echinocereus triglochidiatus (Alpine Texas form) — claret cup hedgehog cactus
• Echinocereus triglochidiatus var. inermis
• Echinocereus triglochidiatus var. inermis × E. triglochidiatus (White Sands)
• Echinocereus viridiflorus — nylon hedgehog cactus
• Echinodorus bracteatus 'Lantau Lady' — Amazon sword
• Echinodorus cordifolius 'Marble Queen' — creeping burrhead
• Echinops maracandicus — globe thistle
• Echinops tschimganicus
• Echinopsis formosa × (Lobivia bruchii × Echinopsis thelegona)
• Echium vulgare — viper's bugloss
• Echium wildpretii
• Edgeworthia 'Akebono' — red-flowered paperbush
• Edgeworthia chrysantha — golden paperbush
• Edgeworthia chrysantha 'Nanjing Gold' — golden paperbush
• Edgeworthia chrysantha 'Winter Gold' — golden paperbush
• Edgeworthia papyrifera — Japanese paperbush
• Edgeworthia 'Snow Globe' — Japanese paperbush
• Edraianthus graminifolius
• Edraianthus parnassicus
• Edraianthus tenuifolius
• Ehretia dicksonii — Dickson's koda tree
• Elaeagnus pungens 'Chirifu' — variegated silverthorn
• Elaeagnus viridis var. delavayi
• Elaeocarpus decipiens — Japanese blueberry tree
• Eleutherococcus nodiflorus
• Eleutherococcus sieboldianus 'Variegatus' — five-leaf aralia
• Elodea canadensis
• Elymus magellanicus — Magellan wild rye
• Embelia vestita — sour vine
• Emmenopterys henryi — Chinese Emmenopterys
• Encephalartos transvenosus — Modjadi cycad
• Enkianthus campanulatus 'Bovee's Dark Red Stripe' — redvein enkianthus
• Enkianthus campanulatus var. longilobus — redvein enkianthus
• Enkianthus perulatus 'Tsukumo' — white enkianthus
• Enkianthus quinqueflorus — Chinese new year flower
• Enkianthus quinqueflorus 'Pink Chandelier' — Chinese new year flower
• Ephedra chilensis — jointfir
• Ephedra equisetina — blue stem joint fir
• Ephedra fedtschenkoae — joint fir
• Ephedra major — jointfir
• Ephedra regeliana — joint fir
• Ephedra sinica — ephedra
• Epimedium — fairy wings
• Epimedium cf. acuminatum — fairy wings
• Epimedium 'Amber Queen' — fairy wings
• Epimedium davidii (DJHC 681) — fairy wings
• Epimedium 'Domino' — fairy wings
• Epimedium grandiflorum 'Conalba' — Alabaster fairy wings
• Epimedium grandiflorum 'Purple Pixie' — fairy wings
• Epimedium grandiflorum 'Swallowtail' — fairy wings
• Epimedium jinchengshanense
• Epimedium mikinorii
• Epimedium ogisui (DJHC 733) — fairy wings
• Epimedium ×perralchicum 'Frohnleiten' — fairy wings
• Epimedium 'Pretty in Pink' — fairy wings
• Epimedium pubescens — fairy wings
• Epimedium rhizomatosum — fairy wings
• Epimedium sempervirens 'Snowshoe Lake' — fairy wings
• Epimedium 'Songbirds' — fairy wings
• Epimedium stellulatum — star-shaped fairy wings
• Epimedium 'The Giant' — fairy wings
• Epimedium ×versicolor 'Strawberry Blush' — pink fairy wings
• Epimedium ×versicolor 'Sulphureum' — yellow fairy wings
• Epimedium ×warleyense — fairy wings
• Epimedium wushanense — fairy wings
• Epimedium aff. wushanense — fairy wings
• Epimedium xichangense
• Epimedium ×youngianum 'Niveum' — snowy fairy wings
• Epimedium ×youngianum 'Royal Flush' — fairy wings
• Eragrostis elliottii — Elliott's love grass
• Eragrostis spectabilis — purple love grass
• Eranthis hyemalis — winter aconite
• Eremurus 'Lemon Meringue' — foxtail lily
• Erica ×darleyensis 'Furzey' — Darley heath
• Erica ×darleyensis 'White Perfection' — Darley heath
• Erica (white flower)
• Erigeron pulchellus var. pulchellus 'Lynnhaven Carpet' — robin's plantain
• Eriobotrya deflexa — bronze loquat
• Eriobotrya japonica 'Coppertone' — loquat
• Eriobotrya japonica (white splash) — variegated loquat
• Eriobotrya japonica 'Wuling Hardy' — loquat
• Eriolarynx australis 'Lago Azul'
• Eryngium — grassy-leaf sea holly
• Eryngium alpinum — blue star
• Eryngium aquaticum — eryngo
• Eryngium aquaticum var. ravenellii — rattlesnake master
• Eryngium campestre
• Eryngium eburneum — sea holly
• Eryngium elegans — elegant sea holly
• Eryngium luzulifolium — rush-leafed sea holly
• Eryngium megapotamicum — big river sea holly
• Eryngium palmatum — sea holly
• Eryngium pandanifolium — giant sea holly
• Eryngium aff. pandanifolium — pandan-leaved sea holly
• Eryngium planum — flat sea holly
• Eryngium planum 'Blue Glitter' — sea holly
• Eryngium regnellii — sea buckthorn
• Eryngium cf. sanguisorba — burgundy-flowered sea holly
• Eryngium serra — sharp sea holly
• Eryngium venustum — Mexican sea holly
• Eryngium yuccifolium — rattlesnake master
• Erysimum 'G16-227'
• Erysimum jugicola
• Erythranthe lutea
• Erythrina ×bidwillii — coralbean hybrid
• Erythrina crista-galli — cockspur coral tree
• Erythrina crista-galli 'Compacta' — cockspur coral tree
• Erythrina herbacea — coral bean
• Erythronium 'Pagoda' — hybrid dogtooth violet
• Escallonia 'Iveyi'
• Eschscholzia californica 'Golden West' — California poppy
• Escobaria albicolumnaria — common foxtail cactus
• Escobaria dasyacantha
• Escobaria guadalupensis
• Escobaria missouriensis — Missouri foxtail cactus
• Escobaria missouriensis subsp. asperispina
• Escobaria sneedii
• Escobaria sneedii subsp. leei (yellow flower)
• Escobaria vivipara var. buoflama
• Escobaria vivipara var. neomexicana
• Eubotrys racemosus — sweetbells
• Eucalyptus amplifolia — cabbage gum
• Eucalyptus camphora — swamp gum
• Eucomis — pineapple lily
• Eucomis 'African Night' — pineapple lily
• Eucomis autumnalis — pineapple lily
• Eucomis autumnalis subsp. clavata — pineapple lily
• Eucomis bicolor — pineapple lily
• Eucomis comosa — pineapple lily
• Eucomis comosa 'Peace Candles' — pineapple lily
• Eucomis comosa 'Sparkling Burgundy' — purple-leaf pineapple lily
• Eucomis (ex. 'Reuben') — pineapple lily
• Eucomis 'Glow Sticks' — pineapple lily
• Eucomis 'Johannesburg' — pineapple lily
• Eucomis 'Leia' — pineapple lily
• Eucomis 'Mini Tuft Bright Pink' — dwarf pink pineapple lily
• Eucomis pallidiflora subsp. pole-evansii — Transvaal pineapple lily
• Eucomis 'Reuben' — pineapple lily
• Eucomis 'Safari Adventure' — pineapple lily
• Eucomis 'Smoking Joe' — pineapple lily
• Eucomis 'Tugela Gem' — pineapple lily
• Eucomis 'Tugela Jade' — hybrid pineapple lily
• Euonymus — Vietnamese euonymus
• Euonymus alatus 'Select' — Fireball burning bush
• Euonymus americanus 'Narrowleaf' — narrowleaf hearts-a-bursting
• Euonymus carnosus — fleshy-flowered spindletree
• Euonymus europaeus 'Red Cascade' — European spindle
• Euonymus fortunei 'Harlequin' — wintercreeper euonymus
• Euonymus fortunei 'Interbolwji' — Blondy wintercreeper euonymus
• Euonymus fortunei 'Wolong Ghost' — silvervein wintercreeper euonymus
• Euonymus grandiflorus
• Euonymus lanceolatus
• Euonymus maackii — winterberry euonymus
• Euonymus myrianthus — many-flowered spindle
• Euonymus nitidus — Chinese spindletree
• Euonymus oxyphyllus — Korean spindle tree
• Euonymus schensianus 'Beni Yakko' — spindle tree
• Euonymus cf. spraguei — Sprague's euonymus -- MWT14-988
• Eupatorium 'Phantom' — Joe Pye weed
• Euphorbia
• Euphorbia amygdaloides subsp. robbiae — Mrs. Robb's bonnet
• Euphorbia 'Canyon Gold' — spurge
• Euphorbia corollata 'Carolina Snow' — flowering spurge
• Euphorbia 'Dean's Hybrid' — Dean's spurge
• Euphorbia lathyris — caper spurge
• Euphorbia rigida — rigid spurge
• Euptelea polyandra — Fusakazura
• Eurya alata — eurya
• Eurya japonica — eurya
• Eurya japonica 'Ginyo Hisakaki' — eurya
• Eurya japonica 'Golden Spreader' — golden eurya
• Eurya leptophylla — eurya
• Eurybia divaricata — white wood aster
• Eurybia divaricata 'Tiny Hiney'
• Eurybia mirabilis
• Euscaphis japonica — Korean sweetheart tree
• Eustrephus latifolius — wombat berry
• Eutrochium purpureum 'Big Umbrella' — Joe-Pye weed
• Eutrochium (white) — Joe Pye weed
• Evolvulus sericeus
• Exbucklandia tonkinensis
• Exochorda 'Blizzard' — Snow Day pearlbush
• Exochorda ×macrantha 'Bailmoon' — First Editions Lotus Moon pearlbush
• Eysenhardtia orthocarpa — kidneywood
• Eysenhardtia orthocarpa (Cochise County) — kidneywood

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F

• Fagus grandifolia — American beech
• Fagus grandifolia 'White Lightning' — American beech
• Fagus hayatae — Taiwan beech
• Fagus lucida — shining beech
• Fagus sylvatica 'Faux de Verzy' — beech
• Fagus sylvatica 'Nicole'
• Fagus sylvatica 'Rohan Minaret' — columnar purple European beech
• Fallugia paradoxa — Apache plume
• Farfugium japonicum — leopard plant
• Farfugium japonicum 'Aureomaculatum' — spotted leopard plant
• Farfugium japonicum var. formosanum — leopard plant
• Farfugium japonicum var. formosanum 'Green Teeth' — leopard plant
• Farfugium japonicum 'Shishi Botan' — leopard plant
• Farfugium japonicum (variegated)
• Farfugium japonicum 'Yaezaki' — leopard plant
• Farfugium 'Last Dance' — leopard plant
• Fargesia rufa — clumping bamboo
• Fargesia rufa 'Oprins Selection' — Green Panda clumping bamboo
• Fargesia rufa 'Sunset Glow' — clumping bamboo
• ×Fatshedera lizei 'Angyo Star' — variegated tree ivy
• ×Fatshedera lizei 'Pia' — variegated tree ivy
• Fatsia japonica — Japanese fatsia
• Fatsia japonica (ex. 'Sparky') — Japanese fatsia
• Fatsia japonica 'Murakumo Nishiki' — cloud brocade Japanese fatsia
• Fatsia japonica 'Sparky' — Japanese aralia
• Fatsia japonica (splashed) — Japanese fatsia
• Fatsia japonica 'Variegata' — Japanese fatsia
• Fatsia polycarpa (Shitou giant form) — Taiwan fatsia
• Fendlera wrightii — Wright's fendlerbush
• Fessia greilhuberi
• Ficaria verna 'Coppernob' — fig buttercup
• Ficaria verna 'Double Mud'
• Ficaria verna Flore Pleno Group — double-flowered fig buttercup
• Ficus
• Ficus carica 'Chicago Hardy' — edible fig
• Ficus carica 'Conadria' — edible fig
• Ficus carica 'Majoam' — Little Miss Figgy edible fig
• Ficus carica 'Mission' — edible fig
• Ficus carica 'Panachee' — edible fig
• Ficus carica 'Santa Cruz Dark' — edible fig
• Ficus carica 'UCR 347-1' — caprifig
• Ficus carica 'Violette de Bordeaux' — edible fig
• Ficus gasparriniana var. laceratifolia — Christmas fig
• Ficus johannis subsp. afghanistanica 'Silver Lyre' — Afghan fig
• Ficus palmata — Punjab fig
• Ficus pumila 'Quercifolia' — oak leaf creeping fig
• Ficus pumila 'Variegata' — creeping fig
• Filipendula multijuga
• Filipendula vulgaris — dropwort
• Firmiana simplex — Chinese parasol tree
• Flueggea suffruticosa — fountain hardhack
• Foeniculum vulgare 'Rubrum' — bronze fennel
• Forestiera angustifolia 'Woodlander's Weeping' — desert olive
• Forestiera pubescens var. parvifolia — desert olive
• Forsythia — forsythia
• Forsythia 'Courtasol' — Gold Tide forsythia
• Forsythia giraldiana 'Golden Times' — Giraldi's forsythia
• Forsythia ×intermedia 'Courdijau' — Golden Peep forsythia
• Forsythia ×intermedia 'White Gold' — variegated forsythia
• Forsythia koreana 'Kumson' — Korean forsythia
• Forsythia mandshurica 'Vermont Sun' — Manchurian forsythia
• Forsythia 'New Hampshire Gold' — dwarf forsythia
• Forsythia viridissima 'McKCitrine' — Citrus Swizzle variegated forsythia
• Fortunearia sinensis
• Fothergilla gardenii 'Blue Elf' — dwarf fothergilla
• Fothergilla gardenii 'Chattanooga' — dwarf fothergilla
• Fothergilla gardenii 'Suzanne' — dwarf fothergilla
• Fothergilla ×intermedia 'Mount Airy' — fothergilla
• Fothergilla ×intermedia 'Red Licorice' — witch-alder
• Fothergilla milleri — Miller's witch alder
• Fothergilla milleri 'Redneck Nation' — Miller's witch alder
• Fragaria chiloensis — beach strawberry
• Fragaria 'Lipstick' — strawberry
• Fraxinus angustifolia subsp. oxycarpa — desert ash
• Fraxinus excelsior 'Aureafolia' — Golden Desert European ash
• Fraxinus greggii — littleleaf ash
• Fraxinus insularis — Chinese flowering ash
• Fraxinus lanuginosa — Japanese ash
• Fraxinus quadrangulata — blue ash
• Fraxinus sieboldiana — Japanese flowering ash
• Fraxinus sieboldiana 'Rising Sun' — Japanese flowering ash
• Fritillaria meleagris (mixed)
• Fritillaria persica
• Fritillaria uva-vulpis
• Fritillaria verticillata
• Fuchsia hatschbachii — Hatschbach's fuchsia
• Fuchsia 'Sanihanf' — Angel Earrings Cascading fuchsia
• Fuchsia ('Sanihanf' ex)
• Fumana ericifolia

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G

• Gaillardia aestivalis 'Glitz 'n Glamour' — yellow lanceleaf blanketflower
• Gaillardia aestivalis var. winkleri — Texas firewheel
• Gaillardia aestivalis var. winkleri 'Grape Sensation' — purple Texas firewheel
• Galanthus 'Curly' — snowdrop
• Galanthus elwesii — snowdrop
• Galanthus elwesii 'Cedric's Prolific' — snowdrop
• Galanthus elwesii subsp. monostictus — one-spotted giant snowdrop
• Galanthus elwesii 'Polar Bear'
• Galanthus 'Fiona's Gold' — snowdrop
• Galanthus gracilis
• Galanthus (Greatorex double) — snowdrop
• Galanthus 'Heffalump' — snowdrop
• Galanthus 'Homersfield' — snowdrop
• Galanthus krasnovii
• Galanthus 'Longnor Hall'
• Galanthus nivalis
• Galanthus nivalis 'Flore Pleno'
• Galanthus nivalis 'Magnet' — snowdrop
• Galanthus nivalis 'Viridi-apice'
• Galanthus nivalis 'Warei'
• Galanthus plicatus subsp. byzantinus 'Three Ships' — Turkish snowdrop
• Galanthus plicatus 'Wandlebury Ring' — snowdrop
• Galanthus plicatus 'Wendy's Gold' — snowdrop
• Galanthus reginae-olgae — Queen Olga's snowdrop
• Galanthus reginae-olgae (John Lonsdale seedling)
• Galanthus reginae-olgae (Judith Tyler long pedicel)
• Galanthus 'Sam Arnott' — snowdrop
• Galanthus samothracicus
• Galanthus 'Wasp' — snowdrop
• Galanthus woronowii — giant snowdrop
• Galanthus (yellow edge) — snowdrop
• Galtonia candicans
• Gardenia '4Bellacj01' — Swan Maiden Cape jasmine
• Gardenia jasminoides — Cape jasmine
• Gardenia jasminoides (3rd gen. seedlings of 'Crown Jewel') — Cape jasmine
• Gardenia jasminoides 'Buttons' — Cape jasmine
• Gardenia jasminoides 'Chuck Hayes' — Cape jasmine
• Gardenia jasminoides 'Crown Jewel' — Cape jasmine
• Gardenia jasminoides 'Cutie Pie' — Cape jasmine
• Gardenia jasminoides 'Kaleidoscope' — Cape jasmine
• Gardenia jasminoides 'Kleim's Hardy' — Cape jasmine
• Gardenia jasminoides 'Leeone' — Jubilation Cape jasmine
• Gardenia jasminoides 'Lynn Lowrey' — Cape jasmine
• Gardenia jasminoides 'Madga 1' — Heaven Scent Cape jasmine
• Gardenia jasminoides 'Ogon-no-hana' — Gold Doubloon Cape jasmine
• Gardenia jasminoides 'SMNGDUO' — Pillow Talk Cape jasmine
• Gardenia jasminoides (variegated, double flower) — Cape jasmine
• Gardenia jasminoides (variegated, single flower) — Cape jasmine
• Gardenia jasminoides (variegated, single flower No. 2) — Cape jasmine
• Gardenia jasminoides 'Whispering Pines' — Cape jasmine
• Gardenia jasminoides 'White Gem' — Cape jasmine
• Gardenia 'PS-2013-3' — Sweetheart Cape jasmine
• Gardenia 'PS-2013-4' — Celestial Star Cape jasmine
• Gaultheria pyroloides — wintergreen
• Gaultheria shallon 'Gaulsid12' — Cascade Sunrise salal
• Gelasine elongata — dimpled iris
• Gelsemium sempervirens 'Pride of Augusta' — double Carolina jessamine
• Gentiana linearis
• Gentiana pneumonanthe
• Geranium ×cantabrigiense 'ABPP' — Crystal Rose cranesbill
• Geranium ×cantabrigiense 'Karmina' — cranesbill
• Geranium erianthum
• Geranium macrorrhizum 'Bevan's Variety' — geranium
• Geranium macrorrhizum 'Spessart' — cranesbill
• Geranium maculatum 'Espresso' — cranesbill
• Geranium ×oxonianum — hardy geranium
• Geranium ×oxonianum 'Claridge Druce' — cranesbill hardy geranium
• Geranium phaeum 'Samobor' — dusky cranesbill
• Geranium pratense 'Boom Chocolatta' — cranesbill
• Geranium ruprechtii — Caucasian cranesbill
• Geranium sanguineum 'Album' — bloody cranesbill
• Geranium sanguineum 'Glenluce' — bloody cranesbill
• Geranium sanguineum 'Max Frei' — bloody cranesbill
• Geranium sanguineum 'Pink Pouffe' (Jolly Jewel series) — bloody cranesbill
• Geranium sanguineum — Vision Violet bloody cranesbill
• Geranium 'Tiny Monster' — hardy geranium
• Geranium tuberosum
• Geranium versicolor
• Geranium yoshinoi
• Gerbera — Garvinea Sweet Dreams Gerber daisy
• Ginkgo biloba — maidenhair tree
• Ginkgo biloba 'Aquatorium' — maidenhair tree
• Ginkgo biloba 'Blagon' — Goldspire maidenhair tree
• Ginkgo biloba 'Gnome' — maidenhair tree
• Ginkgo biloba 'Jagged Jade' — maidenhair tree
• Ginkgo biloba 'Jehoshaphat' — maidenhair tree
• Ginkgo biloba 'JN9' — Sky Tower maidenhair tree
• Ginkgo biloba 'Majestic Butterfly' — maidenhair tree
• Ginkgo biloba 'Mariken' — maidenhair tree
• Ginkgo biloba 'Mayfield' — maidenhair tree
• Ginkgo biloba 'Munchkin' — maidenhair tree
• Ginkgo biloba 'Pendula' — maidenhair tree
• Ginkgo biloba 'Robbie's Twist' — maidenhair tree
• Ginkgo biloba 'Ross Moore' — maidenhair tree
• Ginkgo biloba 'Saratoga' — maidenhair tree
• Ginkgo biloba 'Sunstream' — maidenhair tree
• Ginkgo biloba 'Troll' — maidenhair tree
• Ginkgo biloba 'Tschi Tschi' — maidenhair tree
• Ginkgo biloba 'Weeping Wonder' — maidenhair tree
• Ginkgo biloba 'White Lightning' — maidenhair tree
• Gladiolus 'Atomic'
• Gladiolus communis — gladiolus
• Gladiolus dalenii 'Bolivian Peach' — African gladiolus
• Gladiolus dalenii 'Halloweenie' — African gladiolus
• Gladiolus 'Flevo Jive'
• Gladiolus 'Flevo Kosmic' — hybrid gladiolus
• Gladiolus ×gandavensis — hybrid gladiolus
• Gladiolus nanus 'Halley'
• Gladiolus papilio — butterfly gladiolus
• Gladiolus saundersii — gladiola
• Gladiolus 'Zizane'
• Glandularia '2305C-54'
• Glandularia canadensis — rose verbena
• Glandularia canadensis (white) — rose verbena
• Glandularia — Empress Sun White Blush verbena
• Glandulicactus uncinatus
• Glaucium squamigerum
• Gleditsia japonica var. koraiensis — Korean honey locust
• Gleditsia triacanthos 'JFS GMorgenson1' — Northern Sentinel honey locust
• Globularia bisnagarica — ball flower
• Globularia cordifolia — globe daisy
• Globularia pseudo-nana
• Globularia valentina — globe daisy
• Gloriosa superba — gloriosa lily
• Gloriosa superba 'Rothschildiana' — gloriosa lily
• Gomphostigma virgatum
• Gorgonidium intermedium
• Grevillea australis — spider flower
• Grevillea 'Neil Bell' — spider flower
• Grindelia aegialitis
• Gymnocalycium andreae
• Gymnocalycium deeszianum — barrel cactus
• Gymnocladus dioicus 'Kentucky Colonel' — Kentucky coffeetree
• Gypsophila briquetiana

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H

• Habranthus — hybrid rain-lily
• Habranthus 'Candy Cane'
• Habranthus ×floryi (purple base) — hybrid rain-lily
• Habranthus gracilifolius
• Habranthus (hot pink) — rain-lily
• Habranthus martinezii
• Habranthus 'Pink Flamingos' — hybrid rain-lily
• Habranthus robustus — rain-lily
• Habranthus robustus 'Russell Manning' — rain-lily
• Habranthus tubispathus var. roseus — rain-lily
• Habranthus tubispathus var. texanus — copper lily
• Hakea nodosa
• Hakonechloa macra 'All Gold' — Japanese forest grass
• Halesia diptera — two-winged silverbell
• Halesia diptera var. magniflora — two-winged silverbell
• Halesia tetraptera 'Silver Splash' — Carolina silverbell
• Hamamelis 'Doerak' — witch hazel
• Hamamelis ×intermedia 'Antonieta' — witch hazel
• Hamamelis ×intermedia 'Barbara' — witchhazel
• Hamamelis ×intermedia 'Basma' — witchhazel
• Hamamelis ×intermedia 'Candlelit Vigil' — witchhazel
• Hamamelis ×intermedia 'Diane' — witch hazel
• Hamamelis ×intermedia 'Feuerzauber' — witch hazel
• Hamamelis ×intermedia 'Jelena' — witch hazel
• Hamamelis ×intermedia 'Orange Peel' — witch hazel
• Hamamelis ×intermedia 'Rubinstar' — witch hazel
• Hamamelis ×intermedia 'Tsukuba-no-Kurenai' — witch hazel
• Hamamelis japonica 'Little Yamaguchi' — dwarf Japanese witch hazel
• Hamamelis mollis 'Early Bright' — Chinese witch hazel
• Hamamelis ovalis — running witch hazel
• Hamamelis vernalis — Ozark witch hazel
• Hamamelis vernalis 'Blue Moon' — Ozark witch hazel
• Hamamelis vernalis 'Burmazam' — Burndt Mahogany Ozark witch hazel
• Hamamelis vernalis 'Christmas Cheer' — Ozark witch hazel
• Hamamelis vernalis 'Goleczam' — Golden Eclipse Ozark witch hazel
• Hamamelis vernalis 'KLMNINETEEN' — Autumn Embers Ozark witch hazel
• Hamamelis vernalis 'Quasimodo' — Ozark witch hazel
• Hamamelis vernalis 'Squib' — Ozark witch hazel
• Hamamelis virginiana var. henryae — small-leaved witch hazel
• Hamamelis virginiana 'Ice Queen' — witchhazel
• Hamamelis virginiana 'Little Prospect' — common witch hazel
• Hamamelis virginiana var. mexicana — Mexican witch hazel
• Harperocallis flava — Harper's beauty
• Hedera canariensis 'Gloire de Marengo' — Canary Island ivy
• Hedera colchica — Persian ivy
• Hedera colchica 'Dentata' (adult form) — Persian ivy
• Hedera colchica 'Sulphur Heart' — Persian ivy
• Hedera helix — English ivy
• Hedera helix 'Glacier' — English ivy
• Hedera helix 'Glacier' (adult form) — English ivy
• Hedera helix 'Lexington Gardens' — English ivy
• Hedera nepalensis
• Hedera pastuchovii (adult form) — Russian ivy
• Hedera rhombea 'Creme de Menthe' — variegated adult Japanese ivy
• Hedera rhombea 'Korean Dwarf' — Japanese ivy
• Hedera rhombea 'Ryukyu Island' — Japanese ivy
• Hedychium — ginger lily
• Hedychium 'Betty Hodge' — hardy ginger lily
• Hedychium coccineum — red ginger lily
• Hedychium coccineum 'Disney' — red ginger lily
• Hedychium coronarium — butterfly ginger lily
• Hedychium 'Daniel Weeks' — hardy ginger lily
• Hedychium deceptum — red ginger lily
• Hedychium 'Dr. Moy' — ginger lily
• Hedychium (dwarf orange) — ginger lily
• Hedychium 'Elizabeth' — ginger lily
• Hedychium (ex. 'Slim's Orange') — ginger lily
• Hedychium gardnerianum 'Extendum' — kahili ginger
• Hedychium aff. gardnerianum (Hinkley Arunachal Pradesh 2018) — kahili ginger
• Hedychium gardnerianum 'Tara' — kahili ginger
• Hedychium 'Gold Flame' — hardy ginger lily
• Hedychium 'Golden Butterfly' — ginger lily
• Hedychium 'Hawaiian Pink' — ginger lily
• Hedychium horsfieldii — Java ginger lily
• Hedychium ×kewense — ginger lily
• Hedychium 'Kinkaku' — ginger lily
• Hedychium 'Molten Gold' — ginger lily
• Hedychium 'Moy Giant' — ginger lily
• Hedychium 'Peach Delight' — ginger lily
• Hedychium 'Pink Princess' — ginger lily
• Hedychium 'Pink V' — ginger lily
• Hedychium 'Sherry Baby' — ginger lily
• Hedychium 'Slim's Orange' — hardy ginger lily
• Hedychium stenopetalum — ginger lily
• Hedychium 'Tai Conch Pink' — ginger lily
• Hedychium 'Tai Emperor' — pink ginger lily
• Hedychium 'Tai Golden Goddess' — ginger lily
• Hedychium 'Tai Savannah' — ginger lily
• Hedychium aff. tengchongense — ginger lily
• Hedychium thyrsiforme × H. maximum — ginger lily
• Hedychium 'Vanilla Ice' — variegated ginger lily
• Hedychium (Vietnam) — ginger lily
• Hedychium 'White Starburst' — ginger lily
• Heimia salicifolia — shrubby yellowcrest
• Helianthella quinquenervis
• Helianthemum lippii
• Helianthus angustifolius — swamp sunflower
• Helianthus heterophyllus — variableleaf sunflower
• Helianthus simulans — swamp sunflower
• Heliotropium amplexicaule — clasping heliotrope
• Heliotropium 'WNHPAULAV'
• Helleborus — hellebore
• Helleborus 'ABCRD01' — Penny's Pink lenten rose
• Helleborus 'Abcrd02' — Frostkiss Anna's Red lenten rose
• Helleborus argutifolius — Corsican hellebore
• Helleborus atrorubens
• Helleborus ×ballardiae 'Coseh 720' — Spring Party hybrid hellebore
• Helleborus ×ballardiae 'Coseh 810' — HGC Merlin hybrid hellebore
• Helleborus ×ballardiae 'Raulston Remembered' — hybrid hellebore
• Helleborus bocconei
• Helleborus croaticus — Croatian hellebore
• Helleborus croaticus 'Bells of the Ball' — Croatian hellebore
• Helleborus 'Epb 20'
• Helleborus 'Epb 29' — Frostkiss Dorothy's Dawn hybrid hellebore
• Helleborus 'Epb 30' — Frostkiss Dana's Dulcet hybrid hellebore
• Helleborus ×ericsmithii — hellebore
• Helleborus ×ericsmithii 'Coseh 790' — HGC Shooting Star hybrid hellebore
• Helleborus ×ericsmithii 'Pirouette' — hybrid hellebore
• Helleborus ×ericsmithii 'Winter Moonbeam' — hybrid hellebore
• Helleborus ×ericsmithii 'Winter Sunshine' — hybrid hellebore
• Helleborus foetidus — bear's foot hellebore
• Helleborus foetidus 'Gold Bullion' — golden bear's foot hellebore
• Helleborus foetidus 'Piccadilly' — bear's foot hellebore
• Helleborus foetidus 'Pontarlier' — bear's foot hellebore
• Helleborus ×glandorfensis 'Coseh 4100' — HGC Ice 'N Roses Red hybrid hellebore
• Helleborus ×glandorfensis 'Coseh 4500' — HGC Ice N' Roses White hybrid hellebore
• Helleborus ×glandorfensis 'COSEH 5000' — Ice N' Roses Picotee hybrid hellebore
• Helleborus ×glandorfensis 'COSEH 5100' — Ice N' Roses Dark Picotee hybrid hellebore
• Helleborus ×glandorfensis 'Coseh 5400' — Ice N' Roses Rosado lenten rose
• Helleborus ×glandorfensis — HGC Ice N' Roses Rose hybrid hellebore
• Helleborus ×hybridus — Lenten rose
• Helleborus ×hybridus (Ashwood Garden hybrids) — Lenten rose
• Helleborus ×hybridus (best yellow) — Lenten rose
• Helleborus ×hybridus 'Cattleya Semline' — Lenten rose
• Helleborus ×hybridus (dark pink shades) — Lenten rose
• Helleborus ×hybridus 'Golden Sunrise' — Winter Jewels Lenten rose
• Helleborus ×hybridus × H. multifidus subsp. hercegovinus
• Helleborus ×hybridus (mid-pink shades) — Lenten rose
• Helleborus ×hybridus (pale pink shades) — Lenten rose
• Helleborus ×hybridus 'Peppermint Ice' — Winter Jewels Lenten rose
• Helleborus ×hybridus 'Red Lady' — Lenten rose
• Helleborus ×hybridus (Royal Heritage strain) — Lenten rose
• Helleborus ×hybridus (variegated) — Lenten rose
• Helleborus liguricus — hellebore
• Helleborus niger — Christmas rose
• Helleborus ×nigercors 'Honeyhill Joy' — christmas rose
• Helleborus odorus — fragrant hellebore
• Helleborus 'Rd09'
• Helleborus 'Rio Carnival' — Honeymoon hellebore
• Helleborus ×sternii — Stern's hybrid hellebore
• Helleborus ×sternii (Montrose strain) — Stern's hybrid hellebore
• Helleborus
• Helleborus
• Helleborus torquatus — collared hellebore
• Helleborus viridis — green hellebore
• Helwingia chinensis var. crenata
• Helwingia chinensis 'Raulston King' — Chinese helwingia
• Helwingia japonica — Japanese helwingia
• Helwingia japonica (heavy variegation) — variegated Japanese helwingia
• Helwingia japonica var. japonica — Japanese helwingia
• Helwingia japonica (variegated)
• Helwingia omeiensis — Mt. Emei helwingia
• Hemerocallis — daylily
• Hemerocallis altissima 'Flyover' — night-blooming daylily
• Hemerocallis — Apricot Towers daylily
• Hemerocallis 'Autumn Minaret' — daylily
• Hemerocallis 'Autumn Pioneer' — daylily
• Hemerocallis 'Autumn Prince' — daylily
• Hemerocallis — aff. 'Berwyn' daylily
• Hemerocallis 'Bitsy' — daylily
• Hemerocallis 'Black Arrowhead' — daylily
• Hemerocallis 'Calypso' — daylily
• Hemerocallis 'Challenger' — daylily
• Hemerocallis citrina — daylily
• Hemerocallis 'Colonel Southall' — daylily
• Hemerocallis coreana — daylily
• Hemerocallis 'Cosmic Struggle' — daylily
• Hemerocallis 'Darrow' — daylily
• Hemerocallis fulva — orange daylily
• Hemerocallis fulva var. littorea — coastal daylily
• Hemerocallis 'Going Bananas' — daylily
• Hemerocallis 'Hint of Blue' — daylily
• Hemerocallis 'Jordan's Jazz' — daylily
• Hemerocallis 'Lady Fingers' — daylily
• Hemerocallis 'Leebea Orange Crush' — daylily
• Hemerocallis 'Lil' Red Wagon' — daylily
• Hemerocallis nana — daylily
• Hemerocallis 'Neon Flamingo' — daylily
• Hemerocallis 'Nona's Garnet Spider' — daylily
• Hemerocallis 'Nosferatu' — daylily
• Hemerocallis 'Penny's Worth' — daylily
• Hemerocallis 'Primal Scream' — daylily
• Hemerocallis 'Pterodactyl Eye' — daylily
• Hemerocallis 'Purity' — daylily
• Hemerocallis 'Ruby Spider' — daylily
• Hemerocallis 'Shelby's' — daylily
• Hemerocallis 'Siloam Peony Display' — daylily
• Hemerocallis 'South Seas' — daylily
• Hemerocallis 'Statuesque' — daylily
• Hemerocallis 'Taos' — daylily
• Hemerocallis 'Thin Man' — daylily
• Hemerocallis 'Tiger Blood' — daylily
• Hemerocallis 'VT Spirit' — daylily
• Hemerocallis yezoensis — daylily
• Hemiboea — hemiboea
• Hemiboea bicornuta
• Hemiboea gracilis — slender false sinningia
• Hemiboea subacaulis var. jiangxiensis 'Jiangxi Bells' — false sinningia
• Hemiboea subcapitata — glossy false sinningia
• Heptacodium miconioides — seven-son flower
• Heptapleurum
• Heptapleurum delavayi — hardy schefflera
• Heptapleurum delavayi 'Windcliff Lace' — Delavay's schefflera
• Herbertia pulchella — Herbert's iris
• Hermodactylus tuberosus
• Hertia cheirifolia — barbary ragwort
• Hesperaloe 'Arizona Sunset' — red yucca
• Hesperaloe campanulata — bell flower hesperaloe
• Hesperaloe campanulata (Sierra Chiquita form) — bell flower hesperaloe
• Hesperaloe funifera — false yucca
• Hesperaloe parviflora — red yucca
• Hesperaloe parviflora 'Arizona Sunrise' — red yucca
• Hesperaloe parviflora 'Coral Glow' — red yucca
• Hesperaloe parviflora 'Straight Up Red' — red yucca
• Heteropterys angustifolia — narrowleaf redwing
• Heteropterys glabra — redwing
• Heuchera 'Big Top Caramel Apple' — coral bells
• Heuchera 'Black Pearl' — coral bells
• Heuchera 'Carnival Burgundy Blast' — coral bells
• Heuchera 'Forever Purple' — coral bells
• Heuchera himalayensis — Himalayan coral bells
• Heuchera 'Peach Smoothie'
• Heuchera 'Southern Comfort' — coral bells
• Heuchera 'Steel City' — coral bells
• Heuchera
• Heuchera
• Heuchera 'Tnheueb' — Northern Exposure Black coral bells
• Heuchera 'Tnheuga' — Grande Amethyst coral bells
• Heuchera 'Tnheugb' — Grande Black coral bells
• Heuchera 'Tnheunel' — Northern Exposure Lime coral bells
• Heuchera 'Tnheunep' — Northern Exposure Purple coral bells
• Heuchera 'Tnheuner' — Northern Exposure Red coral bells
• Heuchera 'Tnheunes' — Northern Exposure Silver coral bells
• Heuchera tuckasegeensis 'Purple Belly'
• Heuchera villosa 'Autumn Bride' — coral bells
• Heuchera villosa 'Hulk'
• Hibiscus — mallow
• Hibiscus '21P03' — mallow
• Hibiscus 'Airbrush Effect' — mallow
• Hibiscus 'All Eyes on Me' — Summerific mallow
• Hibiscus 'Cherry Cheesecake' — Summerific rose mallow
• Hibiscus 'Cherry Choco Latte' — Summerific mallow
• Hibiscus coccineus — scarlet mallow
• Hibiscus coccineus f. albus — white-flowered scarlet rose mallow
• Hibiscus ferrugineus — rusty hibiscus
• Hibiscus 'Fireball' — mallow
• Hibiscus grandiflorus — swamp rose-mallow
• Hibiscus 'Happa Red' — Big Hit mallow
• Hibiscus 'Holly Springs' — mallow
• Hibiscus 'Jackie Grant' — mallow
• Hibiscus laevis — mallow
• Hibiscus 'Lohengrin' — mallow
• Hibiscus 'Marshmallow Moon' — rose mallow
• Hibiscus mutabilis — Confederate rose
• Hibiscus paramutabilis — everblooming Confederate rose
• Hibiscus 'Peppermint Flare' — mallow
• Hibiscus 'Rubrum' — mallow
• Hibiscus sinosyriacus 'Lilac Queen' — Chinese rose-of-Sharon
• Hibiscus cf. striatus — rosa del rio
• Hibiscus striatus subsp. lambertianus — striped rose mallow
• Hibiscus 'Summer Carnival' — mallow
• Hibiscus 'Summer Storm' — mallow
• Hibiscus syriacus 'America Irene Scott' — Sugar Tip variegated rose-of-Sharon
• Hibiscus syriacus 'Boule de Feu' — rose-of-Sharon
• Hibiscus syriacus 'Buddha Belly' — rose-of-Sharon
• Hibiscus syriacus 'Diana' — rose-of-Sharon
• Hibiscus syriacus 'DS03RS' — Raspberry Smoothie rose-of-Sharon
• Hibiscus syriacus 'Floru' — Violet Satin rose-of-Sharon
• Hibiscus syriacus 'Gandini Santiago' — Purple Pillar rose-of-Sharon
• Hibiscus syriacus 'Gandini van Aart' — White Pillar rose-of-Sharon
• Hibiscus syriacus 'Helene' — rose-of-Sharon
• Hibiscus syriacus 'Marina' — Blue Satin rose-of-Sharon
• Hibiscus syriacus 'Meehanii' — variegated rose-of-Sharon
• Hibiscus syriacus 'Minerva' — rose-of-Sharon
• Hibiscus syriacus 'Oiseau Bleu' — rose-of-Sharon
• Hibiscus syriacus (white leaves) — rose-of-Sharon
• Hibiscus — Tamus 171351E mallow
• Hibiscus 'TAMUS 171845-2W DL' — Plum Brandy mallow
• Hibiscus 'Tosca' — mallow
• Hibiscus 'Valentine's Crush' — Summerific mallow
• Hieracium maculatum 'Leopard'
• ×Hippeasprekelia — hybrid amaryllis
• ×Hippeasprekelia 'Durga Pradhan' — hybrid amaryllis
• Hippeastrum — garden amaryllis
• Hippeastrum ×ackermanii
• Hippeastrum 'Acropolis' — garden amaryllis
• Hippeastrum 'Alfresco'
• Hippeastrum 'Aphrodite'
• Hippeastrum 'Apple Blossom' — garden amaryllis
• Hippeastrum 'Baby Star'
• Hippeastrum 'Barotse' — garden amaryllis
• Hippeastrum 'Cocktail' — garden amaryllis
• Hippeastrum 'Exotic Star'
• Hippeastrum 'Fanfare'
• Hippeastrum 'Hercules' — garden amaryllis
• Hippeastrum ×johnsonii — St. Joseph's lily
• Hippeastrum 'Lemon Star'
• Hippeastrum 'Milady' — garden amaryllis
• Hippeastrum 'Picotee' — garden amaryllis
• Hippeastrum 'Red Lion' — garden amaryllis
• Hippeastrum 'Safari' — garden amaryllis
• Hippeastrum 'Sun Dance' — garden amaryllis
• Hippeastrum 'Sweet Star'
• Hippeastrum 'Vera' — garden amaryllis
• Hippeastrum 'Voodoo' — garden amaryllis
• Hippeastrum 'Wedding Dance'
• Hippeastrum yungacense — Bolivian amaryllis
• Hosta — garden hosta
• Hosta 'Age of Gold' — hosta
• Hosta 'Autumn Frost' — hosta
• Hosta 'Blonde Ambition' — hosta
• Hosta 'Blue Cadet' — blue leaf hosta
• Hosta 'Blue Jay' — hosta
• Hosta 'Blue Mouse Ears' — hosta
• Hosta 'Branching Out' — hosta
• Hosta 'Carolina Sunshine' — hosta
• Hosta 'Dancing Queen' — hosta
• Hosta 'Duchess' — variegated hosta
• Hosta 'Earth Angel' — hosta
• Hosta 'El Niño' — hosta
• Hosta 'Elvis Lives' — hosta
• Hosta 'Empress Wu' — hosta
• Hosta 'Fried Bananas' — hosta
• Hosta 'Gold Edger' — hosta
• Hosta 'Golden Tiara' — hosta
• Hosta 'Grand Prize' — hosta
• Hosta 'Grand Tiara' — variegated hosta
• Hosta 'Halcyon' — hosta
• Hosta 'Hans' — variegated hosta
• Hosta 'Hans Solo' — hosta
• Hosta 'Hudson Bay' — variegated hosta
• Hosta 'Hush Puppy' — hosta
• Hosta 'Jilan' — hosta
• Hosta 'June' — hosta
• Hosta kikutii var. caput-avis — bowing hosta
• Hosta kiyosumiensis — mountain hosta
• Hosta 'Komodo Dragon' — hosta
• Hosta longipes var. gracillima
• Hosta 'Loyalist' — hosta
• Hosta 'Luna Moth' — variegated hosta
• Hosta 'Mouse Trap' — hosta
• Hosta nakaiana — ornamental hairpin hosta
• Hosta 'Paradigm' — variegated hosta
• Hosta plantaginea — fragrant hosta
• Hosta 'Prairie Sky' — hosta
• Hosta 'Regal Splendor' — variegated hosta
• Hosta 'Rhino Hide' — hosta
• Hosta 'Royal Tiara' — hosta
• Hosta 'Rubies and Ruffles' — hosta
• Hosta 'Seducer' — variegated hosta
• Hosta sieboldiana — Siebold's hosta
• Hosta sieboldiana 'Frances Williams' — Siebold's hosta
• Hosta 'Silver Bullet' — hosta
• Hosta 'Stained Glass' — hosta
• Hosta 'Sugar and Spice' — hosta
• Hosta 'Tongue Lashing' — hosta
• Hosta tsushimensis — hosta
• Hosta tsushimensis var. tibae — Nagasaki hosta
• Hosta 'Vanilla Bean' — hosta
• Hosta ventricosa — blue hosta
• Hosta 'Victory' — hosta
• Hosta 'Wheee!' — variegated hosta
• Hosta 'Winsome' — hosta
• Hosta 'Yellow Splash Rim' — variegated hosta
• Hosta yingeri — Yinger's hosta
• Hovenia trichocarpa var. robusta
• ×Howardara 'Riley Kate' — hybrid rain lily
• Huodendron tibeticum — Tibetan jasmine
• Hyacinthoides ciliolata
• Hyacinthoides hispanica — Spanish bluebell
• Hyacinthoides hispanica 'Alba' — white Spanish bluebell
• Hyacinthoides hispanica 'City of Haarlem' — Spanish bluebell
• Hyacinthoides hispanica 'Dainty Maid' — pink Spanish bluebell
• Hyacinthoides hispanica 'Excelsior' — Spanish bluebell
• Hyacinthoides hispanica 'Queen of Pinks' — pink Spanish bluebell
• Hyacinthoides hispanica 'White City'
• Hyacinthoides non-scripta — English bluebells
• Hyacinthus 'Anastacia'
• Hyacinthus orientalis 'Apricot Passion'
• Hyacinthus orientalis 'Blue Festival' — garden hyacinth
• Hyacinthus orientalis 'Carnegie' — garden hyacinth
• Hyacinthus orientalis 'Gipsy Queen' — garden hyacinth
• Hyacinthus orientalis 'Pink Festival' — garden hyacinth
• Hyacinthus orientalis 'Pink Pearl'
• Hyacinthus orientalis 'White Festival' — garden hyacinth
• Hyacinthus orientalis 'Yellow Queen' — garden hyacinth
• Hyalis argentea
• Hydrangea
• Hydrangea 'After Midnight' — mophead hybrid hydrangea
• Hydrangea anomala subsp. petiolaris 'Early Light' — climbing hydrangea
• Hydrangea anomala subsp. petiolaris 'Miranda' — climbing hydrangea
• Hydrangea anomala (Yakushima fragrant)
• Hydrangea arborescens 'Annabelle' — mophead smooth hydrangea
• Hydrangea arborescens subsp. arborescens — smooth hydrangea
• Hydrangea arborescens 'Haas' Halo' — smooth hydrangea
• Hydrangea arborescens 'Mary Nell' — smooth hydrangea
• Hydrangea arborescens 'NCHA3' — Invincibelle Ruby smooth hydrangea
• Hydrangea arborescens 'NCHA4' — Incrediball Blush smooth hydrangea
• Hydrangea arborescens 'NCHA5' — Invincibelle Wee White smooth hydrangea
• Hydrangea arborescens 'NCHA6' — Invincibelle Garnetta smooth hydrangea
• Hydrangea arborescens 'NCHA7' — Invincibelle Mini Mauvette smooth hydrangea
• Hydrangea arborescens (yellow leaf, red flower) — smooth hydrangea
• Hydrangea fauriei
• Hydrangea hirta — nettle-leaved hydrangea
• Hydrangea hydrangeoides 'Moonlight' — Japanese climbing hydrangea
• Hydrangea hydrangeoides 'Strawberry Leaf' — Japanese climbing hydrangea
• Hydrangea involucrata 'Wim Rutten' — Blue Bunny compact bracted hydrangea
• Hydrangea involucrata 'Yokudanka'
• Hydrangea longipes
• Hydrangea longipes var. fulvescens — long-footed hydrangea
• Hydrangea luteovenosa 'Aureovariegata' — sweet hydrangea
• Hydrangea macrophylla — bigleaf hydrangea
• Hydrangea macrophylla 'Ayesha' — bigleaf hydrangea
• Hydrangea macrophylla 'Bailmacseven' — First Editions Eclipse bigleaf hydrangea
• Hydrangea macrophylla 'Big Daddy' — bigleaf hydrangea
• Hydrangea macrophylla 'Blaumeise' — bigleaf hydrangea
• Hydrangea macrophylla 'Blue Heaven' — Forever & Ever Blue Heaven bigleaf hydrangea
• Hydrangea macrophylla 'Blushing Bride' — bigleaf hydrangea
• Hydrangea macrophylla 'Cardinal Red' — bigleaf hydrangea
• Hydrangea macrophylla 'Dancing Snow' — bigleaf hydrangea
• Hydrangea macrophylla 'David Ramsey' — bigleaf hydrangea
• Hydrangea macrophylla 'Decatur Blue' — everblooming bigleaf hydrangea
• Hydrangea macrophylla 'Dooley' — mophead bigleaf hydrangea
• Hydrangea macrophylla 'Early Sensation' — Forever & Ever bigleaf hydrangea
• Hydrangea macrophylla 'Frau Reiko' — bigleaf hydrangea
• Hydrangea macrophylla 'Fuji Waterfall' — bigleaf hydrangea
• Hydrangea macrophylla 'Goliath' — mophead bigleaf hydrangea
• Hydrangea macrophylla 'Hatsushimo' — bigleaf hydrangea
• Hydrangea macrophylla 'Kompeito' — Double Delights Star Gazer bigleaf hydrangea
• Hydrangea macrophylla 'Lady in Red' — lacecap bigleaf hydrangea
• Hydrangea macrophylla 'Mariesii Perfecta' — bigleaf hydrangea
• Hydrangea macrophylla 'Mariesii Variegata' — variegated bigleaf hydrangea
• Hydrangea macrophylla ('Mariesii Variegata' new sport) — variegated bigleaf hydrangea
• Hydrangea macrophylla 'McKay' — Cherry Explosion bigleaf hydrangea
• Hydrangea macrophylla 'Möwe' — bigleaf hydrangea
• Hydrangea macrophylla 'Nickanyana' — bigleaf hydrangea
• Hydrangea macrophylla 'Oak Hill' — bigleaf hydrangea
• Hydrangea macrophylla 'PIIHM-I' — Twist-n-Shout bigleaf hydrangea
• Hydrangea macrophylla 'PIIHM-II' — Endless Summer BloomStruck bigleaf hydrangea
• Hydrangea macrophylla (red leaf, lilac) — bigleaf hydrangea
• Hydrangea macrophylla 'Yuki temari' — bigleaf hydrangea
• Hydrangea macrophylla 'Zorro' — bigleaf hydrangea
• Hydrangea megalocarpa — hydrangea vine
• Hydrangea paniculata 'Bombshell' — panicle hydrangea
• Hydrangea paniculata 'Brussels Lace' — panicle hydrangea
• Hydrangea paniculata (ex. 'Dharuma') — panicle hydrangea
• Hydrangea paniculata 'Ilvobo' — Bobo panicle hydrangea
• Hydrangea paniculata 'Limelight' — panicle hydrangea
• Hydrangea paniculata 'PIIHP-I' — Baby Lace panicle hydrangea
• Hydrangea paniculata 'Rendia' — Diamond Rouge panicle hydrangea
• Hydrangea paniculata 'Silver Dollar' — panicle hydrangea
• Hydrangea paniculata 'SMHPZIND' — Pillow Talk panicle hydrangea
• Hydrangea paniculata 'SMNHPRZEP' — Zinfin Doll panicle hydrangea
• Hydrangea paniculata 'Wim's Red' — Fire and Ice panicle hydrangea
• Hydrangea (pink form)
• Hydrangea platyarguta — tea of heaven
• Hydrangea platyarguta 'Kaeda' — tea of heaven
• Hydrangea quercifolia 'Alison' — oakleaf hydrangea
• Hydrangea quercifolia 'Brido' — Snowflake oakleaf hydrangea
• Hydrangea quercifolia 'Doughill' — Gatsby Star double oakleaf hydrangea
• Hydrangea quercifolia 'Emerald Lake' — oakleaf hydrangea
• Hydrangea quercifolia 'Flemygea' — Snow Queen oakleaf hydrangea
• Hydrangea quercifolia 'Ice Crystal' — oakleaf hydrangea
• Hydrangea quercifolia 'JoAnn' — Gatsby Pink oakleaf hydrangea
• Hydrangea quercifolia 'Little Honey' — golden oakleaf hydrangea
• Hydrangea quercifolia 'Lynn Lowrey' — oakleaf hydrangea
• Hydrangea quercifolia 'Munchkin' — oakleaf hydrangea
• Hydrangea quercifolia 'PIIHQ-I' — First Editions Jetstream compact oakleaf hydrangea
• Hydrangea quercifolia 'Ruby Slippers' — oakleaf hydrangea
• Hydrangea quercifolia 'Semmes Beauty' — oakleaf hydrangea
• Hydrangea quercifolia 'Sumatanga Star' — oakleaf hydrangea
• Hydrangea quercifolia 'Turkey Heaven' — oakleaf hydrangea
• Hydrangea aff. scandens — hydrangea
• Hydrangea seemannii — Seemann's hydrangea
• Hydrangea serrata — mountain hydrangea
• Hydrangea serrata 'Annie's Blue' — mountain hydrangea
• Hydrangea serrata 'Blue Billow' — mountain hydrangea
• Hydrangea serrata 'Grayswood' — mountain hydrangea
• Hydrangea serrata 'Hakusen' — mountain hydrangea
• Hydrangea serrata 'Intermedia' — mountain hydrangea
• Hydrangea serrata 'Kiyosumisawa' — mountain hydrangea
• Hydrangea serrata 'Kogane Suruge' — mountain hydrangea
• Hydrangea serrata 'Kokonoe-yama' — mountain hydrangea
• Hydrangea serrata 'Kurenai' — mountain hydrangea
• Hydrangea serrata 'Mountain Mojo' — mountain hydrangea
• Hydrangea serrata 'Ô Amacha Nishiki' — tea hydrangea
• Hydrangea serrata 'Shichidanka' — mountain hydrangea
• Hydrangea serrata 'SMNHSDD' — Tuff Stuff Ah-Ha mountain hydrangea
• Hydrangea serrata 'Woodlanders' — mountain hydrangea
• Hydrangea (sikokiana hybrid)
• Hydrangea aff. strigosa
• Hydrangea 'Summer Frost' — hybrid hydrangea
• Hydrangea viburnoides — evergreen climbing hydrangea
• Hydrangea
• Hydrangea xanthoneura var. setchuenensis — hanging bitter hydrangea
• Hylotelephium 'Back in Black' — tall sedum
• Hylotelephium 'Carl' — hybrid stonecrop
• Hylotelephium 'Cherry Truffle'
• Hylotelephium 'Firecracker' — SunSparkler stonecrop
• Hylotelephium 'Garbro' — Garnet Brocade stonecrop
• Hylotelephium 'Maestro' — hybrid stonecrop
• Hylotelephium 'Matrona' — hybrid stonecrop
• Hylotelephium 'Pure Joy' — hybrid stonecrop
• Hylotelephium spectabile '21P02' — showy stonecrop
• Hylotelephium spectabile 'Zi Juan' — Pink Sundae showy stonecrop
• Hylotelephium telephium
• Hylotelephium 'Thundercloud' — dwarf sedum
• Hylotelephium ussuriense 'Chuwangsan'
• Hymenocallis — spider lily
• Hymenocallis acutifolia
• Hymenocallis 'Advance'
• Hymenocallis caribaea 'Superstar'
• Hymenocallis choctawensis — Choctaw spiderlily
• Hymenocallis glauca — Oaxaca spider lily
• Hymenocallis (Guatemala form) — spider lily
• Hymenocallis harrisiana — St. Nicholas star
• Hymenocallis imperialis — Mexican spider lily
• Hymenocallis leavenworthii (Telos form) — spider lily
• Hymenocallis liriosme — Texas spiderlily
• Hymenocallis littoralis × liriosme — hybrid spider lily
• Hymenocallis puntagordensis
• Hymenocallis puntagordensis (Punta Gorda, FL form)
• Hymenocallis pygmaea 'Carolina Creeper' — dwarf spider lily
• Hymenocallis riparia — Mexican spider lily
• Hymenocallis cf. rotata (Lower Suwannee form) — streambank spiderlily
• Hymenocallis 'Sulphur Queen'
• Hymenocallis 'Tropical Giant' — spider lily
• Hypericum calycinum 'Crowthyp' — Fiesta St. John's-wort
• Hypericum cerastioides 'Silvana' — St. John's-wort
• Hypericum connatum — clasping St. John's wort
• Hypericum forrestii — Forrest St. John's-wort
• Hypericum ×inodorum 'Kolmades' — Magical Desire St. John's-wort
• Hypericum ×inodorum 'Kolmatri' — Magical Triumph St. John's-wort
• Hypericum latisepalum — St. John's-wort
• Hypericum lissophloeus — smoothbark St. John's-wort
• Hypericum lobocarpum — five-lobe St. John's-wort
• Hypericum nitidum 'Carolina Sunshine' — Carolina St. John's wort
• Hypericum oblongifolium — pendant St. John's-wort
• Hypericum prolificum — shrubby St. John's-wort
• Hypericum 'Red' — HyperBerries St. John's-wort
• Hypericum tetrapterum — St. John's-wort
• Hypoxis hemerocallidea — African star flower
• Hyssopus seravschanicus

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I

• Iberis sempervirens — candytuft
• Iberis sempervirens 'Snow White' — candytuft
• Iberis sempervirens 'Snowcone Forte' — candytuft
• Iberis sempervirens 'Snowdrift' — candytuft
• Iberis simplex — candytuft
• Ilex — holly
• Ilex 'Alabama Gold' — holly
• Ilex 'Apollo' — hybrid winterberry holly
• Ilex aquifolium 'Aurifodina' — variegated English holly
• Ilex ×attenuata — Topal holly
• Ilex ×attenuata 'Howard' — Topal holly
• Ilex ×attenuata 'Nasa' — dwarf Topal holly
• Ilex ×attenuata 'Pack's Weeping' — weeping Topal holly
• Ilex ×attenuata 'Sunny Foster' — Foster holly
• Ilex buergeri — Buerger holly
• Ilex 'Carolina Cardinal' — hybrid winterberry holly
• Ilex 'Carolina Cone' — holly
• Ilex 'Carolina Sentinel' — NCSU hybrid evergreen holly
• Ilex cassine var. angustifolia — narrow-leaf dahoon holly
• Ilex cassine 'Orton's Hybrid' — dahoon holly
• Ilex 'Cherry Bomb' — evergreen holly
• Ilex cornuta — Chinese holly
• Ilex cornuta 'D'Or' — Chinese holly
• Ilex cornuta (ex. 'Rotunda', gold leaf) — Chinese holly
• Ilex cornuta 'Greer' — Berries Jubilee Chinese holly
• Ilex cornuta 'Masashi's Gold' — Chinese holly
• Ilex cornuta 'O. Spring' — Chinese holly
• Ilex cornuta 'Sunrise' — Chinese holly
• Ilex cornuta ('Willowleaf' variegated) — Chinese holly
• Ilex crenata 'Adorned' — Japanese holly
• Ilex crenata 'Drops of Gold' — golden Japanese holly
• Ilex crenata 'Farrowone' — Sky Pointer upright Japanese holly
• Ilex crenata 'Golden Soft Touch' — Japanese holly
• Ilex crenata 'NCIC1' — Glow Pop Japanese holly
• Ilex crenata 'RutHol2' — Bullseye Japanese holly
• Ilex crenata 'RutHol3' — Jade Lance Japanese holly
• Ilex crenata 'Snowflake' — Japanese holly
• Ilex 'Dapat' — Miss Patricia evergreen holly
• Ilex decidua 'Midas' — possumhaw
• Ilex decidua (SFA No. 4) — possumhaw holly
• Ilex decidua 'Warren's Red' — possumhaw holly
• Ilex dimorphophylla — Okinawa holly
• Ilex dimorphophylla × I. cornuta — hybrid holly
• Ilex 'Dorothy Lawton' — Dodd hybrid evergreen holly
• Ilex 'HL10-90' — Christmas Jewel evergreen holly
• Ilex integra 'Green Shadow' — mochi tree
• Ilex integra × I. latifolia — hybrid holly
• Ilex integra 'Ogon' — mochi tree
• Ilex integra (variegated) — mochi tree
• Ilex (Jiangxi small leaves)
• Ilex ×koehneana 'Martha Berry' — Koehne holly
• Ilex 'Lady Spike' — holly
• Ilex latifolia — lusterleaf holly
• Ilex latifolia 'Gulino Gardens' — lusterleaf holly
• Ilex 'Mary Nell' — McDaniel hybrid evergreen holly
• Ilex maximowicziana
• Ilex micrococca — thin-leaf holly
• Ilex 'Mondo' — Little Rascal holly
• Ilex myrtifolia 'Duling's Variegated' — myrtle leaf holly
• Ilex 'Nellie R. Stevens' — holly
• Ilex ('Nellie R. Stevens' gold margin) — holly
• Ilex nipponica — holly
• Ilex opaca — American holly
• Ilex opaca 'Boiler Boy' — American holly
• Ilex opaca 'Clarendon Spreading' — compact American holly
• Ilex opaca 'Morgan Gold' — American holly
• Ilex opaca 'Rollover' — American holly
• Ilex opaca 'Royal Flush' — variegated American holly
• Ilex opaca 'Sundown' — American holly
• Ilex opaca 'William Hawkins' — narrowleaf American holly
• Ilex 'Orange You Pretty' — holly
• Ilex 'Patricia Varner' — Dodd hybrid evergreen holly
• Ilex aff. pedunculosa
• Ilex 'Philip Watson' — holly
• Ilex (pink flower clone 2)
• Ilex pubescens — downy holly
• Ilex purpurea — peach leaf holly
• Ilex 'Raritan Chief' — hybrid winterberry holly
• Ilex rotunda — round leaf holly
• Ilex rotunda (yellow fruit)
• Ilex 'Sadie Scudder' — variegated holly
• Ilex 'Scepter' — Kosar hybrid evergreen holly
• Ilex serrata — sawtooth holly
• Ilex 'Solar Flare' — holly
• Ilex aff. suaveolens
• Ilex suaveolens
• Ilex sugerokii subsp. longipedunculata — victorian holly
• Ilex 'Venus' — evergreen holly
• Ilex verticillata 'FARROWBPOP' — Berry Poppins winterberry holly
• Ilex verticillata 'FARROWMRP' — Mr. Poppins winterberry holly
• Ilex verticillata 'Golden Verboom' — yellow-berry winterberry holly
• Ilex verticillata 'NCIV1' — Little Goblin Red winterberry holly
• Ilex verticillata 'NCIV2' — Little Goblin Orange winterberry holly
• Ilex verticillata 'NCIV3' — Little Goblin Guy winterberry holly
• Ilex verticillata 'Red Sprite' — winterberry holly
• Ilex verticillata 'Scarlett O'Hara' — winterberry holly
• Ilex verticillata 'Winter Gold' — yellow-berry winterberry holly
• Ilex vomitoria 'Dare County' — orange-berry yaupon holly
• Ilex vomitoria 'Dodd's Cranberry' — yaupon holly
• Ilex vomitoria (dwarf gold sport) — yaupon holly
• Ilex vomitoria 'Gold Top' — yaupon holly
• Ilex vomitoria 'Lance's Weeper' — yaupon holly
• Ilex vomitoria 'Lowrey's Big Leaf' — yaupon holly
• Ilex vomitoria 'Mike James' — yaupon holly
• Ilex vomitoria 'Nana' — dwarf yaupon holly
• Ilex vomitoria 'Poole's Best' — yaupon holly
• Ilex vomitoria 'Saratoga Gold' — yellow-berry yaupon holly
• Ilex vomitoria 'Tricolor' — variegated yaupon holly
• Ilex vomitoria 'Wiggins' — yaupon holly
• Ilex vomitoria 'Yawkey' — yaupon holly
• Ilex ×wandoensis — Wando Island holly
• Ilex 'Whoa Nellie' — evergreen holly
• Illicium — anise
• Illicium anisatum — Japanese star anise
• Illicium anisatum 'Haku' — star anise
• Illicium anisatum 'Murasaki-no-sato' — Purple Glaze star anise
• Illicium anisatum (white chirifu) — star anise
• Illicium floridanum (AL variegated) — Florida anise
• Illicium floridanum f. album — white Florida anise
• Illicium floridanum f. album 'Semmes' — Florida anise
• Illicium floridanum 'Grey Ghost' — Florida anise
• Illicium floridanum 'Jo's Variegated' — variegated Florida anise
• Illicium floridanum 'Swamp Hobbit' — Florida anise
• Illicium henryi — Henry anise
• Illicium lanceolatum — Chinese anise
• Illicium macranthum — large-flowered anise tree
• Illicium merrillianum — anise shrub
• Illicium mexicanum 'Aztec Fire' — Mexican anise
• Illicium 'NCIH2' — Orion anise
• Illicium oligandrum — anise shrub
• Illicium parviflorum 'Florida Sunshine' — yellow anise
• Illicium parviflorum 'Forest Green' — yellow anise
• Illicium parviflorum (upright form)
• Illicium 'Ruby Stars' — anise
• Impatiens arguta — busy lizzie
• Impatiens omeiana — hardy impatiens
• Impatiens omeiana 'Ice Storm' — hardy impatiens
• Impatiens omeiana 'Silver Pink' — hardy impatiens
• Indigofera bungeana — false Indigo
• Indigofera decora f. alba — white Chinese indigo
• Indigofera dielsiana — Yunnan indigo
• Indigofera heterantha — Himalayan indigo
• Indigofera kirilowii 'Angyo Snow' — indigo
• Indigofera kirilowii 'Bernheim' — indigo
• Ipheion 'Alberto Castillo' — star flower
• Ipheion uniflorum — spring starflower
• Ipheion uniflorum 'Froyle Mill' — spring starflower
• Ipheion uniflorum 'Jessie' — spring starflower
• Ipheion uniflorum 'Rolf Fiedler' — spring starflower
• Ipheion uniflorum 'Tessa' — spring starflower
• Ipheion uniflorum 'White Star' — spring starflower
• Ipheion uniflorum 'Wisley Blue' — spring starflower
• Ipomoea bonariensis — tropical morning glory
• Iris — iris
• Iris 'Abbey Road'
• Iris 'Adopt Me' — intermediate bearded iris
• Iris 'Again and Again' — tall bearded reblooming iris
• Iris 'Alaska'
• Iris ×ampliflora 'Ming Treasure' — hybrid iris
• Iris 'Ann Chowning' — Louisiana iris
• Iris aphylla — stool iris
• Iris 'Baldwin'
• Iris 'Bayou Savage' — Louisiana iris
• Iris 'Bayou Short Stuff' — Louisiana iris
• Iris (bearded)
• Iris 'Berlin Network'
• Iris 'Bethany Claire'
• Iris 'Bewilderbeast'
• Iris 'Black Falls' — tall bearded iris
• Iris 'Black Gamecock' — Louisiana iris
• Iris 'Blue Magic'
• Iris 'Blue Review' — tall bearded reblooming iris
• Iris brevicaulis — zig zag iris
• Iris brevicaulis 'Mac's White'
• Iris 'Bronze Beauty'
• Iris bucharica — Bokhara iris
• Iris bungei — large bract iris
• Iris 'Cajun Sunrise' — Louisiana iris
• Iris (Cal-sib dwarf)
• Iris 'Carmen'
• Iris 'C'est Magnifique' — Louisiana iris
• Iris 'Change of Pace' — tall bearded iris
• Iris 'Clara Goula' — Louisiana iris
• Iris 'Clarence' — bearded iris
• Iris 'Clyde Redmond' — Louisiana iris
• Iris (crocea hybrid)
• Iris 'Crowned Heads' — tall bearded iris
• Iris 'Daughter of Stars' — tall bearded iris
• Iris delavayi — Delavay's iris
• Iris 'Dixie Deb' — Louisiana iris
• Iris 'Double Your Fun' — intermediate bearded iris
• Iris 'Dural White Butterfly' — Louisiana iris
• Iris 'Easter Tide' — louisiana iris
• Iris 'Emilie Dolge'
• Iris ensata 'Blue Spritz' — Japanese water iris
• Iris ensata 'Variegata' — Japanese water iris
• Iris 'Eolian' — Louisiana iris
• Iris 'Eye of the Tiger'
• Iris 'Fall Majesty' — tall bearded iris
• Iris 'Fall Spotlight' — reblooming tall bearded Iris
• Iris 'Finalist'
• Iris 'Flower Shower' — standard dwarf bearded iris
• Iris foetidissima
• Iris 'Freedom Song' — tall bearded iris
• Iris 'Frosted Olive'
• Iris fulva 'Wetora' — copper iris
• Iris ×germanica — German iris
• Iris ×germanica 'Rosalie Figge' — German iris
• Iris giganticaerulea 'Her Highness' — Louisiana iris
• Iris giganticaerulea (Nearwhite Boutte form)
• Iris 'Golden Beauty'
• Iris 'Golden Panther' — tall bearded iris
• Iris 'Grace Duhon' — Louisiana iris
• Iris graminea — plum-scented iris
• Iris 'Grape Reprise'
• Iris 'Harvest of Memories' — tall bearded iris
• Iris 'Hemstitched' — tall bearded iris
• Iris henryi
• Iris hexagona (recurved Hwy 98 form) — dixie iris
• Iris hexagona (St. Marks Midget form)
• Iris (Hickory Mound early form)
• Iris histrioides 'Finola' — reticulate iris
• Iris histrioides 'George' — reticulate iris
• Iris histrioides 'Polar Ice'
• Iris 'In Retrospect' — tall bearded reblooming iris
• Iris 'In Your Dreams' — tall bearded iris
• Iris 'Innocent Star'
• Iris 'James Dickenson'
• Iris 'Jane Troutman'
• Iris japonica 'Butterfly Dreams' — butterfly iris
• Iris japonica 'Porcelain Maiden' — butterfly iris
• Iris japonica 'Skirt Chaser' — evergreen butterfly iris
• Iris 'Jeri' — Louisiana iris
• Iris 'Kimboshi' — iris
• Iris 'King Creole' — Louisiana iris
• Iris 'Kissed by the Sun' — tall bearded iris
• Iris 'Kissie' — Louisiana iris
• Iris 'Kurokawa-Noh' — pseudata iris
• Iris lactea f. biglumis — Dalmatian iris
• Iris laevigata 'Murasaki' — water iris
• Iris lazica
• Iris 'Lilla' — tall bearded iris
• Iris 'Lilla Alberta'
• Iris 'Lilting' — 'lilting' tall bearded iris
• Iris longipetala
• Iris 'Lumalite' — standard dwarf bearded iris
• Iris 'Making Eyes' — Iris 'Making Eyes'
• Iris 'Mallory Kay' — tall bearded iris
• Iris mandshurica
• Iris 'Margaret Hunter' — Louisiana iris
• Iris 'Marie Dolores' — Louisiana iris
• Iris 'Marris' — intermediate bearded iris
• Iris melitta
• Iris 'Melted Butter' — tall bearded iris
• Iris 'Midnight Oil' — tall bearded iris
• Iris aff. milesii — red flower iris
• Iris 'My Fantasy'
• Iris 'Mystic Beauty'
• Iris 'Nada' — butterfly iris
• Iris nelsonii — Nelson's iris
• Iris 'Noble Lady' — tall bearded iris
• Iris notha
• Iris 'Now See This' — tall bearded iris
• Iris odaesanensis — Mt. Odae Iris
• Iris orientalis — iris of Rhodes
• Iris 'Othello' — tall bearded iris
• Iris oxypetala
• Iris pallida 'Variegata'
• Iris 'Panther'
• Iris 'Pauline' — netted iris
• Iris (peach)
• Iris 'Phil Edinger'
• Iris 'Picasso'
• Iris 'Pretty Princess' — intermediate bearded iris
• Iris 'Professor Paul' — Louisiana iris
• Iris ×pseudata 'Roryu' — hybrid iris
• Iris ×pseudata 'Sakai-no-Ogon' — hybrid iris
• Iris ×pseudata 'Yarai' — hybrid iris
• Iris 'Pure Sapphire' — tall bearded iris
• Iris 'Purring Tiger' — Siberian iris
• Iris 'Raspberry Silk' — border bearded iris
• Iris 'Redelta'
• Iris [Reticulata Group] 'Alida' — netted iris
• Iris [Reticulata Group] 'Cantab' — netted iris
• Iris [Reticulata Group] 'Gordon' — netted iris
• Iris [Reticulata Group] 'Harmony' — netted iris
• Iris [Reticulata Group] 'J. S. Dijt' — netted iris
• Iris [Reticulata Group] 'Pixie' — netted iris
• Iris [Reticulata Group] 'Rhapsody' — netted iris
• Iris [Reticulata Group] 'Spring Time' — netted iris
• Iris [Reticulata Group] 'Sunshine'
• Iris 'Ride the Tiger' — tall bearded iris
• Iris (rossi hybrid)
• Iris rossii — iris
• Iris 'Roy's Repeater'
• Iris ruthenica — dwarf iris
• Iris savannarum f. albispiritis
• Iris 'Say Okay'
• Iris schachtii
• Iris 'Sea Wisp' — Louisiana iris
• Iris setosa — beachhead iris
• Iris setosa 'Hokkaido Purple' — beachhead iris
• Iris 'Shire'
• Iris sibirica 'Black Joker' — Siberian iris
• Iris sibirica 'Kaboom' — Siberian iris
• Iris sibirica 'Lights of Paris' — Siberian iris
• Iris sibirica 'Roaring Jelly' — Siberian iris
• Iris 'Silver Beauty'
• Iris 'Sinfonietta' — Louisiana iris
• Iris sintenisii — spuria iris
• Iris 'Sky and Sun' — tall bearded iris
• Iris 'Sky Beauty'
• Iris 'Slovak Prince' — tall bearded iris
• Iris 'Sparkling'
• Iris 'Sparkling Rose' — Siberian iris
• Iris 'Spiced Tiger' — tall bearded iris
• Iris spuria subsp. carthaliniae — spuria iris
• Iris 'Starlight Starbright' — Louisiana iris
• Iris 'Summer Olympics'
• Iris 'Surf's Up'
• Iris 'Symphony' — tall bearded iris
• Iris (TB purple)
• Iris (TB unknown color)
• Iris tectorum — roof iris
• Iris tectorum 'Alba' — roof iris
• Iris tectorum (ex. Jiuzhaigou) — roof iris
• Iris tectorum 'Snow on the Roof'
• Iris 'Tenderly'
• Iris 'Time to Shine' — dwarf bearded iris
• Iris tridentata — savannah iris
• Iris tridentata (blue violet)
• Iris tridentata (near white)
• Iris tridentata (red violet) — Savannah Iris
• Iris typhifolia
• Iris 'Unchained Melody' — tall bearded iris
• Iris unguicularis — winter flowering iris
• Iris unguicularis subsp. cretensis 'Kotsifou Gorge'
• Iris unguicularis 'Dazzling Eyes'
• Iris unguicularis 'Winter Echoes' — Algerian iris
• Iris 'Vapor' — tall bearded iris
• Iris versicolor — northern blue flag
• Iris versicolor 'Purple Flame' — northern blue flag
• Iris 'Victoria Falls' — tall bearded iris
• Iris 'Violet Classic'
• Iris virginica 'Carl Amason' — Southern blue flag
• Iris virginica 'Contraband Girl' — southern blue flag
• Iris virginica 'Wetpearl' — southern blue flag
• Iris 'Vision in Pink' — tall bearded iris
• Iris (wattii × japonica 'BD') — hybrid iris
• Iris 'Wetsurp' — Louisiana iris
• Iris 'Wonders Never Cease'
• Iris xiphium
• Iris 'Yasha' — pseudata iris
• Ismene (Riverside form) — Peruvian daffodil
• Isodon longitubus — trumpet spurflower
• Isopyrum biternatum — false rue anemone
• Itea (cf. coriacea) — sweetspire
• Itea japonica — Japanese sweetspire
• Itea oldhamii — sweetspire
• Itea omeiensis — sweetspire
• Itea virginica 'Bailteaone' — Love Child Virginia sweetspire
• Itea virginica 'Henry's Garnet' — Virginia sweetspire
• Itea virginica 'Japanese American' — Virginia sweetspire
• Itea virginica 'Longspire' — Virginia sweetspire
• Itea virginica 'Morton' — Scarlet Beauty Virginia sweetspire
• Itea virginica 'Shirley's Compact' — miniature Virginia sweetspire
• Itea virginica 'SMNIVMM' — Fizzy Mizzy Virginia sweetspire
• Ixia paniculata 'Eos'

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J

• Janusia guaranitica
• Jasione montana
• Jasminum — jasmine
• Jasminum beesianum — red jasmine
• Jasminum mesnyi 'Gold Tip' — primrose jasmine
• Jasminum nudiflorum 'Aureum' — golden winter jasmine
• Jasminum officinale 'Devon Cream' — jasmine
• Jasminum officinale 'Frojas' — Fiona Sunrise jasmine
• Juncus — rush
• Juncus (curly leaf) — corkscrew rush
• Juncus effusus f. spiralis 'Big Twister' — corkscrew rush
• Juncus inflexus 'Blue Arrows' — European meadow rush
• Juncus inflexus
• Juncus pallidus 'Javelin' — giant rush
• Juncus patens 'Carman's Gray' — spreading rush
• Juncus tenuis 'Blue Dart' — rush
• Juniperus barbadensis var. luceyana — Lucayan juniper
• Juniperus cedrus — Canary Islands juniper
• Juniperus chinensis 'Aurea' — Chinese juniper
• Juniperus chinensis 'Echiniformis' — Chinese juniper
• Juniperus chinensis 'Shimpaku Gold' — Chinese juniper
• Juniperus chinensis 'Shoosmith' — Chinese juniper
• Juniperus chinensis 'Sylvestris' — Chinese juniper
• Juniperus coahuilensis — redberry juniper
• Juniperus communis var. depressa 'Hitchcock' — Southern common juniper
• Juniperus communis 'Gold Cone' — common juniper
• Juniperus communis 'Gold Totem Pole' — common juniper
• Juniperus communis 'Lemon Spire' — common juniper
• Juniperus communis (Magowan form) — common juniper
• Juniperus deppeana (compact blue) — alligator juniper
• Juniperus foetidissima — stinking juniper
• Juniperus formosana — Formosan juniper
• Juniperus horizontalis 'Bar Harbor' — creeping juniper
• Juniperus horizontalis 'Blue Pygmy' — miniature creeping juniper
• Juniperus horizontalis 'Copper Harbor' — creeping juniper
• Juniperus horizontalis 'Gold Strike' — golden creeping juniper
• Juniperus horizontalis 'Golden Carpet' — golden creeping juniper
• Juniperus horizontalis 'Maiden Gold' — golden creeping juniper
• Juniperus horizontalis 'Mother Lode' — golden creeping juniper
• Juniperus horizontalis 'Pancake' — creeping juniper
• Juniperus horizontalis 'Planifolia' — creeping juniper
• Juniperus horizontalis 'Silver Sheen' — creeping juniper
• Juniperus monosperma — oneseed juniper
• Juniperus procumbens — Japanese garden juniper
• Juniperus procumbens 'California' — Japanese garden juniper
• Juniperus procumbens 'Greenmound' — Japanese garden juniper
• Juniperus rigida subsp. conferta 'Emerald Sea' — shore juniper
• Juniperus rigida subsp. conferta 'sPg-3-016' — Golden Pacific shore juniper
• Juniperus rigida subsp. conferta 'Sunsplash' — variegated shore juniper
• Juniperus rigida 'Hikari' — goldtip temple juniper
• Juniperus rigida (tight fastigiate cone) — temple juniper
• Juniperus scopulorum × J. horizontalis — creeping juniper
• Juniperus squamata 'Meyeri' — flaky juniper
• Juniperus virginiana 'Ascension' — eastern red cedar
• Juniperus virginiana 'Glauca Compacta' — eastern redcedar
• Juniperus virginiana (mounding form) — eastern red cedar
• Juniperus virginiana 'Regal' — eastern redcedar
• Juniperus virginiana (Scott Burrell's extreme narrow form) — eastern red cedar
• Juniperus virginiana 'Silver Spear' — eastern red cedar
• Juniperus virginiana (Wake Forest variegated) — eastern redcedar
• Justicia brandegeeana — shrimp plant
• Justicia carnea (dark leaved) — Brazilian plume

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K

• Kadsura coccinea — huge fruited kadsura vine
• Kadsura heteroclita — kadsura vine
• Kadsura japonica 'King Kong' — kadsura vine
• Kadsura japonica 'Kumagai' — kadsura
• Kadsura longipedunculata — Chinese kadsura
• Kalmia latifolia 'Croft Carpet' — mountain laurel
• Kalmia latifolia 'Sepulga Pink' — mountain laurel
• Kerria japonica 'Chiba Gold' — Japanese kerria
• Kerria japonica 'Fubuki Nishiki' — Japanese kerria
• Kerria japonica 'Geisha' — Japanese kerria
• Kerria japonica 'Honshu' — Japanese kerria
• Keteleeria davidiana
• Keteleeria davidiana var. davidiana
• Keteleeria davidiana var. formosana
• Kirengeshoma palmata (white flush) — yellow waxbells
• Kniphofia — red-hot poker
• Kniphofia albescens — white torch lily
• Kniphofia 'Backdraft' — Pyromania Collection red-hot poker
• Kniphofia 'Candlelight' — yellow red-hot poker
• Kniphofia 'Echo Mango' — yellow red-hot poker
• Kniphofia ensifolia subsp. ensifolia — red hot poker
• Kniphofia foliosa — red hot poker
• Kniphofia 'Gladness' — red-hot poker
• Kniphofia 'Gold Rush' — red-hot poker
• Kniphofia hirsuta — Fire Dance Dwarf Poker
• Kniphofia laxiflora — red hot poker
• Kniphofia northiae — Octopus Red Hot Poker
• Kniphofia 'Nose Job' — red-hot poker
• Kniphofia pauciflora
• Kniphofia 'Rocket Jr.'
• Kniphofia (Rockette Orange) — red-hot poker
• Kniphofia triangularis — dwarf red-hot poker
• Kniphofia uvaria 'KLEKN22193' — Glowstick red hot poker
• Kniphofia uvaria 'Lola' — red-hot poker
• Koelreuteria paniculata 'Beachmaster' — dwarf goldenrain tree
• Koelreuteria paniculata 'Fastigiata' — columnar goldenrain tree
• Koelreuteria paniculata 'Rose Lantern' — late-flowering goldenrain tree
• Kosteletzkya pentacarpos — coastal mallow

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L

• Lagerstroemia 'Cedar Red' — hybrid crepe myrtle
• Lagerstroemia 'Cherry Mocha' — dwarf crepe myrtle
• Lagerstroemia 'Chocolate Mocha' — Delta Jazz hybrid crepe myrtle
• Lagerstroemia 'Ebony Embers' — Black Diamond Red Hot crepe myrtle
• Lagerstroemia 'Ebony Flame' — Black Diamond Best Red crepe myrtle
• Lagerstroemia fauriei — Japanese crepe myrtle
• Lagerstroemia fauriei 'Fantasy' — Japanese crepe myrtle
• Lagerstroemia fauriei 'Townhouse' — Japanese crepe myrtle
• Lagerstroemia 'Frappe Pink' — dwarf crepe myrtle
• Lagerstroemia 'Gamad I' — Cherry Dazzle crepe myrtle
• Lagerstroemia 'Gamad II' — Raspberry Dazzle compact crepe myrtle
• Lagerstroemia 'Gamad VII' — Sweetheart Dazzle dwarf crepe myrtle
• Lagerstroemia guilinensis — Guangxi crepe-myrtle
• Lagerstroemia indica — crepe myrtle
• Lagerstroemia indica 'Congrabel' — Bellini Grape crepe myrtle
• Lagerstroemia indica 'Conlagras' — Bellini Raspberry crepe myrtle
• Lagerstroemia indica 'Delea' — Delta Moonlight crepe myrtle
• Lagerstroemia indica 'G2X133271' — Infinitini Magenta crepe myrtle
• Lagerstroemia indica 'G2X13377' — Infinitini White dwarf crepe myrtle
• Lagerstroemia indica 'LDC-2' — Emerald Empire Garnet Prince crepe myrtle
• Lagerstroemia indica 'LDC-7' — Emerald Empire series crepe myrtle
• Lagerstroemia indica 'Orchid Cascade' — ground cover crepe myrtle
• Lagerstroemia indica 'Red Filli' — miniature crepe myrtle
• Lagerstroemia indica 'Whit III' — Pink Velour crepe myrtle
• Lagerstroemia indica 'Whit IV' — Red Rocket red crepe myrtle
• Lagerstroemia indica 'Whit VII' — Siren Red crepe myrtle
• Lagerstroemia 'Jd827' — Early Bird Purple hybrid crepe myrtle
• Lagerstroemia 'Jd900' — Early Bird White early flowering crepe myrtle
• Lagerstroemia 'LDC-11' — Emerald Empire Precious Pink crepe myrtle
• Lagerstroemia 'LDC-20' — Emerald Empire Crystalline crepe myrtle
• Lagerstroemia 'Like a Latte' — Barista crepe myrtle
• Lagerstroemia limii — crepe myrtle
• Lagerstroemia 'Natchez' — crepe myrtle
• Lagerstroemia 'PIILAG-III' — Red Rooster crepe myrtle
• Lagerstroemia 'PIILAG-IX' — Sunset Magic compact crepe myrtle
• Lagerstroemia 'PIILAG-V' — Midnight Magic crepe myrtle
• Lagerstroemia 'PIILAG-VII' — Ruffled Red Magic crepe myrtle
• Lagerstroemia 'PIILAG-VIII' — Twilight Magic crepe myrtle
• Lagerstroemia (purple leaf) — crepe myrtle
• Lagerstroemia subcostata — white-barked crepe myrtle
• Lagerstroemia 'Sweet Macchiato' — Barista crepe myrtle
• Lagerstroemia 'White Cascade' — hybrid crepe myrtle
• Lamium maculatum 'White Nancy' — deadnettle
• Lantana camara 'Citrus Salad' — lantana
• Lantana camara 'Ham and Eggs' — lantana
• Lantana camara ('Ham and Eggs' orange sport) — lantana
• Lantana camara 'Star Landing' — lantana
• Lantana 'Chapel Hill Yellow' — lantana
• Lantana montevidensis
• Lantana 'Sunset Beach' — lantana
• Lantana trifolia — three-leaf lantana
• Laurus azorica — bay laurel
• Laurus nobilis — bay laurel
• Laurus nobilis (hardy form) — bay laurel
• Laurus nobilis × Umbellularia californica — bay laurel
• Lavandula 'Avonview' — Spanish lavender
• Lavandula (ex. 'Avonview')
• Lavandula ×intermedia 'Niko' — Phenomenal lavender
• Lavandula stoechas — Spanish lavender
• Lavandula stoechas — Castilliano 2.0 Lilac Spanish lavender
• Lavandula stoechas — Javelin Forte Deep Purple Spanish lavender
• Ledebouria cooperi — Cooper's false scilla
• Ledebouria 'Gary Hammer' — false scilla
• Lepechinia hastata — false salvia
• Lepisorus — ribbon fern
• Lepisorus bicolor — Sichuan ribbon fern
• Lepisorus bicolor (mucronate)
• Lepisorus bicolor (tall variegated)
• Leptodermis oblonga
• Leptospermum scoparium 'Kiwi' — tea tree
• Lespedeza buergeri — bush clover
• Lespedeza homoloba
• Lespedeza maximowiczii 'Niwata'
• Lespedeza thunbergii subsp. formosa — mountain bush-clover
• Lespedeza thunbergii 'Little Volcano' — bush-clover
• Lespedeza thunbergii 'Pink Cascade' — pink bush-clover
• Lespedeza thunbergii 'Spring Grove' — bush-clover
• Lespedeza thunbergii 'White Fountain' — white bush-clover
• Leucanthemum ×superbum 'Becky' — Shasta daisy
• Leucojum aestivum — summer snowflake
• Leucojum aestivum 'Gravetye Giant' — summer snowflake
• Leucophyllum candidum — violet silverleaf
• Leucophyllum frutescens 'Green Cloud' — Texas sage
• Leucophyllum langmaniae — Texas ranger
• Leucothoe 'Sparkle' — doghobble
• Leycesteria formosa 'Jealousy' — Himalayan honeysuckle
• Leymus arenarius 'Blue Dune' — blue lyme grass
• Liatris 'Alba'
• Liatris microcephala 'White Sprite' — white gayfeather
• Liatris spicata — blazing star
• Libertia chilensis — New Zealand satin flower
• Ligularia 'Hey, Mr. Wilson' — ligularia
• Ligularia japonica 'Frosted Flecks' — Japanese ligularia
• Ligularia kaialpina
• Ligustrum delavayanum — Delavay's privet
• Ligustrum japonicum 'Green Meatball' — wax leaf privet
• Ligustrum japonicum 'Harmony Gardens' — wax leaf privet
• Ligustrum japonicum 'Little Moon' — dwarf wax leaf privet
• Ligustrum japonicum 'Silver Stars' — variegated Japanese privet
• Ligustrum 'NCLX1' — Golden Ticket sterile gold-leaved privet
• Ligustrum sinense 'Sunshine' — Chinese privet
• Ligustrum sinense 'Variegatum' — Chinese privet
• Ligustrum sinense 'Wimbei' — Chinese privet
• Ligustrum tschonoskii 'Little Thomas' — privet
• Lilium
• Lilium 'Anastasia' — hybrid lily
• Lilium 'Arabian Knight'
• Lilium 'Baferrari'
• Lilium bakerianum (white)
• Lilium 'Beverly Dreams'
• Lilium 'Black Beauty' — oriental lily
• Lilium 'Brasilia'
• Lilium callosum — Lily
• Lilium candidum — Madonna lily
• Lilium carniolicum
• Lilium 'Conca d'Or'
• Lilium 'Empoli'
• Lilium 'Forever Susan'
• Lilium formosanum — Formosa lily
• Lilium 'Fusion'
• Lilium hansonii
• Lilium henryi — Henry's lily
• Lilium 'Lady Alice'
• Lilium lancifolium 'Flore Pleno' — double tiger lily
• Lilium lankongense
• Lilium 'Leslie Woodriff' — oriental-trumpet lily
• Lilium leucanthum
• Lilium lijiangense
• Lilium 'Lotus Beauty'
• Lilium 'Miss Feya'
• Lilium 'Muscadet'
• Lilium 'Orange Marmalade'
• Lilium 'Orange Tycoon'
• Lilium 'Orania' — Orienpet Lily
• Lilium poilanei (DJHV 19603) — lily
• Lilium pumilum
• Lilium 'Purple Dream'
• Lilium 'Red Alert' — hybrid lily
• Lilium regale — regal lily
• Lilium 'Satisfaction' — hybrid lily
• Lilium 'Scheherazade' — oriental-trumpet lily
• Lilium 'Snow Storm'
• Lilium 'Sunny Morning' — lily
• Lilium 'Touching'
• Lilium 'Triumphator'
• Lilium 'Yelloween' — Orienpet lily
• Lindelofia longiflora
• Lindera angustifolia — narrowleaf spicebush
• Lindera benzoin — spicebush
• Lindera erythrocarpa — red-fruited spicebush
• Lindera fragrans — bamboo-leaf spicebush
• Lindera glauca — spicebush
• Lindera aff. glauca — silver spicebush
• Lindera praecox — Asian spicebush
• Lindera reflexa — mountain spicebush
• Lindera subcoriacea — bog spicebush
• Lindera umbellata 'Togarashi' — kuro-moji spicebush
• Linum lewisii — Lewis flax
• Liquidambar acalycina 'Burgundy Flush' — Chinese sweet gum
• Liquidambar 'NCSG-14'
• Liquidambar 'Pipsqueak'
• Liquidambar styraciflua 'Clydesform' — Emerald Sentinel columnar sweet gum
• Liquidambar styraciflua 'Gum Ball' — globe sweet gum
• Liquidambar styraciflua 'Slender Silhouette' — columnar sweet gum
• Liriodendron chinense — Chinese tuliptree
• Liriodendron chinense 'J. C. Raulston' — Chinese tuliptree
• Liriodendron tulipifera 'Ardis' — tuliptree
• Liriope — lilyturf
• Liriope exiliflora — lilyturf
• Liriope exiliflora 'Silver Dragon' — lilyturf
• Liriope exiliflora 'Superba' — lilyturf
• Liriope gigantea — giant lilyturf
• Liriope gigantea 'Lynn Lowrey' — giant lilyturf
• Liriope graminifolia — lilyturf
• Liriope kansuensis — lily-turf
• Liriope longipedicellata 'Porcupine' — lilyturf
• Liriope minor 'Torafu' — striped lilyturf
• Liriope muscari — lilyturf
• Liriope muscari 'Bigun' — Cleopatra lilyturf
• Liriope muscari 'Blue Giant' — lilyturf
• Liriope muscari 'Exc 051' — Purple Explosion lilyturf
• Liriope muscari 'Gold Band' — lilyturf
• Liriope muscari 'Hawk's Feather' — lilyturf
• Liriope muscari 'Okina' — lilyturf
• Liriope muscari 'PeeDee Ingot' — lilyturf
• Liriope muscari 'Samona' — lilyturf
• Liriope muscari 'Sideswiped' — lilyturf
• Liriope muscari 'Snow White' — lilyturf
• Liriope muscari (yellow splash) — lilyturf
• Liriope platyphylla — lilyturf
• Liriope aff. platyphylla — lilyturf
• Liriope spicata — creeping lilyturf
• Liriope aff. spicata — creeping lilyturf
• Lithocarpus brevicaudatus — short-tailed leaf tanoak
• Lithocarpus edulis 'Starburst' — variegated Japanese tan-bark oak
• Lithocarpus glaber — smooth tan-bark oak
• Lithocarpus harlandii
• Lithocarpus henryi — Henry tan-bark oak
• Litsea auriculata
• Litsea japonica
• Lobelia angulata
• Lobelia ×speciosa 'PAS1302712' — Starship Blue cardinal flower
• Lomandra longifolia 'Katrinus Deluxe' — spiny-head mat rush
• Lomandra longifolia 'Roma13' — Platinum Beauty spiny-head mat rush
• Lomatia myricoides — river lomatia
• Lonicera ×americana 'Pam's Pink' — American honeysuckle
• Lonicera iberica — honeysuckle
• Lonicera nitida 'Briliame' — Ophelia box honeysuckle
• Lonicera nitida 'Briloni' — Edmee Gold box honeysuckle
• Lonicera nitida 'Golden Glow' — Thunderbolt box honeysuckle
• Lonicera periclymenum — honeysuckle
• Lonicera periclymenum 'Scentsation' — European honeysuckle
• Lonicera ×purpusii 'Winter Beauty' — winter honeysuckle
• Lonicera quinquelocularis — translucent honeysuckle
• Lonicera sempervirens (early blooming) — trumpet honeysuckle
• Lonicera sempervirens 'John Clayton' — trumpet honeysuckle
• Lonicera sempervirens 'Leo' — trumpet honeysuckle
• Lonicera similis var. delavayi — Delavay's honeysuckle
• Lonicera standishii — Standish's honeysuckle
• Lonicera standishii var. lancifolia — lance-flowered Standish's honeysuckle
• Lophanthus tibeticus — Tibetan lofant
• Lophospermum 'Magic Dragon'
• Loropetalum chinense 'Beni Hime' — Jazz Hands Mini Chinese fringe flower
• Loropetalum chinense (Dodd form) — Chinese fringe flower
• Loropetalum chinense 'Irodori' — Jazz Hands variegated Chinese fringe flower
• Loropetalum chinense 'NCI002' — Carolina Moonlight Chinese fringe flower
• Loropetalum chinense var. rubrum 'Bicolor' — Chinese fringe flower
• Loropetalum chinense var. rubrum 'Blush' — Chinese fringe flower
• Loropetalum chinense var. rubrum 'Daybreak's Flame' — Chinese fringe flower
• Loropetalum chinense var. rubrum 'Hines Purple Leaf' — Plum Delight Chinese fringe flower
• Loropetalum chinense var. rubrum 'Monraz' — Razzleberri Chinese fringe flower
• Loropetalum chinense var. rubrum 'Pipa's Red' — Chinese fringe flower
• Loropetalum chinense var. rubrum (Piroche form) — Chinese fringe flower
• Loropetalum chinense var. rubrum 'Ruby' — Chinese fringe flower
• Loropetalum chinense var. rubrum 'Sizzlin' Pink' — Chinese fringe flower
• Loropetalum chinense var. rubrum 'Suzanne' — Chinese fringe flower
• Loropetalum chinense var. rubrum (variegated) — Chinese fringe flower
• Loropetalum chinense var. rubrum 'Zhuzhou Fuchsia' — Chinese fringe flower
• Loropetalum chinense 'Shang-hi' — Purple Diamond Chinese fringe flower
• Loropetalum chinense 'Shang-lo' — Purple Pixie Chinese fringe flower
• Loropetalum chinense 'Shang-Red' — Red Diamond Chinese fringe flower
• Loropetalum chinense 'Shang-White' — Emerald Snow Chinese fringe flower
• Loropetalum chinense 'Shidare' — Chinese fringe flower
• Loropetalum chinense 'Snow Dance' — Chinese fringe flower
• Loropetalum chinense 'Tokyo Weeping' — Chinese fringe flower
• Lotus alpinus
• Lotus corniculatus 'Plenus' — bird's-foot trefoil
• Ludwigia maritima 'Life's a Beach'
• Luma apiculata — Chilean myrtle
• Lunaria annua — moneyplant
• Lunaria annua (variegated form) — moneyplant
• Lychnis coronaria 'Blood Red' — rose campion
• Lycium barbarum 'Firecracker' — goji berry
• Lycoris — surprise lily
• Lycoris (17-242)
• Lycoris (17-244)
• Lycoris (17-245)
• Lycoris (17-250) — surprise lily
• Lycoris (17-251)
• Lycoris (17-252)
• Lycoris (17-255)
• Lycoris (17-260)
• Lycoris (17-83?)
• Lycoris 'Albi Pink'
• Lycoris albiflora — white surprise-lily
• Lycoris albiflora 'Dorman'
• Lycoris ×albiflora 'Phil's Gold'
• Lycoris albiflora 'Summer Passion' — summer passion surprise lily
• Lycoris anhuiensis
• Lycoris aurea — hurricane lily
• Lycoris chinensis — golden surprise-lily
• Lycoris chinensis × L. sprengeri
• Lycoris ×elsiae — salmon surprise-lily
• Lycoris incarnata — candy-cane surprise-lily
• Lycoris longituba var. longituba — long-tube surprise-lily
• Lycoris radiata — spider lily
• Lycoris radiata var. pumila 'Fourth of July' — spider lily
• Lycoris radiata var. radiata — spider lily
• Lycoris radiata var. radiata 'Modern Japanese' — spider lily
• Lycoris ×rosea — surprise lily
• Lycoris ×rosea 'Magenta Magic' — surprise lily
• Lycoris ×rosea 'Mini Me' — surprise lily
• Lycoris ×rosea 'Satsuma Hiryu'
• Lycoris sprengeri — tie-dye surprise-lily
• Lycoris squamigera — surprise lily
• Lycoris straminea — staw surprise-lily
• Lycoris straminea (pink sport)
• Lycoris ×straminea 'Strawberry Lemonade'
• Lycoris traubii
• Lysimachia alfredii 'Night Light' — moneywort
• Lysimachia clethroides 'Heronswood Gold' — gooseneck
• Lysimachia congestiflora 'Persian Chocolate' — golden globes
• Lysimachia minoricensis — Loosestrife of Minorca
• Lysimachia paridiformis var. stenophylla — Sichuan loosestrife
• Lysimachia paridiformis var. stenophylla 'Jens Nilson Giant' — Sichuan loosestrife
• Lysionotus petelotii (purple back) — lipstick plant

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M

• Maackia tenuifolia — maackia
• Machilus thunbergii — Japanese bay tree
• Magnolia — hybrid Magnolia
• Magnolia acuminata subsp. subcordata 'Ellen' — yellow cucumber tree
• Magnolia amabilis
• Magnolia 'Anticipation' — Kehr hybrid magnolia
• Magnolia ashei — Ashe's magnolia
• Magnolia 'Brass Monkey' — evergreen magnolia
• Magnolia ×brooklynensis 'Evamaria' — deciduous magnolia
• Magnolia ×brooklynensis 'Woodsman' — Brooklyn magnolia
• Magnolia 'Burgundy Spire' — magnolia
• Magnolia 'Canary Charm'
• Magnolia cavaleriei — evergreen magnolia
• Magnolia cavaleriei var. platypetala — broad petal michelia
• Magnolia changhungtana × M. kwangtungensis — hybrid evergreen magnolia
• Magnolia changhungtana × (sapaensis × insignis) — hybrid magnolia
• Magnolia chapensis
• Magnolia compressa — evergreen magnolia
• Magnolia 'Coral Lake' — Leach hybrid magnolia
• Magnolia cylindrica — Yellow Mountain magnolia
• Magnolia 'Daybreak' — Kehr hybrid magnolia
• Magnolia delavayi (pink flower form) — Father Delavay's evergreen magnolia
• Magnolia denudata 'Forrest's Pink' — pink Yulan magnolia
• Magnolia denudata var. glabrata
• Magnolia elegantifolia × M. figo 'Twiggy' — hybrid magnolia
• Magnolia 'Elizabeth' — yellow magnolia
• Magnolia ernestii — yellow lily-tree
• Magnolia ernestii (Ogisu form)
• Magnolia ernestii subsp. szechuanica — Sichuan yellow lily tree
• Magnolia 'Eskimo' — Kehr hybrid magnolia
• Magnolia 'Eternal Spring' — evergreen magnolia
• Magnolia figo var. crassipes × (M. foveolata × M. laevifolia)
• Magnolia figo 'Hagiwara Everblooming' — banana shrub
• Magnolia figo 'Stellar Ruby' — banana shrub
• Magnolia figo 'Stubbs Purple' — banana shrub
• Magnolia ×foggii 'Picotee' — hybrid magnolia
• Magnolia fordiana — tree lotus
• Magnolia foveolata (golden form)
• Magnolia 'Freeman' — hybrid magnolia
• Magnolia 'Galaxy' — U.S. National Arboretum hybrid magnolia
• Magnolia 'Goldfinch' — hybrid magnolia
• Magnolia 'Gorgeous' — deciduous magnolia
• Magnolia grandiflora 'Baby Doll' — southern magnolia
• Magnolia grandiflora 'Emerald Spire' — southern magnolia
• Magnolia grandiflora 'Ferruginea' — southern magnolia
• Magnolia grandiflora 'Goliath' — southern magnolia
• Magnolia grandiflora 'Hasse' — upright southern magnolia
• Magnolia grandiflora 'Kay Parris' — southern magnolia
• Magnolia grandiflora 'Leanne' — southern magnolia
• Magnolia grandiflora 'Little Gem' — southern magnolia
• Magnolia grandiflora 'Poconos' — southern magnolia
• Magnolia grandiflora 'Pygmaea' — southern magnolia
• Magnolia grandiflora 'Silver Savage' — southern magnolia
• Magnolia grandiflora 'Southern Charm' — Teddy Bear southern magnolia
• Magnolia grandiflora 'Southern Pride' — southern magnolia
• Magnolia grandiflora 'STRgra' × M. grandiflora 'Kay Parris' — evergreen magnolia
• Magnolia grandiflora 'TMGH' — Alta columnar southern magnolia
• Magnolia grandiflora (variegated form) — variegated southern magnolia
• Magnolia grandiflora 'Victoria' — southern magnolia
• Magnolia 'Gulf Stream'
• Magnolia (hybrid No. 3)
• Magnolia 'Iolanthe' — Jury hybrid magnolia
• Magnolia 'Jon Jon' — Gresham hybrid magnolia
• Magnolia 'Judy Zuk' — hybrid magnolia
• Magnolia 'Katie-O Early' — hybrid magnolia
• Magnolia 'KLMWW' — Jazzy Jane deciduous magnolia
• Magnolia kobus 'Kimitsu Hime' — kobus magnolia
• Magnolia kwangtungensis — Chinese manglietia
• Magnolia laevifolia — shrubby michelia
• Magnolia laevifolia 'Gail's Favourite' — shrubby michelia
• Magnolia laevifolia 'Michelle' — shrubby michelia
• Magnolia laevifolia 'Snowbird' — shrubby michelia
• Magnolia 'Legend' — Leach hybrid magnolia
• Magnolia liliiflora 'Minnie Mouse' — lily magnolia
• Magnolia 'Little Sue'
• Magnolia ×loebneri 'Ballerina'
• Magnolia ×loebneri 'Green Mist'
• Magnolia ×loebneri 'Leonard Messel'
• Magnolia ×loebneri 'Merrill'
• Magnolia ×loebneri 'Neil McEachern'
• Magnolia ×loebneri 'Willowwood'
• Magnolia 'Lois' — hybrid magnolia
• Magnolia lotungensis — eastern joy lotus tree
• Magnolia ('Lucky' × maudiae)
• Magnolia (M. foveloata × M. laevifolia) × M. figo var. crassipes
• Magnolia (M. foveolata × M. laevifolia) (Clone M) × M. figo var. crassipes
• Magnolia (M. yuyuanensis × ?) — hybrid magnolia
• Magnolia macclurei — evergreen magnolia
• Magnolia macrophylla — bigleaf magnolia
• Magnolia 'Maryland' — Freeman hybrid magnolia
• Magnolia maudiae — evergreen magnolia
• Magnolia (maudiae × 'Lucky')
• Magnolia 'Melissa Parris' × M. insignis 'Anita Figlar'
• Magnolia 'MICjur01' — Fairy Magnolia Blush hybrid magnolia
• Magnolia 'Nimbus' — deciduous magnolia
• Magnolia obovata 'Lydia'
• Magnolia 'Peppermint Stick' — Gresham hybrid magnolia
• Magnolia 'Pink Delight' — Ledvina hybrid magnolia
• Magnolia 'Pink Goblet' — Gresham hybrid magnolia
• Magnolia 'Pristine' — McDaniel hybrid magnolia
• Magnolia 'Purple Star Power' — deciduous magnolia
• Magnolia 'Rose Marie' × M. 'Genie' — hybrid magnolia
• Magnolia 'Rose Marie' × M. 'Ian's Red' — magnolia
• Magnolia salicifolia 'Miss Jack' — anise magnolia
• Magnolia sapaensis × M. conifera
• Magnolia sapaensis × M. conifera var. chingii — hybrid evergreen magnolia
• Magnolia 'Serendipity' — evergreen magnolia
• Magnolia (Shanghai/Liu hybrid)
• Magnolia sieboldii 'Colossus' — Oyama magnolia
• Magnolia sieboldii 'Colossus' × M. grandiflora 'Kay Parris' — hybrid magnolia
• Magnolia sieboldii 'Colossus' × M. insignis — hybrid magnolia
• Magnolia 'Silk Road' × M. insignis — hybrid Magnolia
• Magnolia ×soulangeana 'Lilliputian' — saucer magnolia
• Magnolia ×soulangeana 'Pickard's Opal' — saucer magnolia
• Magnolia ×soulangeana 'Picture' — saucer magnolia
• Magnolia ×soulangeana 'Speciosa' — saucer magnolia
• Magnolia ×soulangeana 'Sundew' — saucer magnolia
• Magnolia ×soulangeana 'Verbanica' — saucer magnolia
• Magnolia 'Spartan Spirit' — magnolia
• Magnolia 'Spectrum' — U.S. National Arboretum hybrid magnolia
• Magnolia sprengeri — Sprenger magnolia
• Magnolia 'Stellar Acclaim' — Kehr hybrid magnolia
• Magnolia stellata — star magnolia
• Magnolia stellata 'Chrysanthemumiflora' — many-petalled star magnolia
• Magnolia stellata 'Pickard's Stardust' — star magnolia
• Magnolia stellata 'Scented Silver' — star magnolia
• Magnolia stellata 'Waterlily' — many-petalled star magnolia
• Magnolia 'Sun Ray' — Kehr hybrid magnolia
• Magnolia 'Sun Spire' — Kehr hybrid magnolia
• Magnolia 'Sunsation' — Kehr hybrid magnolia
• Magnolia tamaulipana
• Magnolia virginiana — sweet bay
• Magnolia virginiana var. australis 'Coosa' — littleleaf sweet bay magnolia
• Magnolia virginiana var. australis 'Green Shadow' — sweet bay magnolia
• Magnolia virginiana var. australis 'Jim Wilson' — Moonglow sweet bay magnolia
• Magnolia virginiana var. australis (Louisiana form) — sweet bay magnolia
• Magnolia virginiana var. australis 'Perry Paige' — Sweet Thing dwarf sweet bay magnolia
• Magnolia virginiana (Dodd small leaf form) — sweet bay magnolia
• Magnolia virginiana × M. insignis — hybrid magnolia
• Magnolia virginiana 'Mt. Pulaski' — sweetbay magnolia
• Magnolia virginiana (SCC Texas/Louisiana form) × M. grandiflora 'Kay Parris' — hybrid magnolia
• Magnolia virginiana 'Silver Mist' — sweet bay magnolia
• Magnolia 'Wada's Memory' — deciduous magnolia
• Magnolia 'Winelight' — Gresham hybrid magnolia
• Magnolia xinganensis — Xingan magnolia
• Magnolia 'Yellow Fever' — deciduous magnolia
• Magnolia 'Yellow Lantern' — yellow magnolia
• Magnolia yuyuanensis × M. insignis
• Magnolia zenii — Zen magnolia
• Mahonia — leatherleaf mahonia
• Mahonia 'Arthur Menzies' — leatherleaf mahonia
• Mahonia bealei — leatherleaf mahonia
• Mahonia bodinieri — Bodinier's grape holly
• Mahonia duclouxiana
• Mahonia ×emeiensis (Ogisu) — Mt Emei mahonia
• Mahonia eurybracteata — grape holly
• Mahonia eurybracteata 'Cistus Silvers' — grape holly
• Mahonia eurybracteata subsp. ganpinensis — grape holly
• Mahonia eurybracteata subsp. ganpinensis 'Soft Caress' — grape holly
• Mahonia eurybracteata 'Narihira' — grape holly
• Mahonia (ex. bodinieri) — leatherleaf mahonia
• Mahonia fargesii — Farges' Mahonia
• Mahonia cf. fargesii — Farges' Mahonia
• Mahonia fortunei — Fortune's Mahonia
• Mahonia fremontii — Fremont's mahonia
• Mahonia 'Golden Cascade' — leatherleaf mahonia
• Mahonia gracilipes — Chinese mahonia
• Mahonia gracilis — Mexican barberry
• Mahonia haematocarpa — algerita
• Mahonia ilicina — grape holly
• Mahonia japonica — grape-holly
• Mahonia japonica 'Hivernant' — grape-holly
• Mahonia lanceolata (ex. 'El Cielo') — Mexican grape holly
• Mahonia leveilleana — Léveillé's mahonia
• Mahonia ×lindsayae 'Cantab' — fragrant mahonia
• Mahonia 'Marvel' — leatherleaf mahonia
• Mahonia 'McCracken's Seedling' — leatherleaf mahonia
• Mahonia ×media 'Buckland' — Oregon grape
• Mahonia ×media 'Charity' — Oregon grape
• Mahonia ×media 'Lionel Fortescue' — Oregon grape
• Mahonia ×media 'Underway' — Oregon grape
• Mahonia ×media 'Winter Sun' — Oregon grape
• Mahonia napaulensis 'Maharajah' — Nepalese Mahonia
• Mahonia 'NCMH1' — Good Vibes / Funky Flow leatherleaf mahonia
• Mahonia 'NCMH2' — Groovy Glow leatherleaf mahonia
• Mahonia nitens — Chinese mahonia
• Mahonia oiwakensis — Chinese mahonia
• Mahonia 'Pan Demic' — leatherleaf mahonia
• Mahonia shenii
• Mahonia (shenii hybrid)
• Mahonia 'Skylark' — leatherleaf mahonia
• Mahonia 'sPg-3-071' — Beijing Beauty leatherleaf mahonia
• Mahonia tikushiensis — Japanese mahonia
• Mahonia trifoliolata — agarita
• Mahonia (Yucca Do hybrids) — leatherleaf mahonia
• Maianthemum japonicum 'Suikou'
• Maianthemum stellatum 'Blue Dune' — false lily of the valley
• Maihuenia poeppigii — Maihuén
• Malus 'JFS KW139MX' — Ruby Dayze crabapple
• Malus 'JFS KW213MX' — Raspberry Spear upright crabapple
• Malus 'JFS KW214MX' — Ivory Spear crabapple
• Malus 'JFS KW218MX' — Snow Crystal crabapple
• Malus 'JFS-KW207' — Sparkling Sprite dwarf crabapple
• Malus micromalus — Kaido crab apple
• Malus 'Royal Beauty' — crabapple
• Malvaviscus arboreus var. drummondii — Turk's cap
• Malvaviscus arboreus var. drummondii 'Big Momma' — Drummond's wax mallow
• Malvaviscus arboreus var. drummondii 'Pam Puryear' — Turk's cap
• Malvaviscus arboreus var. drummondii (pink) — pink turk's cap
• Mammillaria heyderi var. nova
• Mandevilla laxa — Chilean jasmine
• Manettia cordifolia — firecracker vine
• Manettia cordifolia 'John Elsley' — firecracker vine
• Manfreda — deciduous agave
• Manfreda 'Helen Wynans' — deciduous agave
• Manfreda maculosa — spice-lily
• Manfreda undulata 'Chocolate Chips' — deciduous agave
• Manfreda variegata (Tamazunchale site) — deciduous agave
• ×Mangave 'Catch a Wave' — mangave
• ×Mangave 'Ink Blot'
• ×Mangave 'Kaleidoscope'
• ×Mangave 'Mission to Mars' — mangave
• ×Mangave 'My Dog Spot'
• ×Mangave 'Painted Desert'
• ×Mangave 'Purple People Eater'
• ×Mangave 'Shadow Waltz'
• ×Mangave 'Silver Fox' — mangave
• ×Mangave 'Snow Leopard' — mangave
• ×Mangave 'Whale Tale' — mangave
• Marshallia caespitosa var. signata
• Mazus reptans — creeping mazus
• Mazus reptans 'Albus' — white creeping mazus
• Melia azedarach 'Jade Snowflake' — Chinaberry tree
• Melia toosendan — Chinaberry
• Meliosma oldhamii — Oldham's meliosma
• Meliosma parviflora — small flowered melliosma
• Melliodendron xylocarpum 'Momoka' — Chinese parasol storax
• Metapanax davidii — David false-ginseng
• Metapanax delavayi
• Metapanax delavayi 'Stout'
• Metasequoia glyptostroboides — dawn redwood
• Metasequoia glyptostroboides 'Hamlet's Broom' — dawn redwood
• Metasequoia glyptostroboides 'Miss Grace' — dawn redwood
• Metasequoia glyptostroboides 'Schirrmann's Nordlicht' — dawn redwood
• Metasequoia glyptostroboides 'Sheridan Spire' — dawn redwood
• Metasequoia glyptostroboides 'Silhouette' — variegated dawn redwood
• Metasequoia glyptostroboides 'WAH-08AG' — Amber Glow dawn redwood
• Microchirita micromusa
• Microlepia strigosa f. crispa 'Shishi' — lion's mane fern
• Microlepia strigosa 'MacFaddeniae' — rigid lace fern
• Millettia pulchra — summer wisteria
• Mirabilis jalapa 'Baywatch' — four o'clock
• Mirabilis longiflora — sweet four o'clock
• Miscanthus floridulus — giant maiden grass
• Miscanthus 'NCMS1' — My Fair Maiden maiden grass
• Miscanthus sacchariflorus 'Gotemba Gold' — Amur silvergrass
• Miscanthus sinensis 'Adagio' — maiden grass
• Miscanthus sinensis 'Strictus' — maiden grass
• Miscanthus transmorrisonensis — maiden grass
• Miyamayomena savatieri 'Edo Murasaki' — Edo Muraski Japanese aster
• Molinia caerulea subsp. arundinacea 'Skyracer' — purple moor grass
• Monarda 'Bessie Bryant' — hybrid bee balm
• Monarda bradburyana — Bardbury's bee balm
• Monarda 'Fireball' — dwarf red beebalm
• Monarda fistulosa — bee balm
• Monarda fistulosa × M. bartlettii 'Peter's Purple' — Peter's purple bee balm
• Monarda 'Purple Rooster'
• Monardella villosa
• Monnina cuneata
• Moraea collina — Cape tulip
• Moraea polystachya — butterfly iris
• Morella cerifera 'Blue Candles' — southern wax myrtle
• Morella cerifera 'Soft Cloud' — dwarf southern wax myrtle
• Morella cerifera 'Soleil' — golden southern wax myrtle
• Morella cerifera 'Strawberry Shortcake' — southern wax myrtle
• Morella cerifera 'Waccamaw Pancake' — wax myrtle
• Morella pusilla — dwarf southern wax myrtle
• Morella pusilla (Liberty Co, FL) — dwarf southern wax myrtle
• Morina longifolia
• Morus alba 'Ho-o' — royal white mulberry
• Muehlenbeckia astonii — shrubby tororaro
• Muehlenbeckia axillaris 'Tricolor' — creeping wire vine
• Muhlenbergia emersleyi — bullgrass
• Muhlenbergia lindheimeri — big muhly grass
• Muhlenbergia 'Pink Flamingos' — muhly grass
• Muhlenbergia reverchonii — seep muhly
• Muhlenbergia sericea — muhly grass
• Musa balbisiana — plantain
• Musa basjoo — textile banana
• Musa 'Helen's Hybrid' — banana
• Musa 'Longleaf Garnet' — ornamental banana
• Musa mannii
• Musa ornata × velutina — banana
• Musa 'Picasso' — hybrid banana
• Musa sikkimensis — Sikkim banana
• Musa velutina — velvet pink banana
• Muscari
• Muscari armeniacum 'Blue Spike'
• Muscari armeniacum 'Christmas Pearl' — common grape hyacinth
• Muscari armeniacum 'Fantasy Creation'
• Muscari armeniacum 'Saffier'
• Muscari armeniacum 'Siberian Tiger'
• Muscari armeniacum 'Valerie Finnis'
• Muscari armeniacum 'Venus'
• Muscari aucheri 'Blue Magic' — blue magic grape hyacinth
• Muscari aucheri 'Dark Eyes' — Aucher-Eloy grape hyacinth
• Muscari aucheri 'Mount Hood' — Aucher-Eloy grape hyacinth
• Muscari macrocarpum 'Golden Fragrance' — yellow grape hyacinths
• Muscari muscarimi — musk grape hyacinth
• Muscari neglectum
• Muscari neglectum 'Baby's Breath'
• Muscari 'Peppermint'
• Muscari 'Sky Blue'
• Musella lasiocarpa — golden lotus banana
• Musella lasiocarpa var. rubribracteata
• Myrcianthes fragrans — twinberry
• Myrcianthes fragrans 'Cape Canaveral' — twinberry
• Myrcianthes pungens — twinberry
• Myriopteris lanosa — hairy lip fern
• Myriopteris yavapensis — graceful lip fern
• Myrospermum sousanum — arroyo sweetwood
• Myrsine africana — African boxwood
• Myrtus communis 'Andy's Hardy' — myrtle
• Myrtus communis 'Little Elizabeth' — myrtle

---

N

• Nageia nagi — nagi
• Nageia nagi 'Blue Gator' — nagi
• Nandina domestica — heavenly bamboo
• Nandina domestica 'Aka' — Blush Pink dwarf heavenly bamboo
• Nandina domestica (aphyllous) — heavenly bamboo
• Nandina domestica 'Aurea' — yellow-berry heavenly bamboo
• Nandina domestica 'Chidori' — threadleaf heavenly bamboo
• Nandina domestica 'Compacta' — dwarf heavenly bamboo
• Nandina domestica (dwarf upright) — dwarf heavenly bamboo
• Nandina domestica 'Enshu' — heavenly bamboo
• Nandina domestica 'Firepower' — dwarf heavenly bamboo
• Nandina domestica 'Greray' — Sunray compact nandina
• Nandina domestica 'Gulf Stream' — compact heavenly bamboo
• Nandina domestica 'Harbour Dwarf' — dwarf heavenly bamboo
• Nandina domestica 'Jaytee' — Harbor Belle dwarf heavenly bamboo
• Nandina domestica 'Kurijuse' — threadleaf nandina
• Nandina domestica 'Lemon Lime' — heavenly bamboo
• Nandina domestica 'Leucocarpa' — yellow-berried heavenly bamboo
• Nandina domestica 'Monfar' — Sienna Sunrise compact heavenly bamboo
• Nandina domestica 'Moon Bay' — compact heavenly bamboo
• Nandina domestica 'Murasaki' — Flirt dwarf heavenly bamboo
• Nandina domestica 'Nana Purpurea' — dwarf heavenly bamboo
• Nandina domestica 'Okame' — heavenly bamboo
• Nandina domestica 'Ori Zuru' — contorted leaf heavenly bamboo
• Nandina domestica 'Otafuku' — variegated heavenly bamboo
• Nandina domestica 'Pygmaea' — dwarf heavenly bamboo
• Nandina domestica (Raulston hybrid No. 2) — narrowleaf heavenly bamboo
• Nandina domestica 'Royal Princess' — heavenly bamboo
• Nandina domestica 'San Gabriel' — threadleaf heavenly bamboo
• Nandina domestica 'Seika' — Obsession compact heavenly bamboo
• Nandina domestica 'Senbazuru' — threadleaf heavenly bamboo
• Nandina domestica 'Shiromi Orizuru' — heavenly bamboo
• Nandina domestica 'Soga Ikada' — heavenly bamboo
• Nandina domestica 'Southern Lace' — narrowleaf heavenly bamboo
• Nandina domestica 'Taki-no-Kawa' — heavenly bamboo
• Nandina domestica 'Tancho Zuru' — heavenly bamboo
• Nandina domestica 'Towne and Country' — heavenly bamboo
• Nandina domestica 'Twilight' — heavenly bamboo
• Nandina domestica (twisted leaf form) — heavenly bamboo
• Nandina domestica (twisted leaf, peach fruit) — heavenly bamboo
• Nandina domestica 'Umpqua Princess' — heavenly bamboo
• Nandina domestica 'Umpqua Warrior' — heavenly bamboo
• Nandina domestica (variegated) — variegated heavenly bamboo
• Nandina domestica 'Winter Pearl' — heavenly bamboo
• Nandina domestica 'Wood's Dwarf' — dwarf heavenly bamboo
• Narcissus — daffodil
• Narcissus 'Abba' — double daffodil
• Narcissus 'Acropolis' — double daffodil
• Narcissus 'Actaea' — poeticus daffodil
• Narcissus 'Aflame' — small-cupped daffodil
• Narcissus 'Albus Plenus Odoratus' — daffodil
• Narcissus 'Altruist' — small cup daffodil
• Narcissus 'Apricot Whirl'
• Narcissus 'Arkle'
• Narcissus 'Art Design'
• Narcissus 'Ascot' — double daffodil
• Narcissus 'Aspasia' — tazetta daffodil
• Narcissus 'Baby Boomer'
• Narcissus 'Baby Moon' — miniature jonquilla daffodil
• Narcissus 'Ballintoy' — large-cupped daffodil
• Narcissus 'Barenwyn'
• Narcissus 'Barrett Browning' — small-cupped daffodil
• Narcissus 'Bartley' — cyclamineus daffodil
• Narcissus 'Beautiful Eyes' — jonquil
• Narcissus 'Bella Vista' — daffodil
• Narcissus 'Beryl' — cyclamineus daffodil
• Narcissus 'Bitcoin'
• Narcissus 'Bittern' — small-cupped daffodil
• Narcissus 'Blushing Lady' — jonquilla daffodil
• Narcissus 'Border Chief' — large-cupped daffodil
• Narcissus 'Border Legend' — large cupped daffodil
• Narcissus 'Bravoure'
• Narcissus 'Can Can Girl' — daffodil
• Narcissus 'Canaliculatus' — tazetta daffodil
• Narcissus 'Canarybird' — tazetta daffodil
• Narcissus 'Carice'
• Narcissus 'Cassata' — collar daffodil
• Narcissus 'Cha Cha' — cyclamineus daffodil
• Narcissus 'Chanterelle' — collar daffodil
• Narcissus 'Chinita' — daffodil
• Narcissus 'Chit Chat' — jonquilla daffodil
• Narcissus 'Color Run'
• Narcissus 'Congress' — collar daffodil
• Narcissus 'Cosmopolitan'
• Narcissus 'Court Martial' — large-cupped daffodil
• Narcissus 'Cum Laude' — daffodil
• Narcissus 'Cyclataz'
• Narcissus 'Cyclops' — small-cupped daffodil
• Narcissus 'Dancing Moonlight'
• Narcissus 'Daphne'
• Narcissus 'Derringer'
• Narcissus 'Diamond Ring'
• Narcissus 'Doctor Alex Fleming' — large-cupped daffodil
• Narcissus 'Doll Baby'
• Narcissus 'Dolly Mollinger' — papillon daffodil
• Narcissus 'Double Itzim'
• Narcissus 'Double Smilies'
• Narcissus 'Dreamlight' — small-cupped daffodil
• Narcissus 'Dutch Master' — trumpet daffodil
• Narcissus 'Early Splendour' — tazetta daffodil
• Narcissus 'Eastern Dawn' — large-cupped daffodil
• Narcissus 'Electrus'
• Narcissus 'Elka'
• Narcissus 'Elvin's Voice'
• Narcissus 'Exotic Mystery' — daffodil
• Narcissus 'Falconet' — tazetta daffodil
• Narcissus 'February Gold' — cyclamineus daffodil
• Narcissus fernandesii — Fernandes daffodil
• Narcissus fernandesii var. cordubensis
• Narcissus 'Finch' — jonquilla daffodil
• Narcissus 'Firestreak' — papillon daffodil
• Narcissus 'Flower Record' — large-cupped daffodil
• Narcissus 'Fortissimo' — large-cupped daffodil
• Narcissus 'Fortune' — large-cupped daffodil
• Narcissus 'Fragrant Rose' — large-cupped daffodil
• Narcissus 'Garden Club of America'
• Narcissus 'Garden Fringe'
• Narcissus 'Garden Opera'
• Narcissus 'General Patton' — trumpet daffodil
• Narcissus 'Geranium' — tazetta daffodil
• Narcissus 'Golden Bells' — hoop petticoat daffodil
• Narcissus 'Golden Dawn' — tazetta daffodil
• Narcissus 'Golden Delicious'
• Narcissus 'Golden Echo'
• Narcissus 'Golden Quince' — miniature daffodil
• Narcissus 'Golden Sceptre' — jonquilla daffodil
• Narcissus 'Golden Sunbeam' — trumpet daffodil
• Narcissus 'Goose Green'
• Narcissus 'Grower's Pride'
• Narcissus 'Halvose' — tazetta daffodil
• Narcissus 'Hathor' — jonquilla daffodil
• Narcissus 'Hawera' — miniature daffodil
• Narcissus 'Heart to Heart'
• Narcissus 'Hillstar' — jonquilla daffodil
• Narcissus 'Honolulu' — double daffodil
• Narcissus 'Hunter Sunrise'
• Narcissus 'Ice Baby'
• Narcissus 'Ice Follies' — large-cupped daffodil
• Narcissus 'Ice Wings' — triandrus daffodil
• Narcissus 'Impreza'
• Narcissus 'Itzim'
• Narcissus 'Jenny' — cyclamineus daffodil
• Narcissus jonquilla 'Flore Pleno'
• Narcissus jonquilla var. henriquesii — miniature daffodil
• Narcissus 'Jules Verne' — large-cupped daffodil
• Narcissus 'Julia Jane' — hoop petticoat daffodil
• Narcissus 'Kapiti Peach'
• Narcissus 'Kassels Gold' — trumpet daffodil
• Narcissus 'Katie Heath' — triandus daffodil
• Narcissus 'Kedron' — large-cupped daffodil
• Narcissus 'Kokopelli'
• Narcissus 'La Belle'
• Narcissus 'Lancaster'
• Narcissus 'Larkwhistle' — cyclamineus daffodil
• Narcissus 'Laurens Koster' — tazetta daffodil
• Narcissus 'Lemon Beauty' — papillon daffodil
• Narcissus 'Liberty Bells' — triandrus daffodil
• Narcissus 'Little Alfred'
• Narcissus 'Little Gem'
• Narcissus 'Little Oliver'
• Narcissus 'Little Rusky'
• Narcissus 'Littlefield'
• Narcissus 'Llanfair'
• Narcissus 'Lucky Number'
• Narcissus ×macleayi
• Narcissus 'Mallee'
• Narcissus 'Manon Lescaut' — large-cupped daffodil
• Narcissus 'Martinette' — jonquilla
• Narcissus 'Mary Gay Lirette' — collar daffodil
• Narcissus 'Matapan' — small-cupped daffodil
• Narcissus 'Merels Favorite'
• Narcissus 'Merlin'
• Narcissus 'Mesa Verde'
• Narcissus 'Midget'
• Narcissus 'Minnow' — tazetta daffodil
• Narcissus 'Mint Julep' — small-cupped daffodil
• Narcissus 'Mite' — cyclaminius daffodil
• Narcissus 'Modern Art' — large-cupped daffodil
• Narcissus 'Mon Cherie' — large-cupped daffodil
• Narcissus 'Monal' — large-cupped daffodil
• Narcissus 'Moonlight Sensation'
• Narcissus 'More and More' — trumpet daffodil
• Narcissus 'Mount Hood' — trumpet daffodil
• Narcissus 'New-Baby' — miniature jonquilla daffodil
• Narcissus 'Night Cap' — large-cupped daffodil
• Narcissus 'Obdam' — double daffodil
• Narcissus obvallaris — Tenby daffodil
• Narcissus 'Odoratus'
• Narcissus ×odorus — Queen Anne's double jonquil
• Narcissus ×odorus 'Flore Pleno' — daffodil
• Narcissus ×odorus 'Plenus' — daffodil
• Narcissus 'Orange Cockade' — small-cupped daffodil
• Narcissus 'Orange Comet'
• Narcissus 'Orange Frilled' — large-cupped daffodil
• Narcissus 'Oxford Gold'
• Narcissus 'Pacific Coast' — miniature daffodil
• Narcissus 'Pacific Rim'
• Narcissus 'Palmares' — collar daffodil
• Narcissus 'Pappy George' — jonquilla daffodil
• Narcissus papyraceus — paper-white narcissus
• Narcissus 'Parisienne' — collar daffodil
• Narcissus 'Park Tropical'
• Narcissus 'Passionale' — large-cupped daffodil
• Narcissus 'Peaches and Cream' — large-cupped daffodil
• Narcissus 'Pencrebar' — double daffodil
• Narcissus 'Pet Finch' — jonquilla daffodil
• Narcissus 'Pink Charm' — large-cupped daffodil
• Narcissus 'Pink Paradise' — double daffodil
• Narcissus 'Pistachio' — trumpet daffodil
• Narcissus poeticus var. recurvus — pheasant's eye daffodil
• Narcissus 'Polar Hunter'
• Narcissus 'Polar Ice' — small-cupped daffodil
• Narcissus 'Popeye'
• Narcissus 'Precocious' — large-cupped daffodil
• Narcissus pseudonarcissus subsp. moschatus — daffodil
• Narcissus pseudonarcissus subsp. nobilis
• Narcissus 'Pueblo' — jonquilla daffodil
• Narcissus 'Rapture'
• Narcissus 'Red Curtain' — trumpet daffodil
• Narcissus 'Rijnveld's Early Sensation' — trumpet daffodil
• Narcissus 'Rikki' — jonquilla daffodil
• Narcissus 'Rip van Winkle' — double daffodil
• Narcissus romieuxii
• Narcissus 'Roseanna' — large-cupped daffodil
• Narcissus rupicola 'Yellow Pearl'
• Narcissus 'Sabrosa'
• Narcissus 'Sailboat' — jonquilla daffodil
• Narcissus 'Sailorman'
• Narcissus 'Scarlet Royal' — large-cupped daffodil
• Narcissus 'Sempre Avanti' — large-cupped daffodil
• Narcissus 'Silver Chimes' — tazetta daffodil
• Narcissus 'Silver Smiles'
• Narcissus 'Sir Winston Churchill' — double daffodil
• Narcissus 'Slice of Life'
• Narcissus 'Small Talk' — trumpet daffodil
• Narcissus 'Smiling Sun'
• Narcissus 'Smiling Twin'
• Narcissus 'Snow Baby'
• Narcissus 'Snowball'
• Narcissus 'Sorbet' — collar daffodil
• Narcissus 'Sound' — large-cupped daffodil
• Narcissus 'Sovereign'
• Narcissus 'Spoirot' — miniature daffodil
• Narcissus 'Starlight Sensation'
• Narcissus 'Stint' — triandrus daffodil
• Narcissus 'Stratosphere' — jonquilla daffodil
• Narcissus 'Sugarbush' — jonquilla daffodil
• Narcissus 'Sun Disc'
• Narcissus 'Sunlight Sensation' — triandrus daffodil
• Narcissus 'Surfside' — cyclamineus daffodil
• Narcissus 'Suzy' — jonquilla daffodil
• Narcissus 'Sweet Love'
• Narcissus 'Sweet Ocean'
• Narcissus 'Sweet Smiles'
• Narcissus 'Sweetness'
• Narcissus 'Tahiti' — double daffodil
• Narcissus 'Telamonius'
• Narcissus 'Telamonius Plenus' — Scrambled Eggs
• Narcissus 'Tête Bouclé'
• Narcissus 'Tête-à-Tête' — miniature daffodil
• Narcissus 'Thalia' — triandrus daffodil
• Narcissus 'Tittle Tattle' — jonquilla daffodil
• Narcissus 'Trepolo'
• Narcissus 'Tresamble' — triandrus daffodil
• Narcissus 'Trevithian'
• Narcissus 'Tricollet' — collar daffodil
• Narcissus 'Tropical Sunset'
• Narcissus 'Tullybeg' — small-cupped daffodil
• Narcissus 'Twinkling Yellow'
• Narcissus 'Ultimus' — large-cupped daffodil
• Narcissus 'Unsurpassable' — trumpet daffodil
• Narcissus 'Valdrome' — collar daffodil
• Narcissus 'Victoria von dem Busche'
• Narcissus 'Virginia Sunrise' — large-cupped daffodil
• Narcissus 'W.P. Milner' — trumpet daffodil
• Narcissus 'White Petticoat'
• Narcissus willkommii — jonquilla daffodil
• Narcissus 'Winter Waltz'
• Narcissus 'Wisley'
• Narcissus 'Xit'
• Narcissus 'Yazz'
• Narcissus 'Yellow Cheerfulness' — double daffodil
• Narcissus 'Yellow Parrot'
• Narcissus 'Yellow Sailboat'
• Nassella tenuissima — Mexican feather grass
• Nectaroscordum siculum subsp. bulgaricum
• Neillia tanakae — Japanese stephanandra
• Neltuma glandulosa
• Neltuma velutina — velvet mesquite
• Nelumbo nucifera — sacred lotus
• Neolepisorus fortunei — Fortune's ribbon fern
• Neolitsea daibuensis
• Neolitsea sericea — silky laurel
• Nepeta — catmint
• Nepeta 'Blue'
• Nepeta 'Chartreuse on the Loose' — catmint
• Nepeta 'Early Bird' — catmint
• Nepeta ×faassenii 'Novanepjun' — Junior Walker catmint
• Nepeta 'Joanna Reed' — catmint
• Nepeta multifida
• Nepeta 'Psfike' — Little Trudy catmint
• Nepeta 'Six Hills Giant' — catmint
• Nepeta subsessilis 'Blue Panther'
• Nepeta subsessilis 'Pink Panther'
• Nepeta — SylvesterBlue catmint
• Nerine 'Winter Sun' — Guernsey lily
• Nerium oleander 'Hardy Pink' — hardy oleander
• Nerium oleander 'Mathilde Ferrier' — hardy oleander
• Neviusia alabamensis — Alabama snow-wreath
• Nicotiana glauca 'Salta Blues' — blue tree tobacco
• Nicotiana longiflora
• Nolina — bear-grass
• Nolina durangensis — beargrass
• Nolina erumpens — foothill bear-grass
• Nolina lindheimeriana — devil's shoestring
• Nolina longifolia — Mexican grass tree
• Nolina nelsonii — Nelson's blue bear-grass
• Notholirion thomsonianum — Thomson's notholirion
• Notholithocarpus densiflorus var. echinoides — bush tanoak
• Nothoscordum gracile — slender false garlic
• Nothoscordum montevidense
• Nothoscordum sellowianum — false yellow crocus
• Nothotsuga longibracteata — Bristlecone hemlock
• Notocactus apricus — sun cup
• Notocactus floricomus — Tom Thumb cactus
• Notocactus laetivirens — ball cactus
• Notocactus mammulosus — Tom Thumb cactus
• Notocactus schlosseri
• Notocactus submammulosus — sub-nippled hardy notocactus
• Nymphaea 'Rosenymphe'
• Nyssa aff. schweliensis
• Nyssa sylvatica 'JFS-red' — Firestarter tupelo
• Nyssa sylvatica 'Miss Scarlet' — black gum
• Nyssa sylvatica (weeping)
• Nyssa ursina — bear tupelo

---

O

• Ocimum ×citriodorum 'Pesto Perpetuo'
• Odontonema tubaeforme — firespike
• Oenothera acaulis
• Oenothera argillicola — shale barren evening primrose
• Oenothera capillifolia subsp. berlandieri 'Butter Cream' — sundrop
• Oenothera capillifolia (Dripping Springs) — sundrops
• Oenothera fruticosa 'Fireworks' — evening primrose
• Oenothera 'Lemonade'
• Oenothera lindheimeri 'Little Janie' — wand flower
• Oenothera lindheimeri 'Sparkle White' — wand flower
• Oenothera lindheimeri
• Oenothera lindheimeri 'Walsilfou' — Walberton's Silver Fountain wand flower
• Oenothera macrocarpa 'Evening Sun'
• Oenothera serrulata 'Prairie Lode' — sundrops
• Oenothera 'Sunglow' — Ladybird Texas primrose
• Olsynium junceum subsp. depauperatum
• Ononis ramosissima — bush restharrow
• Ononis spinosa
• Onosma
• Onosma stellulata
• Onychium japonicum 'Sichuan Lace' — carrot fern
• Ophiopogon — mondo grass
• Ophiopogon bodinieri — mondo grass
• Ophiopogon 'Golden Zebra' — mondo grass
• Ophiopogon 'Hakuryukou-no-kawhrhi' — variegated mondo grass
• Ophiopogon 'Hosoba Kokuryu' — mondo grass
• Ophiopogon intermedius — Himalayan lilyturf
• Ophiopogon japonicus — mondo grass
• Ophiopogon japonicus 'Aritaki' — mondo grass
• Ophiopogon japonicus 'Gyoku Ryu' — dwarf mondo grass
• Ophiopogon japonicus 'Monkeyshine' — mondo grass
• Ophiopogon japonicus 'Nana Variegata' — dwarf mondo grass
• Ophiopogon japonicus 'Tuff Tuft Lavender' — mondo grass
• Ophiopogon (large fruit)
• Ophiopogon malcolmsonii — mondo grass
• Ophiopogon planiscapus — mondo grass
• Ophiopogon planiscapus 'Kokuryu' — black mondo grass
• Ophiopogon umbraticola — mondo grass
• Ophiopogon umbraticola 'Sparkler' — mondo grass
• Opuntia — prickly-pear
• Opuntia aurea — golden prickly pear
• Opuntia aurea 'Al Parker' — Walk in Beauty golden prickly pear
• Opuntia aurea 'Apricot Glory' — Walk in Beauty golden prickly pear
• Opuntia aurea 'Chocolate Princess' — Walk in Beauty golden prickly pear
• Opuntia aurea 'Colorado Sunset' — Walk in Beauty golden prickly pear
• Opuntia aurea 'Coombe's Winter Glow' — golden prickly pear
• Opuntia aurea 'Hawaiian Punch' — Walk in Beauty golden prickly pear
• Opuntia aurea 'Ruffle Apricot' — Walk in Beauty golden prickly pear
• Opuntia cacanapa 'Ellisiana' — spineless prickly-pear
• Opuntia clavata — club cholla
• Opuntia fragilis
• Opuntia fragilis 'Potato'
• Opuntia fragilis 'Tiny Michigan Form'
• Opuntia gilvescens 'Oklahoma Pancake' — western prickly pear cactus
• Opuntia humifusa — prickly pear cactus
• Opuntia humifusa 'Sunshine' — eastern prickly pear cactus
• Opuntia phaeacantha 'Mesa Sky' — tulip prickly pear cactus
• Opuntia phaeacantha 'Plum'
• Opuntia polyacantha 'Crystal Tide'
• Opuntia polyacantha f. rosaeflora — Plains prickly-pear
• Opuntia polycantha 'Peter Pan'
• Opuntia pusilla — beach prickly-pear cactus
• Opuntia woodsii — prickly pear cactus
• Orbexilum pedunculatum
• Orbexilum psoralioides — spider flower
• ×Oredenia 'Fusion of Fire'
• Oreocharis pankaiyuae — golden tremacron
• Oreocharis speciosa
• Origanum acutidens
• Origanum 'Amethyst Falls' — ornamental oregano
• Origanum 'Gilt Trip' — oregano
• Origanum laevigatum 'Lizzie' — oregano
• Origanum laevigatum 'Pilgrim' — oregano
• Origanum vulgare 'Aureum' — gold leafed oregano
• Orixa japonica — Japanese orixa
• Orixa japonica 'Pearl Frost' — variegated Japanese orixa
• Ornithogalum balansae
• Ornithogalum magnum — star of Bethlehem
• Ornithogalum viridiflorum
• Orostachys boehmeri — dunce cap
• Orostachys fimbriata
• Orostachys malacophylla — duncecap
• Orostachys malacophylla var. aggregata
• Osmanthus
• Osmanthus armatus — devil wood
• Osmanthus armatus 'Jim Porter' — devil wood
• Osmanthus armatus ('Jim Porter' variegated) — devil wood
• Osmanthus armatus 'Zipline' — devil wood
• Osmanthus ×fortunei — Fortune's osmanthus
• Osmanthus ×fortunei 'Carl Wheeler' — Fortune's osmanthus
• Osmanthus ×fortunei (entire leaf form) — Fortune's osmanthus
• Osmanthus ×fortunei 'Mokusui' — Fortune's osmanthus
• Osmanthus ×fortunei 'Ninth and Polk' — Fortune's osmanthus
• Osmanthus ×fortunei 'UNC' — Fortune's osmanthus
• Osmanthus fragrans var. aurantiacus — orange flowered tea olive
• Osmanthus fragrans f. aurantiacus 'Apricot Echo' — sweet olive
• Osmanthus fragrans var. aurantiacus 'Beni Kin Mokusei' — sweet olive
• Osmanthus fragrans f. aurantiacus 'Butter Yellow' — yellow sweet olive
• Osmanthus fragrans f. aurantiacus 'Conger Yellow' — yellow sweet olive
• Osmanthus fragrans f. aurantiacus 'Live Oak Gold' — golden sweet olive
• Osmanthus fragrans f. aurantiacus 'Orange Supreme' — orange sweet olive
• Osmanthus fragrans 'Chuang Tong Jing Gui' — sweet olive
• Osmanthus fragrans 'Da Hong Zhu Sha Gui' — sweet olive
• Osmanthus fragrans (female) — sweet olive
• Osmanthus fragrans 'Gold Splash' — sweet olive
• Osmanthus fragrans 'Qiannan Guifei' — sweet olive
• Osmanthus fragrans 'Rixiang Gui' — sweet olive
• Osmanthus fragrans var. thunbergii — Japanese sweet olive
• Osmanthus fragrans 'Tianxiang Taige' — sweet olive
• Osmanthus fragrans 'Yinbi Shuanghui' — sweet olive
• Osmanthus fragrans 'Zao Hong Don Gui' — sweet olive
• Osmanthus heterophyllus 'Akebono' — holly olive
• Osmanthus heterophyllus (ex. 'Sasaba') — holly olive
• Osmanthus heterophyllus 'Fastigiata' — holly olive
• Osmanthus heterophyllus 'Goshiki' — holly olive
• Osmanthus heterophyllus 'Hamakita Shirofu' — holly olive
• Osmanthus heterophyllus 'Hariyama' — holly olive
• Osmanthus heterophyllus 'Kaori Hime' — Chinese false holly
• Osmanthus heterophyllus 'Kembu' — holly olive
• Osmanthus heterophyllus 'Latifolius Variegatus' — holly olive
• Osmanthus heterophyllus (No. 2) — holly olive
• Osmanthus heterophyllus 'Ogon' — gold holly olive
• Osmanthus heterophyllus 'Purpureus' — holly olive
• Osmanthus heterophyllus 'Sasaba' — holly olive
• Osmanthus heterophyllus 'Shien' — Party Lights holly olive
• Osmanthus heterophyllus 'Subangulatus' — holly olive
• Osmanthus cf. serrulatus — serrate leaf sweet olive
• Osmunda japonica — Asian royal fern
• Ostrya japonica — Japanese hophornbeam
• Oxalis bowiei — Cape shamrock
• Oxalis crassipes 'Alba'
• Oxalis crassipes 'Cherry Spritzer'
• Oxalis debilis var. corymbosa 'Aureoreticulata' — pink woodsorrel
• Oxalis flava (yellow)
• Oxalis lasiandra
• Oxalis pardalis
• Oxalis tetraphylla — iron cross lucky clover
• Oxalis tetraphylla 'Iron Cross'
• Oxalis triangularis — false shamrock
• Oxalis triangularis 'Ebony' — ALLURE false shamrock
• Oxalis triangularis 'Fanny' — Wood Sorrel
• Oxalis triangularis 'Irish Mist' — false shamrock
• Oxalis triangularis (Irish Mist x Atropurpurea) — false shamrock
• Oxalis triangularis 'Mijke' — purple shamrock
• Oxalis triangularis subsp. papilionacea — purple false shamrock
• Oxydendrum arboreum 'Mike's Streamer'
• Oxypetalum coeruleum — tweedia
• Oxypetalum tomentosum — wooly dogbane

---

P

• Pachysandra axillaris subsp. stylosa — Chinese pachysandra
• Pachysandra procumbens — Allegheny spurge
• Pachysandra terminalis 'Cutleaf' — Japanese pachysandra
• Pachysandra terminalis 'Green Sheen' — Japanese pachysandra
• Paeonia 'Amalia Olson' — garden peony
• Paeonia 'Armani' — garden peony
• Paeonia 'Bartzella' — Itoh hybrid peony
• Paeonia 'Bernice Carr' — garden peony
• Paeonia aff. caucasica — species peony
• Paeonia 'Cora Louise' — Itoh peony
• Paeonia 'Coral Charm' — garden peony
• Paeonia 'Coral 'n Gold' — garden peony
• Paeonia 'Coral Sunset' — garden peony
• Paeonia 'Cytherea' — garden peony
• Paeonia 'Do Tell' — garden peony
• Paeonia 'Early Scout' — garden peony
• Paeonia 'Eliza Lundy' — garden peony
• Paeonia 'Fairfield' — garden peony
• Paeonia 'Garden Lace' — garden peony
• Paeonia 'Garden Treasure' — Itoh peony
• Paeonia 'Hillary' — Itoh peony
• Paeonia 'Honor' — garden peony
• Paeonia 'Krinkled White' — garden peony
• Paeonia lactiflora — garden peony
• Paeonia lactiflora 'Festiva Maxima' — garden peony
• Paeonia lactiflora 'Karl Rosenfield' — garden peony
• Paeonia 'Miss America' — garden peony
• Paeonia 'Nice Gal' — garden peony
• Paeonia ostii 'Feng Dan Bai' — Phoenix White Osti's tree peony
• Paeonia 'Pecher' — garden peony
• Paeonia peregrina — species peony
• Paeonia 'Pink Double Dandy' — Keiko Itoh peony
• Paeonia 'Pink Hawaiian Coral' — garden peony
• Paeonia 'Prairie Charm' — Itoh peony
• Paeonia 'Requiem' — garden peony
• Paeonia 'Rozella' — garden peony
• Paeonia 'Scarlett O'Hara' — garden peony
• Paeonia 'Scrumdidleyumptious' — Itoh peony
• Paeonia 'Seashell' — garden peony
• Paeonia 'Smith Opus 2' — Takara garden peony
• Paeonia 'Smithopus10' — Candy Apple Itoh peony
• Paeonia 'Smithopus14' — Hot Tamale Itoh peony
• Paeonia 'Smithopus3' — Double Bubble Pink Itoh peony
• Paeonia 'Smithopus5' — Peach-A-Licious Itoh peony
• Paeonia 'Stellar Charm' — garden peony
• Paeonia suffruticosa 'Sahohine' — tree peony
• Paeonia suffruticosa 'Shima-nishiki' — bicolor tree peony
• Paeonia suffruticosa 'Shimadaijin' — tree peony
• Paeonia 'The Fawn' — garden peony
• Paeonia 'Topeka Garnet' — garden peony
• Paeonia 'Trafford W. Bigger' — garden peony
• Paeonia 'White Frost' — garden peony
• Paesia scaberula — scented fern
• Pancratium canariense — Canary sea daffodil
• Panicum amarum 'Dewey Blue' — common switch grass
• Panicum 'Cape Breeze' — common switch grass
• Panicum virgatum — common switch grass
• Panicum virgatum 'Cheyenne Sky' — Prairie Winds common switch grass
• Panicum virgatum 'Dallas Blues' — common switch grass
• Panicum virgatum 'Heavy Metal' — common switch grass
• Panicum virgatum 'Northwind' — common switch grass
• Panicum virgatum 'Rr1' — Ruby Ribbons common switch grass
• Panicum virgatum 'Summer Sunrise' — common switch grass
• Panicum virgatum 'Thundercloud' — common switch grass
• Paradisea liliastrum — St. Bruno's lily
• Paris
• Paris chinensis
• Parodia
• Parrotia persica 'Burgundy' — Persian ironwood
• Parrotia persica 'Chrishaven1' — Golden Bell Tower ironwood
• Parrotia persica 'Henry's Dwarf'
• Parrotia persica 'Pendula' — weeping Persian ironwood
• Parrotia persica 'Persian Lace' — ironwood
• Parrotia persica 'Victor' — Persian ironwood
• Parrotia subaequalis — Chinese ironwood
• Parrotia subaequalis 'Mikinori'
• Parrotiopsis jacquemontiana — false ironwood
• Parthenocissus henryana 'Evening Gloves' — silvervein creeper
• Parthenocissus tricuspidata — Boston ivy
• Parthenocissus tricuspidata 'Fenway Park' — Boston ivy
• Parthenocissus tricuspidata 'Ginza Light' — Boston ivy
• Passiflora 'Elizabeth' — passion flower
• Passiflora incarnata (white form) — white maypop passion flower
• Passiflora 'Inspiration' — purple passion flower
• Passiflora 'Lady Margaret' — passion flower
• Passiflora 'Monika Fischer' — passion flower
• Patrinia
• Patrinia monandra
• Patrinia scabiosifolia — golden lace
• Pavonia aurigloba — Brazillian candles
• Pavonia brasiliensis
• Pavonia glechomoides — swamp mallow
• Pelargonium
• Pelargonium ranunculophyllum
• Pelargonium transvaalense 'African Princess' — hardy pelargonium
• Peltandra virginica — arrow arum
• Peltophorum dubium — yellow poinciana
• Pennisetum alopecuroides 'Etouffee' — fountain grass
• Pennisetum alopecuroides 'Lemon Squeeze' — fountain grass
• Pennisetum orientale 'Karley Rose' — fountain grass
• Pennisetum orientale 'Tall Tails' — fountain grass
• Pennisetum purpureum — elephant grass
• Pennisetum purpureum 'Prince' — elephant grass
• Penstemon — beardtongue
• Penstemon barbatus 'Elfin Pink' — golden-beard penstemon
• Penstemon barbatus 'Novapenrub' — Rock Candy Ruby golden-beard penstemon
• Penstemon 'Dark Towers' — beard tongue
• Penstemon aff. digitalis — beardtongue
• Penstemon digitalis 'Blackbeard' — beardtongue
• Penstemon 'Flock of Flamingos' — penstemon
• Penstemon hirsutus — hairy beardtongue
• Penstemon laevigatus
• Penstemon
• Penstemon 'Onyx and Pearls' — beardtongue
• Penstemon 'Parade of Parrots' — penstemon
• Penstemon tenuis — sharpsepal beardtongue
• Perovskia atriplicifolia 'CrazyBlue' — Russian sage
• Perovskia atriplicifolia 'Lisslitt' — Lacey Blue Russian sage
• Perovskia 'Novaperlac'
• Persea liebmannii — Mexican redbay
• Persicaria amplexicaulis 'Fat Domino'
• Persicaria amplexicaulis 'Firetail' — mountain fleece flower
• Persicaria amplexicaulis 'Golden Arrow' — mountain fleece
• Persicaria microcephala 'Red Dragon' — knotweed
• Persicaria virginiana 'Painter's Palette' — variegated Virginia knotweed
• ×Petchoa 'KLECA24829' (Enviva Blue)
• Petrosedum rupestre — Jenny's stonecrop
• Petrosedum rupestre 'Nonal' — Sunsplash Jenny's stonecrop
• Petrosedum rupestre (red leaf form) — Jenny's stonecrop
• Petunia exserta
• Peucedanum japonicum 'Hakikomi Fu'
• Phalocallis coelestis — goblet flower
• Phedimus 'Czar's Gold' — Mongolian stonecrop
• Phedimus selskianus — Amur stonecrop
• Phedimus selskianus 'Goldilocks' — Amur stonecrop
• Phedimus sichotensis
• Phedimus spurious 'Voodoo' — Caucasian stonecrop
• Phemeranthus calycinus — cherry sunbright
• Phemeranthus parviflorus — sunbright
• Philadelphus — mock-orange
• Philadelphus coronarius 'Aureus' — mock-orange
• Philadelphus 'G15-097' — Pearls of Perfume mock-orange
• Philadelphus 'NC-Phi13' — mock-orange
• Philadelphus 'Polar Star' — mock-orange
• Philadelphus satsumi — mock-orange
• Philadelphus 'Silberregen' — silver showers mock-orange
• Philadelphus 'Snow Velvet' — mock-orange
• Philadelphus 'Snowwhite Fantasy' — Snow White Sensation mock-orange
• Philadelphus 'Starbright' — mock-orange
• Philadelphus tomentosus — fuzzy mock-orange
• Phlomis bourgaei — Bourgeau sage
• Phlomis chrysophylla — Jerusalem sage
• Phlomis ×cytherea
• Phlomis fruticosa — Jerusalem sage
• Phlomis grandiflora — Jerusalem sage
• Phlomis herba-venti — Iranian Jerusalem sage
• Phlomis lychnitis — candela
• Phlomis lycia
• Phlomis viscosa — viscid Jerusalem sage
• Phlomoides maximowiczii — torchwort
• Phlomoides pratensis
• Phlomoides tuberosa — tuberous Jerusalem sage
• Phlox 'Amethyst Pearl' — garden phlox
• Phlox 'Bedazzled Lavender' — garden phlox
• Phlox carolina 'Kim' — Carolina phlox
• Phlox divaricata 'Blue Moon' — woodland phlox
• Phlox divaricata subsp. laphamii 'Chattahoochee' — woodland phlox
• Phlox 'KazI14830' — Gisele White garden phlox
• Phlox — Multi Confetti Spring garden phlox
• Phlox nivalis 'Camla' — trailing phlox
• Phlox nivalis (near white) — trailing phlox
• Phlox 'Opening Act White' — garden phlox
• Phlox paniculata 'Backlight' — Luminary garden phlox
• Phlox paniculata 'David' — garden phlox
• Phlox paniculata 'Delta Snow' — tall phlox
• Phlox paniculata 'Jeana' — tall phlox
• Phlox paniculata 'John Fanick' — tall phlox
• Phlox paniculata 'Red Riding Hood' — tall phlox
• Phlox paniculata 'Shockwave' — garden phlox
• Phlox pilosa — downy phlox
• Phlox pulchra (Cahaba River)
• Phlox subulata 'Emerald Blue' — moss phlox
• Phlox subulata 'Herbert'
• Phlox subulata 'Nettleton Variation' — nettleton's variegated leaf thrift
• Phlox subulata 'Spring Dark Pink'
• Phlox 'Wanda' — garden phlox
• Phoebe sheareri
• Phormium 'Amazing Red'
• Phormium 'Apricot Queen' — New Zealand flax
• Phormium colensoi — mountain flax
• Phormium 'Evening Glow'
• Phormium 'Jester'
• Phormium 'Mat's Merlot'
• Phormium 'Rainbow Maiden'
• Photinia davidiana 'Palette' — Chinese photinia
• Photinia ×fraseri 'Cassini' — Pink Marble red tip photinia
• Photinia integrifolia — Himalayan chokeberry
• Photinia niitakayamensis — Yushan pear
• Photinia serratifolia 'Green Giant' — Chinese photinia
• Photinia villosa 'Village Shade' — downy photinia
• Phuopsis stylosa — crosswort
• Phygelius 'TNPHYCRO' — Colorburst Rose cape fuchsia
• Phygelius 'Trewidden Pink' — Cape fuchsia
• Phyllocladus cf. alpinus — mountain toatoa
• Phyllostachys nigra — black bamboo
• Physocarpus capitatus — western ninebark
• Physocarpus malvaceus — mallow ninebark
• Physocarpus opulifolius 'Donna May' — Little Devil ninebark
• Physocarpus opulifolius 'Nanus' — dwarf ninebark
• Physocarpus opulifolius 'ZLEYel2' — Raspberry Lemonade dwarf ninebark
• Physostegia virginiana 'Vivid' — obedient plant
• Picea abies 'Dandylion' — Norway spruce
• Picea abies 'Dan's Dwarf' — Norway spruce
• Picea abies 'Jessy' — Norway spruce
• Picea abies 'Maxwellii' — Norway spruce
• Picea abies 'Perry's Gold' — Norway spruce
• Picea alcoquiana 'Prostrata' — prostrate Alcock spruce
• Picea glauca 'Ducharme' — dwarf white spruce
• Picea glauca 'Westervelt' — Skinny Blue Genes Black Hills spruce
• Picea likiangensis var. montigena — northern Likiang spruce
• Picea martinezii — Nuevo León spruce
• Picea omorika 'Bruns' — Serbian Spruce
• Picea omorika 'Kuck's Weeping' — weeping Serbian spruce
• Picea omorika 'Osmaston No. 1' — dwarf Serbian spruce
• Picea orientalis — Caucasian spruce
• Picea orientalis 'Aureospicata' — gold-tip Caucasian spruce
• Picea orientalis 'Nana' — Caucasian spruce
• Picea orientalis 'Skylands' — Caucasian spruce
• Picea pungens 'Gebelle's' — Golden Spring Colorado spruce
• Picea pungens 'Hoopsii' — Colorado spruce
• Picea pungens 'Maigold' — Colorado spruce
• Picea pungens 'Thuem' — Colorado spruce
• Picea rubens 'HB' — red spruce
• Picea torano — tiger-tail spruce
• Pieris japonica 'Compacta' — Japanese andromeda
• Pieris japonica 'Farrowpjrf' — Interstella Japanese andromeda
• Pieris japonica 'Purity' — Japanese andromeda
• Pieris japonica 'Pygmaea' — pygmy Japanese andromeda
• Pieris taiwanensis — Formosan andromeda
• Pinellia peltata
• Pinus armandii var. mastersiana — Masters' pine
• Pinus bungeana — lacebark pine
• Pinus bungeana 'Silver Ghost' — lacebark pine
• Pinus densiflora 'Burke's Red Variegated' — variegated Japanese red pine
• Pinus densiflora 'Cesarini's Variegated' — Japanese red pine
• Pinus densiflora 'Green Diamond' — Japanese red pine
• Pinus densiflora 'Low Glow' — dwarf Japanese red pine
• Pinus densiflora 'Vibrant' — dwarf Japanese red pine
• Pinus 'Domingo' — white pine
• Pinus heldreichii 'Irish Bell' — Bosnian pine
• Pinus heldreichii 'Mint Truffle' — Bosnian Pine
• Pinus koraiensis 'Dragon's Eye' — Korean pine
• Pinus koraiensis 'Jack Corbit' — Korean pine
• Pinus kwangtungensis — Guangdong white pine
• Pinus morrisonicola — Taiwan white pine
• Pinus mugo 'Piggelmee' — mugo pine
• Pinus mugo 'Spilled Milk' — mugo pine
• Pinus nigra 'Arnold Sentinel' — fastigiate Austrian black pine
• Pinus parviflora 'Aoi' — Japanese white pine
• Pinus parviflora 'Brevifolia' — Japanese white pine
• Pinus parviflora 'Gimborn's Ideal' — Japanese white pine
• Pinus parviflora 'Negishi' — Japanese white pine
• Pinus ×schwerinii 'Wiethorst' — Schwerin's pine
• Pinus strobiformis 'Foxtail' — compact southwestern white pine
• Pinus strobus 'Diggy' — eastern white pine
• Pinus strobus 'Golden Showers' — eastern white pine
• Pinus strobus 'Greg'
• Pinus strobus 'Pendula' — eastern white pine
• Pinus sylvestris 'Green Penguin' — scotch pine
• Pinus sylvestris 'KBN Gold' — Scots pine
• Pinus sylvestris 'Moseri' — Scots pine
• Pinus tabuliformis 'Twisted Sister' — Chinese pine
• Pinus taeda — loblolly pine
• Pinus taeda 'Little Albert' — dwarf loblolly pine
• Pinus taeda NCSU Dwarf Group — dwarf loblolly pine
• Pinus thunbergii (Corticosa group) — cork-bark Japanese black pine
• Pinus thunbergii 'Emery's Dwarf' — Japanese black pine
• Pinus thunbergii 'Kotobuki' — dwarf Japanese black pine
• Pinus thunbergii 'War Bonnet' — Japanese black pine
• Piper auritum — root beer plant
• Piper kadsura 'Pied Piper' — Japanese pepper
• Pittosporum — pittosporum
• Pittosporum heterophyllum — Chinese pittosporum
• Pittosporum heterophyllum 'Variegatum' — variegated pittosporum
• Pittosporum heterophyllum 'Winter Frost' — Chinese pittosporum
• Pittosporum illicioides 'Strappy' — narrow-leaved pittosporum
• Pittosporum parvilimbum
• Pittosporum 'Sappy' — pittosporum
• Pittosporum tobira 'Kansai Sunburst' — Japanese pittosporum
• Pittosporum tobira 'Spring Bouquet' — Japanese pittosporum
• Pittosporum tobira 'Tall 'N Tough' — Japanese pittosporum
• Pittosporum aff. truncatum — truncated pittosporum
• Pityopsis graminifolia — narrowleaf silk-grass
• Planera aquatica — water elm
• Planera aquatica 'Falling Waters' — weeping water elm
• Platanus lindeniana — Linden's plane tree
• Platanus rzedowskii — Rzedowski's sycamore
• Platycladus orientalis — oriental arborvitae
• Platycladus orientalis 'Coral Queen' — oriental arborvitae
• Platycladus orientalis 'Franky Boy' — oriental arborvitae
• Platycladus orientalis 'Morgan' — oriental arborvitae
• Platycladus orientalis 'Southport' — oriental arborvitae
• Platycodon grandiflorus 'Double Blue' — balloon flower
• Platycodon grandiflorus 'Fuji White' — white balloon flower
• Platycodon grandiflorus 'Uzukikyo' — balloon flower
• Pleione Alishan gx — hardy orchid
• Pleione Irazu gx — Tibetan orchid
• Pleione limprichtii — hardy Chinese orchid
• Pleione Vesuvius gx — Tibetan orchid
• Pleopeltis bombycina 'Morro dos Conventos'
• Pleopeltis guttatum — Mexican licorice fern
• Podocarpus acutifolius — needle-leaved totara
• Podocarpus chinensis — Chinese podocarpus
• Podocarpus chingianus (upright Alabama form) — Ching's yew
• Podocarpus 'Flame' — Buddhist pine
• Podocarpus forrestii
• Podocarpus lawrencei 'Purple King' — mountain plum-pine
• Podocarpus macrophyllus — Buddhist pine
• Podocarpus macrophyllus 'Akame' — Buddhist pine
• Podocarpus macrophyllus 'Aureus' — Buddhist pine
• Podocarpus macrophyllus (dwarf) — Buddhist pine
• Podocarpus macrophyllus (ex 'Okina') — Buddhist pine
• Podocarpus macrophyllus var. maki 'Argenteus' — bigleaf Buddhist pine
• Podocarpus macrophyllus var. maki 'Edgefield Hardy' — bigleaf Buddhist pine
• Podocarpus macrophyllus var. maki (ex. 'Edgefield Hardy') — bigleaf Buddhist pine
• Podocarpus macrophyllus var. maki 'Kinme' — bigleaf Buddhist pine
• Podocarpus macrophyllus 'Miu' — Roman Candle Buddhist pine
• Podocarpus macrophyllus 'Okina' — Buddhist pine
• Podocarpus macrophyllus 'Pringle's Dwarf' — Buddhist pine
• Podocarpus macrophyllus 'Sunshine Spire' — Buddhist pine
• Podocarpus macrophyllus 'Uptight' — Buddhist pine
• Podocarpus macrophyllus (variegated) — Buddhist pine
• Podocarpus matudae — Bird's tongue pine
• Podocarpus 'Orangeade' — plum pine
• Podocarpus pilgeri — Pilger's plum pine
• Podocarpus totara 'Aureus' — golden totara
• Podophyllum hexandrum — Himalayan mayapple
• Podophyllum peltatum — mayapple
• Podophyllum peltatum 'Wagon Wheel' — mayapple
• Podophyllum pleianthum — Chinese mayapple
• Podophyllum 'Spotty Dotty' — hybrid mayapple
• Podophyllum versipelle
• Polianthes ×bundrantii — Mexican firecracker
• Polianthes 'Chirp'
• Polianthes 'Sunset'
• Polianthes tuberosa 'Sensation' — tuberose
• Polianthes tuberosa 'Swarna Rekah' — tuberose
• Polianthes tuberosa 'Yellow Baby' — tuberose
• Poliomintha bustamanta — Mexican oregano
• Poliothyrsis sinensis — Chinese pearlbloom
• Polygonatum — Solomon's seal
• Polygonatum arisanense var. formosanum — Solomon's seal
• Polygonatum biflorum — smooth Solomon's seal
• Polygonatum biflorum 'Arkansas Giant' — Solomon's seal
• Polygonatum biflorum 'Prince Charming' — dwarf smooth Solomon's seal
• Polygonatum bulbosum — Solomon's seal
• Polygonatum cyrtonema — Solomon's seal
• Polygonatum falcatum 'Nippon Sunbeam' — Solomon's seal
• Polygonatum hirtum (dwarf form) — dwarf glossy leaf Solomon seal
• Polygonatum huanum (variegated)
• Polygonatum involucratum — Solomon's seal
• Polygonatum involucratum 'Shiro Shima Fu'
• Polygonatum kingianum — Solomon's seal
• Polygonatum kingianum (orange flowered form) — Solomon's seal
• Polygonatum latifolium — Solomon's seal
• Polygonatum latifolium 'Heronswood' — Solomon's seal
• Polygonatum macranthum 'Tiger Stripes' — Solomon's seal
• Polygonatum aff. mengtzense
• Polygonatum multiflorum — European Solomon's seal
• Polygonatum odoratum — Solomon's seal
• Polygonatum odoratum 'Akaijaku' — Solomon's seal
• Polygonatum odoratum 'Byakko' — Solomon's seal
• Polygonatum odoratum 'Double Stuff' — Soloman's seal
• Polygonatum odoratum 'Fireworks' — Solomon's seal
• Polygonatum odoratum 'Goldilocks' — Solomon's seal
• Polygonatum odoratum 'Ki Chou' — Solomon's seal
• Polygonatum odoratum var. maximowiczii — Solomon's seal
• Polygonatum odoratum var. maximowiczii 'Sajin' — Solomon's seal
• Polygonatum odoratum var. maximowiczii 'Tsumugi Nishiki' — Solomon's seal
• Polygonatum odoratum var. pluriflorum 'Jinguji' — Solomon's seal
• Polygonatum odoratum var. pluriflorum 'Variegatum' — Solomon's seal
• Polygonatum prattii — Chinese Solomon's seal
• Polygonatum sibiricum (tetraploid) — Solomon's seal
• Polygonatum (streaky foliage)
• Polygonatum uncinatum — Solomon's seal
• Polygonatum urceolatum — Solomon's seal
• Polygonatum verticillatum (streaked)
• Polygonatum vietnamicum — Solomon's seal
• Polygonatum yunnanense — Solomon's seal
• Polygonatum zhejiangensis — giant Solomon's seal
• Polyspora — fried egg tree
• Polyspora (2018-103)
• Polyspora 'JC Raulston Select'
• Polystichum — fern
• Polystichum acrostichoides — Christmas fern
• Polystichum luctuosum (ex. 'Silver Moon')
• Polystichum makinoi — Makino's shield fern
• Polystichum munitum — western swordfern
• Polystichum polyblepharum — tassel fern
• Polystichum tsus-simense — Korean rock fern
• Polystichum tsus-simense var. mayebarae 'Tao Yuan Giant' — tassel fern
• Populus monticola — white bark cottonwood
• Potentilla argentea — silvery cinquefoil
• Potentilla neumanniana
• Primula 'Dale Henderson' — garden primrose
• Primula japonica — Japanese primrose
• Primula kisoana var. alba
• Primula palinuri — bear's ear
• Primula sieboldii 'Drag Queen'
• Primula sieboldii 'Fuji Snow'
• Primulina liguliformis
• Proboscidea louisianica
• Pronephrium penangianum — Chinese peng fern
• Prospero autumnale
• Prunella laciniata — cutleaf selfheal
• Prunus ×blireana — Blireana plum
• Prunus campanulata — Taiwan cherry
• Prunus incisa — Fuji cherry
• Prunus incisa 'Rinpo' — Zuzu dwarf Fuji cherry
• Prunus incisa 'Shikizaki' — weeping Fuji cherry
• Prunus jacquemontii — Afghan bush cherry
• Prunus 'JFS-KW 14' — First Blush flowering cherry
• Prunus laurocerasus 'Chestnut Hill' — dwarf cherry laurel
• Prunus laurocerasus 'Majestic Jade' — cherry laurel
• Prunus mexicana — Mexican plum
• Prunus mume — flowering apricot
• Prunus mume 'Big Joe' — flowering apricot
• Prunus mume 'Bonita' — flowering apricot
• Prunus mume 'Bridal Veil' — flowering apricot
• Prunus mume (Chicory Nursery clone) — flowering apricot
• Prunus mume 'Kobai' — flowering apricot
• Prunus mume 'Nicholas' — flowering apricot
• Prunus mume 'Okitsu-akabana' — flowering apricot
• Prunus mume 'Omoi-no-mama' — flowering apricot
• Prunus mume 'Peggy Clarke' — flowering apricot
• Prunus mume 'Rose Bud' — flowering apricot
• Prunus mume 'Tojibai' — flowering apricot
• Prunus mume 'Yuh-Hwa' — flowering apricot
• Prunus (NA 63480) — U.S. National Arboretum hybrid flowering cherry
• Prunus persica 'Bonfire' — purple-leaf peach
• Prunus persica 'Corinthian Pink' — columnar flowering peach
• Prunus persica 'NC Peach-6' — Ruby Ruffle purple-leaf dwarf peach
• Prunus persica 'NCSU Dwarf Double Red' — flowering peach
• Prunus sargentii 'JFS KW21PS' — Pink Myst Sargent's cherry
• Prunus takesimensis — Ullung-do cherry
• Prunus 'Ukon' — green-flowering cherry
• Prunus 'Umineko' — Japanese flowering cherry
• Prunus virginiana 'Canada Red' — chokecherry
• Pseudocydonia sinensis — Chinese quince
• Pseudolarix amabilis — golden larch
• Pseudolysimachion kiusianum — speedwell
• Pseudomuscari coeleste
• Pseudotsuga sinensis var. wilsoniana — Taiwan Douglas-fir
• Ptelea trifoliata — hop tree
• Ptelea trifoliata subsp. polyadenia — hop tree
• Pteris cretica 'Eco Hardy Giant' — Cretan brake fern
• Pteris cretica var. laeta 'Wu Wu' — ribbon fern
• Pterocarya rhoifolia — Japanese wingnut
• Pterocarya tonkinensis — Tonkin wingnut
• Pteroceltis tatarinowii — blue sandalwood
• Pterostyrax corymbosus 'Silver Shadow' — little epaulettetree
• Pueraria montana var. lobata 'Sherman's Ghost' — variegated kudzu
• Pulmonaria 'Silver Scimitar'
• Pulmonaria 'Spot On' — lungwort
• Pulmonaria 'Twinkle Toes' — lungwort
• Pulsatilla cernua — pasque-flower
• Pulsatilla dahurica — pasque flower
• Pulsatilla georgica — pasque flower
• Pulsatilla halleri — Haller's pasque-flower
• Pulsatilla halleri subsp. slavica — Slovak pasque flower
• Pulsatilla halleri subsp. styriaca — Steiermark pasque-flower
• Pulsatilla montana subsp. jankae — mountain anemone
• Pulsatilla patens — pasque flower
• Pulsatilla pratensis subsp. nigricans — pasqueflower
• Pulsatilla vulgaris — pasque flower
• Pulsatilla vulgaris subsp. grandis
• Pulsatilla vulgaris 'Rosen Glocke' — Rose Bells pasque flower
• Pulsatilla vulgaris 'Rote Glocke' — Red Bells pasque flower
• Punica granatum 'Agat' — pomegranate
• Punica granatum 'Blaze' — pomegranate
• Punica granatum 'Dotch Legrelley' — pomegranate
• Punica granatum (double red-white) — pomegranate
• Punica granatum 'Gosai-ryu' — pomegranate
• Punica granatum (large, double white) — pomegranate
• Punica granatum 'Loffani' — pomegranate
• Punica granatum 'Mini Frances' — dwarf pomegranate
• Punica granatum 'Salavatski' — pomegranate
• Punica granatum 'State Fair' — dwarf pomegranate
• Punica granatum 'Surh-anor' — pomegranate
• Punica granatum (variegated) — variegated pomegranate
• Puschkinia scilloides 'Alba'
• Pycnanthemum flexuosum — Appalachian mountain mint
• Pycnanthemum incanum — mountain mint
• Pycnanthemum loomisii — Loomis's mountain mint
• Pycnanthemum muticum — mountain mint
• Pycnanthemum tenuifolium — mountain mint
• Pycnanthemum tenuifolium 'Campbell Carpet' — mountain mint
• Pyracantha 'Cadange' — Saphyr Orange firethorn
• Pyracantha 'Red Cushion' — firethorn
• Pyracantha (UNCC dwarf) — firethorn
• ×Pyracomeles vilmorinii — Vilmorin's pyracomeles
• Pyrenaria (compact form) — common tutcheria
• Pyrgophyllum yunnanense — Yunnan hardy dwarf ginger
• Pyrrosia
• Pyrrosia drakeana — felt fern
• Pyrrosia lingua 'Alabama Gold' — tongue fern
• Pyrrosia lingua 'Hiryu' — tongue fern
• Pyrrosia lingua 'Kei Kan' — tongue fern
• Pyrrosia lingua 'Kel Kan' — tongue fern
• Pyrrosia lingua 'Limon' — tongue fern
• Pyrrosia lingua 'Ogon Nishiki' — tongue fern
• Pyrrosia lingua 'Shishigashira' — crested tongue fern
• Pyrrosia lingua 'Tachiba Koryu' — tongue fern
• Pyrrosia polydactyla
• Pyrus 'NCPX1' — Javelin fastigiate pear
• Pyrus 'Ncpx2' — Chastity ornamental pear

---

Q

• Quercus
• Quercus arizonica — Arizona white oak
• Quercus ×bimundorum 'JFS-KW1QX' — Streetspire two-worlds oak
• Quercus canbyi — Chisos oak
• Quercus dentata 'Pinnatifida' — Japanese emperor oak
• Quercus ×dysophylla — oak
• Quercus germana — Mexican royal oak
• Quercus gilva
• Quercus glauca — ring-cupped oak
• Quercus glauca 'Lacera' — Japanese blue oak
• Quercus glauca 'Shima Fu' — ring-cupped oak
• Quercus greggii (La Siberia strain) — Mexican evergreen oak
• Quercus hypoleucoides — silverleaf oak
• Quercus ilex — holly oak
• Quercus infectoria subsp. veneris — Aleppo oak
• Quercus insignis — chicalaba
• Quercus 'JFS-KW2QX' — Skinny Genes oak
• Quercus longinux — Taiwan oak
• Quercus macranthera — Caucasian oak
• Quercus myrsinifolia — bamboo-leaf oak
• Quercus oblongifolia — blue oak
• Quercus oglethorpensis — Oglethorpe oak
• Quercus palustris 'Pringreen' — Green Pillar columnar pin oak
• Quercus phellos — willow oak
• Quercus phillyreoides — Ubame oak
• Quercus phillyreoides 'Emerald Sentinel' — Ubame oak
• Quercus polymorpha — Monterrey oak
• Quercus pontica — Armenian oak
• Quercus pubescens — downy oak
• Quercus pungens — sandpaper oak
• Quercus robur 'Argenteomarginata' — English oak
• Quercus rugosa — netleaf oak
• Quercus rysophylla — loquat-leaf oak
• Quercus salicina — willow-leaf oak
• Quercus sartorii — Sartor's oak
• Quercus schottkyana
• Quercus serrata — Konara oak
• Quercus serrata 'Variegata' — variegated Konara oak
• Quercus sessilifolia — cloud-mountain evergreen oak
• Quercus shumardii — Shumard oak
• Quercus sinuata — Durand oak
• Quercus stellata — post oak
• Quercus tarahumara — handbasin oak
• Quercus tarokoensis — Taroko oak
• Quercus turbinella — Sonoran scrub oak
• Quercus ×undulata 'Tinnie'
• Quercus variabilis — Chinese cork oak
• Quercus virginiana — live oak
• Quercus virginiana (variegated) — southern live oak
• Quercus ×warei 'Birthday Candle' — Ware's oak
• Quercus ×warei 'Chimney Fire' — columnar hybrid oak
• Quercus ×warei 'Nadler' — Kindred Spirit oak
• Quercus wutaishanica — Liaoning oak
• Quillaja saponaria — soapbark

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R

• Rabiea albipuncta
• Ratibida pinnata — yellow coneflower
• Rehmannia piasezkii — beverly bells
• Reineckea
• Reineckea carnea — Chinese lucky grass
• Reineckea carnea 'Emei Snow' — Chinese lucky grass
• Reineckea incurva 'Crug's Linearleaf' — ribbon lily
• Remusatia vivipara
• Rhamnus yoshinoi — buckthorn
• Rhaphiolepis indica 'Conda' — Rosalinda Indian hawthorn
• Rhaphiolepis indica 'Conor' — Eleanor Tabor Indian hawthorn
• Rhaphiolepis indica var. tashiroi — Indian hawthorn
• Rhaphiolepis umbellata 'Blueberry Muffin' — Yeddo hawthorn
• Rhaphiolepis umbellata 'Rutrhaph1' — Southern Moon Yeddo hawthorn
• Rhapidophyllum hystrix — needle palm
• Rhodanthemum hosmariense
• Rhododendron — rhododendron
• Rhododendron 'Alaska' — indica hybrid azalea
• Rhododendron 'Alexander' — North Tisbury hybrid azalea
• Rhododendron 'Arneson Gem' — deciduous azalea
• Rhododendron 'Aromi Sunnyside Up' — Aromi hybrid deciduous azalea
• Rhododendron atlanticum 'Winterthur' — coastal azalea
• Rhododendron austrinum 'Alba' — white-flowered Florida flame azalea
• Rhododendron austrinum 'Hotspur Yellow' — Exbury hybrid azalea
• Rhododendron austrinum 'Lisa's Gold' — Florida flame azalea
• Rhododendron austrinum (yellow no. 3)
• Rhododendron 'AZ 35' — Deja Bloom Pink Ribbons reblooming azalea
• Rhododendron (azalea)
• Rhododendron ×bakeri 'Clyo Red' — Baker's azalea
• Rhododendron 'Camilla's Blush' — Piedmont azalea
• Rhododendron canescens 'Varnadoe's Phlox Pink' — piedmont azalea
• Rhododendron 'Cayenne Capers' — Aromi deciduous azalea
• Rhododendron 'Chapmanii Wonder' — hybrid rhododendron
• Rhododendron 'Chionoides' — hybrid rhododendron
• Rhododendron 'Congo' — Robin Hill azalea
• Rhododendron 'Conlef' — Autumn Cheer re-blooming azalea
• Rhododendron ('Conversation Piece' witch's broom) — hybrid azalea
• Rhododendron 'Cotton Candy' — azalea
• Rhododendron 'Dark Lord'
• Rhododendron flammeum 'Early Red Flame' — Oconee azalea
• Rhododendron formosanum — Taiwan rhododendron
• Rhododendron 'Fragrant Affinity' — fragrant azaleodendron
• Rhododendron 'Garden Rainbow' — deciduous azalea
• Rhododendron 'Gulf Shore' — azalea
• Rhododendron 'HoldenRhodo201'
• Rhododendron 'HoldenRhodo212'
• Rhododendron 'HoldenRhodo213'
• Rhododendron 'HoldenRhodo221'
• Rhododendron (Huang 1-3-16) — azalea
• Rhododendron hypoblematosum — downy backed azalea
• Rhododendron 'Jane's Gold' — Aromi hybrid azalea
• Rhododendron 'JBG 19-006' — Déjà Bloom Smitten azalea
• Rhododendron keiskei — hikage tutuji
• Rhododendron 'Ken Janeck' — yak rhododendron
• Rhododendron kiangsiense — Jiangxi rhododendron
• Rhododendron 'King's Trumpeter' — Aromi hybrid azalea
• Rhododendron 'Koromo White' — Kurume azalea
• Rhododendron 'Kumo-no-ito' — Kurume hybrid azalea
• Rhododendron 'Late Love' — North Tisbury hybrid azalea
• Rhododendron 'Lemon Lights' — deciduous azalea
• Rhododendron liliiflorum — lily azalea
• Rhododendron 'Lisenne Rockefeller' — Southgate Divine rhododendron
• Rhododendron 'Liz Colbert' — Aromi hybrid azalea
• Rhododendron makinoi × R. pachysanthum — hybrid rhododendron
• Rhododendron 'Mandarin Lights' — deciduous azalea
• Rhododendron mariesii — rhododendron
• Rhododendron 'Michael Hill' — North Tisbury azalea
• Rhododendron micranthum — Manchurian rhododendron
• Rhododendron minus 'Southern Cerise' — Piedmont rhododendron
• Rhododendron mucronulatum — Korean rhododendron
• Rhododendron 'NCRX1' — Dandy Man Color Wheel rhododendron
• Rhododendron 'NCRX11' — Perfecto Mundo Pink Carpet reblooming azalea
• Rhododendron 'NCRX12' — Perfecto Mundo Fuchsia Carpet reblooming azalea
• Rhododendron 'NCRX2' — Black Hat rhododendron
• Rhododendron 'NCRX3' — Perfecto Mundo Double Pink reblooming azalea
• Rhododendron 'NCRX4' — Perfecto Mundo Double Purple reblooming azalea
• Rhododendron 'NCRX5' — Perfecto Mundo Double White reblooming azalea
• Rhododendron 'NCRX6' — Perfecto Mundo Orange reblooming azalea
• Rhododendron 'NCRX9' — Perfecto Mundo Epic Pink reblooming azalea
• Rhododendron 'Nishiki' — variegated satsuki azalea
• Rhododendron nudipes
• Rhododendron oldhamii — Oldham's azalea
• Rhododendron (oldhamii × rubropilosum) — hybrid Taiwan azalea
• Rhododendron ovatum
• Rhododendron 'Pink Camellia' — Carla hybrid azalea
• Rhododendron 'Pink Pancake' — North Tisbury hybrid azalea
• Rhododendron ×pulchrum (Matsuda gold) — hybrid azalea
• Rhododendron 'Red Demon' — deciduous azalea
• Rhododendron 'Rlh1-11p1' — Bloom-a-thon Hot Pink azalea
• Rhododendron 'RLH1-15P3' — White Nobility / Bloom-A-Thon Pearl reblooming azalea
• Rhododendron 'Rlh1-3p3' — Bloom-A-Thon White azalea
• Rhododendron 'Roblez' — Encore Autumn Fire reblooming azalea
• Rhododendron sichotense — Siberian alpenrose
• Rhododendron 'Southern Belle' — Rutherfordiana hybrid azalea
• Rhododendron 'Summer Snowball' — Aromi white flowered azalea
• Rhododendron (tiny creeper) — rock garden rhododendron
• Rhododendron (tiny leaves)
• Rhododendron 'Twilight Pink'
• Rhododendron 'Twinkles' — Glenn Dale azalea
• Rhododendron 'Tyler Morris' — Southgate Radiance rhododendron
• Rhododendron uwaense
• Rhododendron (variegated pink)
• Rhododendron 'White Lights' — deciduous azalea
• Rhododendron yakushimanum × crinigerum
• Rhodoleia championii 'Winter Champion' — rose hazel
• Rhodoleia henryi 'Takeshitasei' — evergreen rose hazel
• Rhodophiala bagnoldii
• Rhodophiala (carmine pink form)
• Rhus aromatica 'Gro-low' — dwarf fragrant sumac
• Rhus montana
• Rhynchospora colorata — white-top sedge
• Rhynchospora latifolia — whitetop sedge
• Robinia pseudoacacia 'Lace Lady' — Twisty Baby contorted black locust
• Rohdea chinensis — Chinese sacred lily
• Rohdea chinensis var. chinensis 'Green Panda' — Chinese sacred lily
• Rohdea japonica — sacred lily
• Rohdea japonica 'Chirimen Boshi' — sacred lily
• Rohdea japonica 'Chiyoda Nishiki' — sacred lily
• Rohdea japonica 'Eco Dwarf Pinto' — sacred lily
• Rohdea japonica 'Fuji-no-yuki' — sacred lily
• Rohdea japonica 'Fukuju Kan' — sacred lily
• Rohdea japonica 'Galle' — sacred lily
• Rohdea japonica 'Go Dai Takane' — sacred lily
• Rohdea japonica 'Gunjaku' — sacred lily
• Rohdea japonica (Hawksridge No. 7) — sacred lily
• Rohdea japonica 'Herbie' — sacred lily
• Rohdea japonica 'Kin Cho Ju' — sacred lily
• Rohdea japonica 'Kinshu-no-matsu' — sacred lily
• Rohdea japonica 'Kirishima' — sacred lily
• Rohdea japonica 'Miho-no-matsu' — sacred lily
• Rohdea japonica 'Miyako-no-hana' — sacred lily
• Rohdea japonica 'Mure Suzume' — sacred lily
• Rohdea japonica (narrow leaf variegated) — sacred lily
• Rohdea japonica 'Nobori ryu' — sacred lily
• Rohdea japonica 'Picadilly Pace' — sacred lily
• Rohdea japonica 'Sekkei Nishiki' — sacred lily
• Rohdea japonica 'Shiro Botan' — sacred lily
• Rohdea japonica 'Shishi' — sacred lily
• Rohdea japonica 'Souryujishi' — sacred lily
• Rohdea japonica 'Taishu' — sacred lily
• Rohdea japonica 'Taiyoden' — sacred lily
• Rohdea japonica (variegated sport) — sacred lily
• Rohdea japonica 'Washit Aka Kuma' — sacred lily
• Rohdea japonica (white margin) — sacred lily
• Rohdea japonica 'Wrath of Kan' — sacred lily
• Rohdea japonica 'Yattazu Yan Jaku' — sacred lily
• Rohdea japonica 'Yoroi-Kaku-no-matsu' — sacred lily
• Rohdea pachynema — spreading sacred lily
• Rohdea (sp. nova Chen Yi)
• Rohdea aff. tonkinensis
• Rohdea urotepala
• Rohdea wattii
• Romneya coulteri — Coulter's Matilija poppy
• Rosa 'Ausbaker' — Teasing Georgia climbing rose
• Rosa 'Ausbemard' — Munstead Wood shrub rose
• Rosa 'Ausblanket' — Wollerton Old Hall shrub rose
• Rosa 'Auscanary' — Malvern Hills rambling rose
• Rosa 'Ausdecorum' — Darcey Bussell shrub rose
• Rosa 'Ausland' — Scepter'd Isle shrub rose
• Rosa 'Auslot' — Sophy's Rose shrub rose
• Rosa 'Ausnyson' — Lady of Shalott shrub rose
• Rosa 'Ausprior' — Claire Austin shrub-climbing rose
• Rosa 'Auswinter' — Crown Princess Margareta climbing English rose
• Rosa 'BAIark' — Easy Elegance Como Park shrub rose
• Rosa 'BAIbox' — Easy Elegance Music Box shrub rose
• Rosa 'BAIcham' — Easy Elegance Champagne Wishes shrub rose
• Rosa 'BAIeels' — Easy Elegance Head Over Heels shrub rose
• Rosa 'BAIface' — Easy Elegance Funny Face shrub rose
• Rosa 'BAIfairy' — Easy Elegance Mystic Fairy shrub rose
• Rosa 'BAIgirl' — Easy Elegance My Girl shrub rose
• Rosa 'BAIief' — Easy Elegance Little Mischief shrub rose
• Rosa 'BAIine' — Easy Elegance Yellow Submarine shrub rose
• Rosa 'BAIing' — Easy Elegance Grandma's Blessing shrub rose
• Rosa 'BAIllim' — Easy Elegance Chi shrub rose
• Rosa 'BAImir' — Easy Elegance Kashmir shrub rose
• Rosa 'BAIneon' — Easy Elegance Screaming Neon Red shrub rose
• Rosa 'BAIrage' — Easy Elegance All the Rage shrub rose
• Rosa 'BAIrift' — Easy Elegance Snowdrift shrub rose
• Rosa 'BAIsme' — Easy Elegance Kiss Me shrub rose
• Rosa 'BAIsuhe' — Easy Elegance Super Hero shrub rose
• Rosa 'BAItown' — Easy Elegance Paint the Town shrub rose
• Rosa 'BAIypso' — Easy Elegance Calypso shrub rose
• Rosa 'Blanc Double de Courbet' — shrub rose
• Rosa 'BUCbi' — Carefree Beauty shrub rose
• Rosa 'Ca 29' — First Editions Campfire shrub rose
• Rosa 'Céline Forestier' — Noisette rose
• Rosa 'ChewDelight' — Ringo Double Pink shrub rose
• Rosa 'ChewPatout' — Oso Easy Urban Legend shrub rose
• Rosa 'Coral Dawn' — climbing rose
• Rosa 'Darlow's Enigma' — rambling rose
• Rosa 'Dorient' — Melody Parfumee grandiflora rose
• Rosa 'Dr. Huey' — climbing rose
• Rosa 'Frycentury' — Day Breaker floribunda rose
• Rosa 'Golden Showers' — climbing rose
• Rosa 'Horcogjil' — At Last floribunda rose
• Rosa 'KORpucoblu' — Quicksilver Arborose climbing rose
• Rosa 'Kortersen' — Rosarium Uetersen climbing rose
• Rosa 'Lamarque' — Noissette rose
• Rosa 'Meibenbino' — Petite Knock Out dwarf shrub rose
• Rosa 'Meigalpio' — Red Drift ground cover rose
• Rosa 'Meigekanu' — Sevillana shrub rose
• Rosa 'Meiggili' — Peach Drift ground cover rose
• Rosa 'Meiguimov' — The Charlatan shrub rose
• Rosa 'Meikaquinz' — Romantica Moonlight hybrid tea rose
• Rosa 'Meimirrot' — Apricot Drift rose
• Rosa 'Meinostair'
• Rosa 'Meipapey'
• Rosa 'Meipeporia' — Oso Easy Double Red shrub rose
• Rosa 'Meiroguste'
• Rosa 'Meiswetdom' — Sweet Drift ground cover rose
• Rosa 'Miracle on the Hudson' — shrub rose
• Rosa 'Moje Hammarberg' — rugosa rose
• Rosa 'Novarospop' — Popcorn Drift ground cover rose
• Rosa ×odorata 'Mutabilis' — Seven-sisters Rose
• Rosa 'Orange Triumph, Climbing' — climbing polyantha rose
• Rosa 'Peggy Martin' — climbing rose
• Rosa 'Phyllis Sherman' — Oso Easy Peasy shrub rose
• Rosa 'Radclean' — Cloud 10 climbing rose
• Rosa 'Radprov' — Orchid Romance floribunda rose
• Rosa 'RADramblin' — First Editions Ramblin' Red climbing rose
• Rosa 'Radsun' — Carefree Sunshine shrub rose
• Rosa 'Radsunny' — Sunny Knock Out shrub rose
• Rosa 'Radtreasure' — Tahitian Treasure grandiflora rose
• Rosa 'Radwin' — Winners Circle climbing rose
• Rosa rugosa 'BOC rogosnif' — First Editions Lotty's Love rugosa rose
• Rosa 'Setina' — climbing Bourbon rose
• Rosa 'Sombreuil' — climbing rose
• Rosa 'Spice' — China rose
• Rosa 'Sprothrive' — Thrive! shrub rose
• Rosa 'Wild Thing' — shrub rose
• Rosa 'ZLEeltonStrack' — First Editions Above and Beyond climbing rose
• Rosmarinus officinalis 'Barbeque' — upright rosemary
• Rosmarinus officinalis 'Renzels'
• Rosmarinus officinalis 'Roman Beauty' — Chef's Choice rosemary
• Rosmarinus officinalis 'Spice Island' — rosemary
• Rostrinucula dependens — weeping buddleja
• Rosularia chrysantha
• Rubus buergeri — common creeping rubus
• Rubus rolfei — creeping raspberry
• Rudbeckia 'American Gold Rush' — yellow coneflower
• Rudbeckia auriculata — eared perennial black-eyed Susan
• Rudbeckia heliopsidis — sunfacing coneflower
• Rudbeckia maxima — great coneflower
• Rudbeckia subtomentosa 'Little Henry' — sweet coneflower
• Ruellia caroliniensis — Carolina wild petunia
• Ruellia elegans 'Ragin' Cajun' — false petunia
• Ruellia 'Humility'
• Ruellia simplex 'Chi Chi' — false petunia
• Ruscus aculeatus — butcher's broom
• Ruscus aculeatus var. angustifolius — narrow-leaved butcher's broom
• Ruscus aculeatus 'Elizabeth Lawrence' — butcher's broom
• Ruscus aculeatus (Majorca form) — butcher's broom
• Ruscus aculeatus var. platyphyllus — butcher's broom
• Ruscus aculeatus 'Wheeler's' — Wheeler’s butcher’s broom
• Ruscus ×microglossus — butcher's broom
• Ruta graveolens

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S

• Sabal — palm
• Sabal 'Birmingham' — palmetto palm
• Sabal 'Blackburniana' — palmetto palm
• Sabal ×brazoriensis — hybrid palmetto
• Sabal etonia — scrub palmetto
• Sabal mexicana — Texas palm
• Sabal minor — dwarf palmetto
• Sabal minor 'Chipola Dwarf' — dwarf palmetto
• Sabal minor var. louisiana — dwarf palmetto
• Sabal minor (McCurtain County, OK) — dwarf palmetto
• Sabal minor (Talledega County) — dwarf palmetto
• Sabal minor (Wakulla dwarf) — dwarf palmetto
• Sabal palmetto — cabbage palmetto
• Sabal palmetto (Kinston form)
• Sabal uresana — Sonoran palmetto
• Saccharum angustifolium — wild sugarcane
• Saccharum ravennae — Ravenna grass
• Salix acutifolia 'Blue Streak' — Caspian willow
• Salix bonplandiana (fastigate hardy form)
• Salix 'Flame' — red-stem willow
• Salix humilis (NW GA form)
• Salix humilis var. tristis — prairie willow
• Salvia 'Alegria' — hybrid sage
• Salvia 'Amistad' — hybrid sage
• Salvia amplexicaulis
• Salvia atropatana
• Salvia 'Azure Snow' — flowering sage
• Salvia azurea 'Little Boy Blue' — Blue Sage
• Salvia 'Back to the Fuchsia' — salvia
• Salvia 'Balsalmispim'
• Salvia 'BBSAL00301'
• Salvia 'BBSAL09001'
• Salvia 'Big Swing' — flowering sage
• Salvia 'Blue by You' — sage
• Salvia bucharica — Bukharan sage
• Salvia canariensis — Canary Island sage
• Salvia chamaedryoides — germander sage
• Salvia 'Cherry Chief' — hybrid sage
• Salvia 'Dark Dancer' — hybrid sage
• Salvia dichlamys 'Super Elk' — scarlet rooster sage
• Salvia dichroantha — kutnu
• Salvia digitaloides
• Salvia 'Eggben002' — Heatwave Blast hybrid Autumn sage
• Salvia elegans 'Golden Delicious' — golden pineapple sage
• Salvia engelmannii — Engelmann's sage
• Salvia (ex. 'BBSAL09001' Rockin' Deep Purple) — anise sage
• Salvia (ex. 'Church Road') — sage
• Salvia farinacea 'Augusta Duelberg' — mealycup sage
• Salvia farinacea (Blue Bedder strain) — mealycup sage
• Salvia farinacea (ex. 'Augusta Duelberg') — mealycup sage
• Salvia farinacea 'G14251' — Unplugged So Blue mealycup sage
• Salvia farinacea 'Henry Duelberg' — mealycup sage
• Salvia 'Flamenco Rose' — hybrid sage
• Salvia 'G14-325'
• Salvia glabrescens 'Elk Yellow Purple' — Japanese forest sage
• Salvia greggii — autumn sage
• Salvia greggii 'Balmirleu' — Mirage Blue autumn sage
• Salvia greggii 'Balmirrobi' — Mirage Rose Bicolor autumn sage
• Salvia greggii 'Diane' — autumn sage
• Salvia greggii (ex. 'Diane') — autumn sage
• Salvia greggii 'Flame' — autumn sage
• Salvia greggii 'Holy Queen' — sage
• Salvia greggii 'Lipstick' — autumn sage
• Salvia greggii 'Navajo White' — autumn sage
• Salvia greggii 'Rfd-S016' — Navajo Salmon Red autumn sage
• Salvia greggii 'Sky Blue Pink' — autumn sage
• Salvia greggii 'Teresa' — autumn sage
• Salvia greggii 'Texas Wedding' — autumn sage
• Salvia greggii 'Wild Thing' — autumn sage
• Salvia guaranitica — blue anise sage
• Salvia guaranitica 'Argentine Skies' — blue anise sage
• Salvia guaranitica 'Black and Bloom' — blue anise sage
• Salvia guaranitica 'Black and Blue' — blue anise sage
• Salvia henryi
• Salvia hians
• Salvia hierosolymitana — Jerusalem salvia
• Salvia hydrangea
• Salvia ×jamensis 'Maraschino' — hybrid sage
• Salvia leucantha 'Greenwood' — Mexican bush sage
• Salvia leucantha 'Santa Barbara' — Mexican bush sage
• Salvia lyrata 'Sangria' — purple lyre-leaf sage
• Salvia mexicana 'Lollie Jackson' — Mexican sage
• Salvia microphylla 'Hot Lips' — littleleaf sage
• Salvia microphylla 'Red Velvet' — littleleaf sage
• Salvia microphylla 'San Carlos Festival' — littleleaf sage
• Salvia microphylla 'Wild Watermelon' — littleleaf sage
• Salvia microphylla 'Zaragoza' — littleleaf sage
• Salvia miltiorrhiza
• Salvia 'Moulin Rouge' — garden sage
• Salvia
• Salvia nemorosa — woodland sage
• Salvia nemorosa 'Bumblesnow' — woodland sage
• Salvia 'Newe Ya'ar' — silver sage
• Salvia nipponica — Japanese woodland sage
• Salvia nipponica var. formosana — Taiwan woodland sage
• Salvia oxyphora — Bolivian sage
• Salvia 'PAS1246577' — Big Blue hybrid salvia
• Salvia 'Plum Wine'
• Salvia 'Pozo Blue' — gray musk sage
• Salvia procurrens — blue creeper sage
• Salvia puberula 'El Butano' — Mexican sage
• Salvia 'Raspberry Delight' — sage
• Salvia 'Red Letter' — hybrid autumn sage
• Salvia regla 'Jame' — mountain sage
• Salvia regla (Queretaro) — mountain sage
• Salvia 'Rfd2013-001' — sage
• Salvia 'Roman Red'
• Salvia 'Silke's Dream' — sage
• Salvia ×sylvestris 'Bocofpea' — Feathers Peacock woodland sage
• Salvia transcaucasia 'Alba'
• Salvia 'WNSVUPPK' — Unplugged Pink sage
• Sambucus canadensis 'Blonde Envy' — American elder
• Sambucus javanica — Chinese elder
• Sanguisorba hakusanensis — Korean mountain burnet
• Sanguisorba 'Little Angel'
• Sanguisorba officinalis 'Tanna' — greater burnet
• Santolina neapolitana — Naples lavender cotton
• Sapindus mukorossi — Chinese soapberry
• Saponaria cypria
• Sarcandra
• Sarcandra glabra — bone knitted lotus
• Sarcococca — sweet box
• Sarcococca bleddynii (ex.) — sweet box
• Sarcococca confusa — sweet box
• Sarcococca confusa 'Western Hills' — Himalayan sweet box
• Sarcococca aff. coriacea
• Sarcococca hookeriana — sweet box
• Sarcococca hookeriana var. digyna — Himalayan sweet box
• Sarcococca hookeriana var. digyna 'Sarsid1' — Fragrant Valley Himalayan sweet box
• Sarcococca hookeriana var. digyna 'Sarsid2' — Fragrant Mountain Himalayan sweet box
• Sarcococca hookeriana 'Purplerij1' — Sweet & Lo sweet box
• Sarcococca orientalis — sweetbox
• Sarcococca orientalis (Cistus form) — sweetbox
• Sarcococca ruscifolia — fragrant sweetbox
• Sarcococca ruscifolia var. chinensis 'Dragon Gate' — fragrant sweetbox
• Sarcococca saligna — willow-leaf sweetbox
• Saruma henryi
• Sassafras albidum — sassafras
• Sassafras tzumu — Chinese sassafras
• Sauromatum giganteum
• Sauromatum horsfieldii 'Lancelot' — Horsefield's voodoo lily
• Sauromatum venosum — voodoo lily
• Sauromatum venosum 'Indian Giant' — voodoo lily
• Saxifraga cortusifolia (murasaki)
• Saxifraga stolonifera 'Aurea' — strawberry geranium
• Saxifraga stolonifera 'Hope's Wine' — strawberry begonia
• Saxifraga stolonifera 'Nezu Jinja' — large-leaf strawberry begonia
• Scabiosa 'Balfluttropi' — Flutter Rose Pink pincushion flower
• Scabiosa owerinii
• Schima khasiana — Khasi schima
• Schima wallichii — Chinese guger
• ×Schimlinia floribunda 'Shima Lina Ding Dong' — mountain schimlinia
• Schisandra chinensis 'Eastern Prince' — magnolia vine
• Schisandra incarnata — magnolia vine
• Schisandra propinqua
• Schisandra propinqua subsp. sinensis — magnolia vine
• Schisandra repanda
• Schizachyrium scoparium 'Carousel' — little bluestem
• Schizachyrium scoparium 'Chameleon' — little bluestem
• Schizachyrium scoparium 'Ha Ha Tonka' — little bluestem
• Schizachyrium scoparium var. scoparium 'The Blues' — little bluestem
• Schizachyrium scoparium 'Standing Ovation' — little bluestem
• Schizachyrium 'Smoke Signal' — little bluestem
• Sciadopitys verticillata — Japanese umbrella pine
• Scilla bifolia — alpine squill
• Scilla bifolia 'Rosea' — alpine squill
• Scilla hyacinthoides — hyacinth squill
• Scilla hyacinthoides 'Blue Arrow' — hyacinth squill
• Scilla litardierei
• Scilla mischtschenkoana — Tubergen squill
• Scilla numidica — Numidian squill
• Scilla peruviana — Portuguese squill
• Scilla peruviana 'White Moon' — peruvian lily
• Scilla siberica — wood squill
• Scilla siberica 'Alba' — wood squill
• Scutellaria alpina 'Arcobaleno' — Alpine skullcap
• Scutellaria diffusa
• Scutellaria mellichampii 'Bluffton Blues' — skullcap
• Scutellaria orientalis — yellow-flowered skullcap
• Scutellaria ovata — heartleaf skullcap
• Scutellaria (sp. zhongdianensis) — skullcap
• Scutellaria suffrutescens 'Texas Rose' — cherry skullcap
• Searsia dentata
• Sedum — stonecrop
• Sedum diffusum
• Sedum ellacombianum 'Cutting Edge' — variegated stonecrop
• Sedum emarginatum 'Eco-Mt. Emei' — Mt. Emei sedum
• Sedum 'Lime Zinger' — SunSparkler hybrid stonecrop
• Sedum lineare 'Variegatum' — variegated carpet sedum
• Sedum 'Little Miss Sunshine'
• Sedum moranense subsp. grandiflorum — red stonecrop
• Sedum aff. nevii 'Macon It Big'
• Sedum 'Noniw' — Moonshadow golden stonecrop
• Sedum sexangulare — tasteless stonecrop
• Sedum (Sweet Tea mix)
• Sedum tetractinum — Chinese sedum
• Seemannia 'Little Red' — hardy gloxinia
• Seemannia nematanthodes 'Evita' — hardy gloxinia
• Seemannia purpurascens 'Purple Prince' — hardy gloxinia
• Selaginella braunii — arborvitae fern
• Selaginella pallescens — pale spikemoss
• Semiaquilegia adoxoides — miniature false columbine
• Sempervivum 'Amanda' — hens and chicks
• Sempervivum — Chick Charms Giants Copper Canyon hens and chicks
• Sempervivum — Chick Charms Giants Gold Mine hens and chicks
• Sempervivum 'Fire Bird' — hens and chicks
• Sempervivum — Supersemp Rose Quartz hens and chicks
• Senegalia anisophylla
• Senegalia bonariensis — cat's claw tree
• Senna corymbosa — Argentine senna
• Sequoia sempervirens — coastal redwood
• Sequoia sempervirens 'Adpressa' — coastal redwood
• Sequoia sempervirens 'Henderson Blue' — blue coastal redwood
• Sequoia sempervirens 'Soquel' — coastal redwood
• Sequoia sempervirens 'Swarthmore Hardy' — coastal redwood
• Serissa japonica — snowbush
• Serissa japonica 'Apple Blossom' — snowbush
• Serissa japonica 'Bumble Bee Delight' — snowbush
• Serissa japonica (dwarf pink) — dwarf snowbush
• Serissa japonica 'Kowloon' — snowbush
• Serissa japonica 'Kyoto' — snowbush
• Serissa japonica 'Sapporo' — snowbush
• Serissa japonica 'White Swan' — snowbush
• Seseli gummiferum — moon carrot
• Setaria palmifolia — palm grass
• Sideroxylon alachuense — Clark's buckthorn
• Silene caroliniana subsp. wherryi 'Short and Sweet' — Wherry's catchfly
• Silene chungtienensis — Shangri-La campion
• Silene hayekiana
• Silene linnaeana — Linnaean catchfly
• Silene paradoxa — campion
• Silene pendula — catchfly
• Silene 'Streaker' — catchfly
• Silene uniflora subsp. prostrata — sea campion
• Silene virginica 'Sil005' (Forged by Fire)
• Silene yunnanensis — Chinese catchfly
• Silphium albiflorum
• Silphium asteriscus — starry rosinweed
• Silphium gracile — slender rosinweed
• Silphium perfoliatum — cup plant
• Silphium perfoliatum 'The Holy Grail' — cup plant
• Silphium simpsonii — Simpson's rosinweed
• Silphium terebinthinaceum — prairie rosinweed
• Silphium wasiotense — Appalachian rosinweed
• Sinningia 'Apricot Bouquet' — hardy gloxinia
• Sinningia 'Arkansas Bells' — hardy gloxinia
• Sinningia 'Bananas Foster' — hardy gloxinia
• Sinningia 'Butter and Cream' — hardy gloxinia
• Sinningia 'Candy Corn' — hardy gloxinia
• Sinningia 'Carolyn' — hardy gloxinia
• Sinningia eumorpha — hardy gloxinia
• Sinningia 'Lovely' — hardy gloxinia
• Sinningia macrostachya × S. 'Georgia Sunset'
• Sinningia 'Scarlet O'Hara' — hardy gloxinia
• Sinningia sellovii — hardy red gloxinia
• Sinningia tubiflora — hardy white gloxinia
• Sinojackia rehderiana — jacktree
• Sinojackia xylocarpa 'La Grima' — jacktree
• Sisyrinchium — blue-eyed grass
• Sisyrinchium angustifolium 'Lucerne' — narrowleaf blue-eyed grass
• Sisyrinchium californicum — yellow eyed grass
• Sisyrinchium chilense — white eyed grass
• Sisyrinchium micranthum — blue pigroot
• Sisyrinchium palmifolium — palm-leaf yellow-eyed grass
• Smilax china (variegated)
• Solanum pseudocapsicum — Jerusalem cherry
• Solidago faucibus — gorge goldenrod
• Solidago rugosa 'Fireworks' — rough goldenrod
• Solidago shortii 'Solar Cascade' — Short's goldenrod
• Solidago cf. stricta — wand goldenrod
• Solidago 'Wichita Mountains' — goldenrod
• Sophora davidii — David's mountain laurel
• Sophora aff. davidii — David's mountain laurel
• Sophora flavescens
• Sophora flavescens var. angustifolia — sophora
• Sorbus cf. alnifolia
• Sorbus dunnii — Chinese mountainash
• Sorbus keissleri — Keissler mountain ash
• Sorghastrum nutans 'Indian Steel' — golden feather grass
• Spartina bakeri — sand cordgrass
• Spathicarpa hastifolia
• Speirantha gardenii — false lily-of-the-valley
• Spigelia gentianoides var. alabamensis — Alabama pinkroot
• Spigelia marilandica — Indian pink
• Spigelia marilandica 'Ragin Cajun' — Indian pink
• Spiraea ×bumalda 'Bl0601' — Little Bonnie compact Japanese spirea
• Spiraea ×bumalda 'Monby' — Limemound Japanese spirea
• Spiraea ×cinerea 'Grefsheim' — garland spiraea
• Spiraea (CP 11 DS 437)
• Spiraea crenata — scalloped spirea
• Spiraea henryi — Henry's spirea
• Spiraea japonica 'Abigail' — Japanese spirea
• Spiraea japonica 'Flaming Mound' — Japanese spirea
• Spiraea japonica 'Golden Elf' — Japanese spirea
• Spiraea japonica 'Lemon Princess' — Japanese spirea
• Spiraea japonica 'NCSX1' — Double Play Candy Corn Japanese spiraea
• Spiraea japonica 'NCSX2' — Double Play Doozie Japanese spiraea
• Spiraea japonica 'Rebum' — Japanese spirea
• Spiraea japonica 'Shibori' — Japanese spirea
• Spiraea japonica 'SMNSJMFR' — Double Play Red Japanese spirea
• Spiraea japonica 'Thumbelina' — Japanese spirea
• Spiraea japonica 'White Gold' — Japanese spirea
• Spiraea media — Russian spirea
• Spiraea miyabei — Miyabe spirea
• Spiraea nipponica 'VERSPI 1' — Golden Glitter variegated spirea
• Spiraea thunbergii 'Fujino Pink' — apple-blossom Thunberg spirea
• Spiraea thunbergii 'Mount Fuji' — variegated Thunberg spirea
• Spiraea thunbergii 'Ogon' — Mellow Yellow golden Thunberg spirea
• Spiraea ×vanhouttei 'Catpan' — Pink Ice bridal wreath spirea
• Spiraea ×vanhouttei 'Levgold' — Firegold bridal wreath spirea
• Sporobolus heterolepis 'Gone with the Wind' — prairie dropseed
• Sporobolus wrightii — sacaton
• Sporobolus wrightii 'Windbreaker' — sacaton
• Sprekelia formosissima — Aztec lily
• Sprekelia 'Lowe Down' — hybrid Aztec lily
• Stachys byzantina — lamb's ears
• Stachys germanica — downy woundwort
• Stachys 'Hummelo' — betony
• Stachys lavandulifolia — wood betony
• Stachys officinalis 'Rich Pink' — wood betony
• Stachys sieboldii — Chinese Artichoke
• Stachys spathulata
• Stachys 'Summer Romance' — betony
• Stachyurus 'Carolina Parakeet' — variegated spike-tail
• Stachyurus chinensis — Chinese spike-tail
• Stachyurus chinensis 'Golden Joy' — chinese spike tail
• Stachyurus himalaicus — spike-tail
• Stachyurus praecox 'Aurea Variegata' — spike-tail
• Stachyurus praecox 'Aureovariegata' — spike-tail
• Stachyurus praecox 'Dyan' — spike-tail
• Stachyurus praecox 'Issai' — spike-tail
• Stachyurus praecox 'Yoharu' — spike-tail
• Stachyurus salicifolius — willow leaf spike-tail
• Stanleya pinnata — desert princesplume
• Stauntonia — sausage vine
• Stauntonia hexaphylla — Japanese stauntonia
• Stauntonia hexaphylla 'Cartwheel' — variegated Japanese stauntonia
• Stauntonia latifolia — sausage vine
• Stauntonia (yellow fruit)
• Steironema lanceolatum — lanceleaf loosetrife
• Stenocactus coptonogonus
• Sternbergia lutea — winter daffodil
• Sternbergia lutea subsp. greuteriana
• Sternbergia lutea subsp. sicula
• Stewartia pseudocamellia (variegated) — Japanese stewartia
• Stewartia rostrata — beaked Stewartia
• Stewartia rostrata 'Gold Spring' — beaked Stewartia
• Stewartia sinensis var. brevicalyx — Chinese stewartia
• Stewartia sinensis var. sinensis — Chinese stewartia
• Stipa lessingiana 'Capriccio' — feather grass
• Stipa neaei — feather grass
• Stokesia laevis — Stokes' aster
• Stokesia laevis 'Colorwheel' — Stokes' aster
• Stokesia laevis 'Honeysong Purple' — Stokes' aster
• Stokesia laevis 'Mary Gregory' — Stokes' aster
• Styphnolobium affine — Eve's necklace
• Styrax confusus — Chinese snowbell
• Styrax aff. dasyanthus
• Styrax formosanus — Formosan snowbell
• Styrax japonicus 'Burgundy Moon' — Japanese snowbell
• Styrax japonicus (contorted) — Japanese snowbell
• Styrax japonicus 'Crystal' — Japanese snowbell
• Styrax japonicus 'Emerald Pagoda' — Japanese snowbell
• Styrax japonicus 'Evening Light' — Japanese snowbell
• Styrax japonicus 'Fragrant Fountain' — Japanese snowbell
• Styrax japonicus 'Issai' — Japanese snowbell
• Styrax japonicus 'JFS 6SJ' — Nightfall Japanese snowbell
• Styrax japonicus 'JFS-D' — Snowcone Japanese snowbell
• Styrax japonicus 'JFS-E' — Snow Charm Japanese snowbell
• Styrax japonicus 'Lady Bell' — Japanese snowbell
• Styrax japonicus 'Midnight Prince' — Japanese snowbell
• Styrax japonicus 'Momo-shidare' — Japanese snowbell
• Styrax japonicus 'Pink Chimes' — Japanese snowbell
• Styrax japonicus Rubra Pendula Group — Japanese snowbell
• Styrax japonicus 'Sleepy' — Japanese snowbell
• Styrax japonicus 'Spring Showers' — Japanese snowbell
• Styrax japonicus 'White Knight' — Japanese snowbell
• Styrax platanifolius subsp. texanus — Texas snowbells
• Styrax tonkinensis — Siam benzoin
• Styrax wuyuanensis
• Succisella inflexa (ex. 'Frosted Pearls')
• ×Sycoparrotia semidecidua
• ×Sycoparrotia semidecidua 'Purple Haze'
• Sycopsis sinensis — Chinese fighazel
• Sycopsis sinensis 'Variegata' — variegated evergreen ironwood
• Symphoricarpos ×chenaultii 'Brain de Soleil' — Blade of Sun gold-leaf Chenault coralberry
• Symphoricarpos ×doorenbosii 'Pink Magic' — Doorenbos coralberry
• Symphyotrichum oblongifolium 'Fanny' — aromatic aster
• Symphyotrichum oblongifolium 'October Skies' — aromatic aster
• Symphyotrichum oblongifolium 'Raydon's Favorite' — aromatic aster
• Symphytum 'Hidcote Variegated' — comfrey
• Symphytum ×uplandicum 'Axminster Gold' — variegated comfrey
• Syneilesis aconitifolia — shredded umbrella plant
• Syringa — lilac
• Syringa 'Betsy Ross' — hybrid white flowered lilac
• Syringa 'G13103' — New Age White lilac
• Syringa 'Lark Song' — hybrid lilac
• Syringa pekinensis 'WFH2' — Great Wall lilac
• Syringa 'Penda' — Bloomerang lilac
• Syringa pubescens subsp. patula — Korean lilac
• Syringa reticulata subsp. amurensis — Amur tree lilac
• Syringa 'SMSJBP7' — Bloomerang Dark Purple re-blooming lilac
• Syringa 'SMSMPRZ1' — Rhythm & Bloom re-blooming lilac

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T

• Tagetes lucida — sweet-scented Mexican marigold
• Taiwania cryptomerioides — coffin tree
• Taiwania cryptomerioides Flousiana Group — coffin tree
• Tamarix ramosissima 'Rubra' — tamarisk
• Tanacetum vulgare 'Isla Gold'
• Taxodium — Swamp Cypress
• Taxodium distichum — bald cypress
• Taxodium distichum 'Cascade Falls' — bald cypress
• Taxodium distichum 'Cody's Feathers' — dwarf bald cypress
• Taxodium distichum 'Crazy Horse' — twisted bald cypress
• Taxodium distichum 'Emerald Shadow' — bald cypress
• Taxodium distichum 'Fallingwater' — bald cypress
• Taxodium distichum 'Gee Wizz' — bald cypress
• Taxodium distichum var. imbricarium — pond cypress
• Taxodium distichum var. imbricarium 'Schwerin' — pond cypress
• Taxodium distichum 'JFS-SGPN' — Green Whisper bald cypress
• Taxodium distichum 'Jim's Little Guy' — bald cypress
• Taxodium distichum 'Little Twister' — bald cypress
• Taxodium distichum var. mexicanum — Montezuma cypress
• Taxodium distichum 'Monarch of Illinois' — bald cypress
• Taxodium distichum 'Peve Minaret' — bald cypress
• Taxodium distichum 'Peve Yellow' — bald cypress
• Taxodium 'LaNana' — bald cypress
• Taxodium 'Zhongshansa' — Nanjing Beauty cypress
• Taxus baccata — common yew
• Taxus baccata 'Adpressa Aurea' — common yew
• Taxus cuspidata 'Aurescens' — gold-flush Japanese yew
• Taxus cuspidata 'Gold Edged Upright' — Japanese yew
• Taxus cuspidata 'Rezek's Gold' — Japanese yew
• Taxus mairei — Maire's yew
• Taxus wallichiana var. chinensis — Chinese yew
• Tecoma fulva 'TEC14004' — Chicklet Orange flaming bells
• Tecomaria capensis — cape honeysuckle
• Ternstroemia
• Ternstroemia gymnanthera 'Broody' — Juliet variegated false Japanese cleyera
• Ternstroemia gymnanthera 'Burnished Gold' — golden false Japanese cleyera
• Ternstroemia gymnanthera 'Conthera' — Regal false Japanese cleyera
• Ternstroemia gymnanthera 'Golden Bear' — false Japanese cleyera
• Ternstroemia gymnanthera (Lynn Lowrey dwarf) — dwarf false Japanese cleyera
• Ternstroemia gymnanthera (purple-leaf) — purple-leaf false Japanese cleyera
• Ternstroemia gymnanthera (Worthington compact) — compact false Japanese cleyera
• Tetraneuris acaulis — angelita daisy
• Tetraneuris acaulis 'Las Vegas'
• Tetraneuris scaposa 'Travis' — four nerve daisy
• Tetrapanax papyrifer — rice paper plant
• Teucrium
• Teucrium chamaedrys subsp. nuchense 'Pride of Georgia'
• Teucrium cossonii
• Teucrium divaricatum subsp. canescens
• Teucrium divaricatum subsp. divaricatum — spreading germander
• Teucrium marum — cat thyme
• Teucrium polium
• Teucrium procerum — tall germander
• Thalia dealbata — powdery thalia
• Thalictrum 'Cotton Candy' — meadow rue
• Thalictrum rochebruneanum var. grandisepalum — meadow rue
• Thalictrum 'Splendide' — meadow rue
• Thelypteris acuminata 'Cristata'
• Thelypteris bombadilii — Bombadil maiden fern
• Thelypteris palustris — marsh fern
• Thlaspi minimum
• Thuja occidentalis 'American Pillar' — American arborvitae
• Thuja occidentalis 'Art Boe' — North Pole American arborvitae
• Thuja occidentalis 'Concesarini' — Pancake American arborvitae
• Thuja occidentalis 'Degroot's Spire' — American arborvitae
• Thuja occidentalis 'George Washington' — American arborvitae
• Thuja occidentalis 'Hetz Midget' — American arborvitae
• Thuja occidentalis 'Jantar' — American arborvitae
• Thuja occidentalis 'Malonyana' — American arborvitae
• Thuja occidentalis 'Milleri' — American arborvitae
• Thuja occidentalis 'Pendula' — American arborvitae
• Thuja occidentalis 'Perk Vlaanderen' — American arborvitae
• Thuja occidentalis 'Quebec Weeping' — American arborvitae
• Thuja occidentalis 'Rushmore' — American arborvitae
• Thuja occidentalis 'Smaragd' — Emerald arborvitae
• Thuja occidentalis 'Unicorn' — American arborvitae
• Thuja occidentalis 'Waterfield' — American arborvitae
• Thuja plicata 'Clemson Select' — western red cedar
• Thuja plicata 'Collyer's Gold' — western red cedar
• Thuja plicata 'Nana' — western red cedar
• Thuja plicata 'Zebrina' — western red cedar
• Thuja — Powdered Gold arborvitae
• Thuja ×soeegaardii 'BFC68' — Virginian arborvitae
• Thuja ×soeegaardii 'Junior Giant' — arborvitae
• Thuja 'Starkie's Gold' — arborvitae
• Thujopsis dolabrata 'Aurea' — golden false arborvitae
• Thujopsis dolabrata var. hondai — northern Japanese false arborvitae
• Thunbergia battiscombei — blue glory vine
• Thymus ×citriodorus 'Golden Lemon' — thyme
• Thymus mastichina — herb mastic
• Thymus pannonicus — Eurasian thyme
• Thymus praecox subsp. articus 'Elfin' — white creeping thyme
• Thymus zygis — Spanish thyme
• Tigridia pavonia 'Peachy Keen' — Mexican shell flower
• Tilia americana var. caroliniana — basswood
• Tilia cordata 'Akira Gold' — littleleaf linden
• Tilia cordata 'Dwarf Weeper' — littleleaf linden
• Tilia cordata 'Halka' — Summer Sprite littleleaf linden
• Tilia cordata 'June Bride' — littleleaf linden
• Tilia cordata 'Lico' — littleleaf linden
• Tilia cordata 'Winter Orange' — littleleaf linden
• Tilia endochrysea — white-haired linden
• Tilia henryana — Henry's linden
• Tilia 'Henryk Eder' — cut-leaf linden
• Tilia insularis — Korean linden
• Tilia kiusiana — Japanese linden
• Tilia aff. mexicana — basswood
• Tilia nobilis — noble lime
• Tilia platyphyllos 'Laciniata' — bigleaf linden
• Tilia tomentosa 'Silver Globe' — silver linden
• Tilia 'Zamoyskiana' — Centennial basswood
• Titanotrichum oldhamii — woodland foxglove
• Torreya californica 'Spreadeagle' — California torreya
• Torreya fargesii — Farges nutmeg tree
• Torreya grandis — Chinese nutmeg tree
• Torreya nucifera — Japanese torreya
• Torreya nucifera 'Gold Strike' — Japanese torreya
• Torreya taxifolia — Florida torreya
• Trachelospermum asiaticum 'Hatsuyuki' — Asiatic jasmine
• Trachelospermum asiaticum 'Kiifu Chirimen' — Asiatic jasmine
• Trachelospermum asiaticum 'Nagaba' — Asiatic jasmine
• Trachelospermum asiaticum 'Ogon Chirimen' — Asiatic jasmine
• Trachelospermum asiaticum 'Ougon Nishiki' — Asiatic jasmine
• Trachelospermum asiaticum 'Theta' — Asiatic jasmine
• Trachelospermum asiaticum (variegated) — Asiatic jasmine
• Trachelospermum jasminoides — star jasmine
• Trachelospermum jasminoides 'Fragrant Gold' — star jasmine
• Trachelospermum jasminoides 'Mandianum' — star jasmine
• Trachelospermum jasminoides 'Raulston Hardy' — star jasmine
• Trachycarpus
• Trachycarpus fortunei — windmill palm
• Trachycarpus fortunei (Bulgaria) — windmill palm
• Trachycarpus fortunei 'Norfolk' — windmill palm
• Trachycarpus fortunei 'Taylor's Hardy' — windmill palm
• Trachycarpus fortunei 'Wagnerianus' — windmill palm
• Trachycarpus fortunei 'Wagnerianus' × T. nanus — dwarf windmill palm
• Trachycarpus princeps × T. fortunei 'Wagnerianus' — hybrid palm
• Tradescantia 'Lucky Charm' — spiderwort
• Tradescantia 'Ocampo White' — spiderwort
• Tradescantia ohiensis — Ohio spiderwort
• Tradescantia pallida — purple heart
• Tradescantia pallida 'Blue Sue' — purple heart
• Tradescantia pallida 'Kartuz Giant' — purple heart
• Tradescantia pallida 'Purpurea' — purple heart
• Tradescantia sillamontana — cobweb spiderwort
• Tradescantia tharpii
• Tricyrtis 'Fluffy Orchid' — toad lily
• Tricyrtis formosana — toad lily
• Tricyrtis formosana 'Autumn Glow' — toad lily
• Tricyrtis formosana 'Autumn Gold' — toad lily
• Tricyrtis formosana var. glandosa — toad lily
• Tricyrtis lasiocarpa — toad lily
• Tricyrtis 'Momoe' — toad lily
• Tricyrtis puberula — downy toad lily
• Tricyrtis ravenii — Raven's toad lily
• Tricyrtis 'Shikin' — toad lily
• Trillium cuneatum — little sweet Betsy
• Trillium erectum — wakerobin
• Trillium foetidissimum — stinking trillium
• Trillium gracile 'Shelbyville' — slender trillium
• Trillium ludovicianum — Louisiana trillium
• Trillium maculatum (Gainesville, FL form)
• Trillium recurvatum — bloody butcher
• Trillium underwoodii — longbract trillium
• Tripora divaricata 'Blue Butterflies' — bluebeard
• Triteleia
• Triteleia 'Aquarius'
• Triteleia ixioides 'Starlight' — prettyface
• Triteleia laxa 'Corrina' — Ithuriel's spear
• Triteleia laxa 'Koningin Fabiola' — Ithuriel's spear
• Triteleia 'Ocean Queen'
• Triteleia 'Rudy'
• Triteleia 'Silver Queen'
• Trochodendron aralioides 'Big Bertha' — wheel tree
• Tsuga canadensis — eastern hemlock
• Tsuga canadensis 'Curley' — contorted dwarf eastern hemlock
• Tsuga canadensis 'Kingsville Spreader' — compact eastern hemlock
• Tsuga canadensis 'Sargentii' — Sargent's weeping hemlock
• Tsuga canadensis 'Stranger' — dwarf eastern hemlock
• Tsuga canadensis 'Vermeulen's Winter Gold' — eastern hemlock
• Tsuga caroliniana 'Cullowhee Upright Weeper' — Carolina hemlock
• Tsuga caroliniana 'Dilworth Compact' — compact Carolina hemlock
• Tsuga chinensis — Chinese hemlock
• Tsuga sieboldii — southern Japanese hemlock
• Tulbaghia simmleri
• Tulbaghia violacea 'Variegata' — variegated society garlic
• Tulbaghia (white) — society garlic
• Tulipa acuminata
• Tulipa 'Amazing Grace'
• Tulipa bakeri 'Lilac Wonder' — Miniature Tulip
• Tulipa clusiana
• Tulipa clusiana var. chrysantha — golden lady tulip
• Tulipa clusiana var. chrysantha 'Tubergen's Gem' — golden lady tulip
• Tulipa clusiana 'Cynthia' — lady tulip
• Tulipa clusiana 'Lady Jane'
• Tulipa clusiana 'Sylvia'
• Tulipa cretica 'Hilde'
• Tulipa 'Danique'
• Tulipa 'Firework'
• Tulipa 'Flashback'
• Tulipa 'Francois'
• Tulipa humilis 'Red Cap'
• Tulipa 'Juan'
• Tulipa 'Kansas Proud'
• Tulipa linifolia [Batalinii Group] 'Honky Tonk'
• Tulipa linifolia 'Bright Gem'
• Tulipa 'Little Beauty' — tulip
• Tulipa 'Little Princess' — miniature tulip
• Tulipa 'Lizzy' — tulip
• Tulipa 'Marie Jo'
• Tulipa 'Marilyn'
• Tulipa 'Maureen' — tulip
• Tulipa 'Molto Amata'
• Tulipa 'Moonblush'
• Tulipa 'Orange Pride'
• Tulipa 'Orca'
• Tulipa orphanidea subsp. whittallii — Whittall tulip
• Tulipa 'Palmyra'
• Tulipa 'Parade'
• Tulipa 'Password'
• Tulipa 'Peppermint Stick'
• Tulipa 'Pink Impression' — Darwin hybrid tulip
• Tulipa praestans 'Shogun' — tulip
• Tulipa 'Pretty Woman'
• Tulipa 'Purissima' — white emperor tulip
• Tulipa 'Red Emperor'
• Tulipa 'Red Hunter'
• Tulipa 'Taco'
• Tulipa 'Tinka' — tulip
• Tulipa 'Tiny Timo'
• Tulipa vvedenskyi 'Tangerine Beauty'
• Tupistra
• Tweedia solanoides — pink-flowered tweedia

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U

• Ulmus alata 'Lace Parasol' — weeping winged elm
• Ulmus americana 'Jfs-prince II' — Colonial Spirit American elm
• Ulmus chenmoui 'JAB Morton' — Summer Elixir Chenmou elm
• Ulmus crassifolia — Cedar Elm
• Ulmus minor — field elm
• Ulmus minor subsp. minor 'Pendula' — weeping smoothleaf elm
• Ulmus parvifolia 'Blizzard' — lacebark elm
• Ulmus parvifolia var. coreana — lacebark elm
• Ulmus parvifolia 'Dynasty' — lacebark elm
• Ulmus parvifolia 'Frosty' — lacebark elm
• Ulmus parvifolia 'Golden Rey' — Chinese lacebark elm
• Ulmus pumila 'Dwarf Weeper' — witch elm
• Ungnadia speciosa — Mexican buckeye
• Unknown Cactaceae
• Unknown cactus
• Unknown Ericaceae
• Unknown Rosaceae
• Uvularia grandiflora — bellwort

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V

• Vaccinium bracteatum — sea bilberry
• Vaccinium darrowii — Darrow's blueberry
• Vaccinium elliottii — high bush blueberry
• Vaccinium ovatum — evergreen huckleberry
• Vaccinium ovatum 'Cascade Jewel' — evergreen huckleberry
• Vaccinium ovatum 'VacBri2' — Cascade Sunburst evergreen huckleberry
• Vaccinium ovatum 'VACSID1' — Scarlet Ovation evergreen huckleberry
• Vaccinium pallidum — dryland blueberry
• Vaccinium 'Pink Lemonade' — pink-fruited hybrid blueberry
• Vauquelinia angustifolia — Chisos rosewood
• Vella spinosa
• Verbascum chaixii — nettle-leaved mullein
• Verbascum sinuatum
• Verbena bonariensis — Argentina verbena
• Verbena 'KLEVP22039'
• Verbena rigida
• Verbena rigida 'Santos' — rigid verbena
• Verbena rigida 'WNVECPPUR' — Cake Pops Purple slender vervain
• Verbena
• Verbena
• Verbena 'WNVESBIB'
• Verbena aff. xutha — blue Porterwed
• Verbesina lindheimeri
• Verbesina olsenii — crownbeard
• Vernicia fordii — tung oil tree
• Vernonia — ironweed
• Vernonia angustifolia 'Plum Peachy' — narrow-leaf ironweed
• Vernonia gigantea 'Jonesboro Giant' — ironweed
• Vernonia lettermannii 'Iron Butterfly' — ironweed
• Vernonia lindheimeri — wooly ironweed
• Veronica 'Balmoodink'
• Veronica daurica
• Veronica 'Novaverblu'
• Veronica 'Reavis' — Crystal River veronica
• Veronica repens 'Sunshine' — creeping speedwell
• Veronica spicata 'Blue Wonder' — speedwell
• Veronica spicata 'Lavender Lightsaber' — speedwell
• Veronica 'Waterperry Blue' — speedwell
• Veronicastrum tagawae
• Viburnum
• Viburnum atrocyaneum f. harryanum — Harry's viburnum
• Viburnum awabuki — sweet viburnum
• Viburnum awabuki 'Chindo' — sweet viburnum
• Viburnum awabuki — red vein sweet viburnum
• Viburnum bracteatum — limerock arrowwood
• Viburnum bracteatum 'Emerald Luster' — limerock arrowwood
• Viburnum ×burkwoodii 'Anne Russell' — Burkwood viburnum
• Viburnum ×burkwoodii 'Conoy' — Burkwood viburnum
• Viburnum ×burkwoodii 'Duvone' — American Spice dwarf Burkwood viburnum
• Viburnum ×burkwoodii 'Mohawk' — Burkwood viburnum
• Viburnum ×carlcephalum — fragrant snowball
• Viburnum ×carlcephalum 'Cayuga' — fragrant snowball
• Viburnum carlesii var. bitchiuense — Bitchiu viburnum
• Viburnum carlesii 'Prairie Rose' — Korean spice viburnum
• Viburnum carlesii 'SMVCB' — Spice Baby compact Korean spice viburnum
• Viburnum carlesii 'Spiro' — Spice Girl Korean spice viburnum
• Viburnum cassinoides (Hillier form) — witherod viburnum
• Viburnum 'Chippewa' — Egolf hybrid viburnum
• Viburnum cinnamomifolium — cinnamon-leaved viburnum
• Viburnum corylifolium
• Viburnum cotinifolium — smoketree-leaf viburnum
• Viburnum dentatum 'Golden Arrow' — golden arrowwood
• Viburnum dentatum (Greer Cave, GA)
• Viburnum dentatum 'Island Treasure' — variegated arrowwood
• Viburnum dentatum 'Papzam' — Papoose compact arrowwood
• Viburnum dentatum 'Perle Bleu' — arrowwood
• Viburnum dentatum 'Ralph Senior' — Autumn Jazz arrowwood
• Viburnum dilatatum (Ryukyu Island) — linden viburnum
• Viburnum dilatatum 'Smnvdmdo' — Tandoori Orange linden viburnum
• Viburnum 'Emerald Triumph' — Pellett hybrid viburnum
• Viburnum 'Eskimo' — Egolf hybrid viburnum
• Viburnum foetidum — viburnum
• Viburnum furcatum (ex DJHJ 01011) — scarlet-leaved viburnum
• Viburnum ×globosum 'Jermyn's Globe' — viburnum
• Viburnum glomeratum subsp. glomeratum
• Viburnum glomeratum subsp. magnificum
• Viburnum 'Huron' — Egolf hybrid viburnum
• Viburnum japonicum — Japanese viburnum
• Viburnum japonicum 'Superb' — large-flowered Japanese viburnum
• Viburnum japonicum 'Variegatum' — variegated Japanese viburnum
• Viburnum lantana 'Variegatum' — variegated wayfaring tree
• Viburnum 'Lord Byron' — hybrid viburnum
• Viburnum luzonicum — Luzon viburnum
• Viburnum luzonicum var. oblongum — oblong-leaf Luzon viburnum
• Viburnum mongolicum — Mongolian viburnum
• Viburnum 'Nantucket' — hybrid viburnum
• Viburnum 'NCVX2' — Yin David viburnum
• Viburnum 'NCVX3' — Yang David viburnum
• Viburnum 'NCVX4' — Sweet Talker viburnum
• Viburnum nitidum — possum haw viburnum
• Viburnum nudum var. angustifolium — possumhaw viburnum
• Viburnum obovatum 'Christmas Snow' — compact Walter's viburnum
• Viburnum obovatum 'Compacta' — Walter's viburnum
• Viburnum obovatum 'Mrs. Schiller's Delight' — dwarf Walter's viburnum
• Viburnum obovatum 'Raulston Hardy' — Walter's viburnum
• Viburnum obovatum 'St. Paul' — Walter's viburnum
• Viburnum obovatum 'Walter's Claim to Fame' — small-leaf arrowwood
• Viburnum obovatum 'Whorled Class' — compact Walter's viburnum
• Viburnum oliganthum 'Kyo Kanzashi'
• Viburnum opulus 'Aureum' — European cranberry bush
• Viburnum opulus subsp. calvescens — smooth cranberry bush
• Viburnum opulus 'Harvest Gold' — European cranberry bush
• Viburnum opulus 'Roseum' — European cranberry bush
• Viburnum orientale — oriental viburnum
• Viburnum parvifolium
• Viburnum plicatum 'Mary Milton' — pink Japanese snowball viburnum
• Viburnum plicatum 'Popcorn' — Japanese snowball viburnum
• Viburnum plicatum f. tomentosum 'Copper Ridges' — doublefile viburnum
• Viburnum plicatum f. tomentosum 'Pink Beauty' — pink doublefile viburnum
• Viburnum plicatum f. tomentosum 'Shasta' — doublefile viburnum
• Viburnum ×pragense — Prague viburnum
• Viburnum ×pragense 'Decker' — Prague viburnum
• Viburnum propinquum — Chinese evergreen viburnum
• Viburnum prunifolium — blackhaw viburnum
• Viburnum recognitum — southern arrowwood
• Viburnum ×rhytidophylloides 'Alleghany' — leatherleaf viburnum
• Viburnum ×rhytidophylloides 'Interduke' — Dart's Duke leatherleaf viburnum
• Viburnum ×rhytidophylloides 'NCVR1' — Emerald Envy leatherleaf viburnum
• Viburnum rhytidophyllum 'Hefline' — Fenceline leatherleaf viburnum
• Viburnum rufidulum 'Royal Guard' — rusty blackhaw
• Viburnum rufidulum (Superior Trees) — rusty blackhaw
• Viburnum sargentii 'Chiquita' — compact Sargent viburnum
• Viburnum sargentii f. flavum — yellow-fruit Sargent vicurnum
• Viburnum sempervirens — evergreen viburnum
• Viburnum setigerum — tea viburnum
• Viburnum 'sPg-3-024' — Moonlit Lace viburnum
• Viburnum suspensum — Sandankwa viburnum
• Viburnum tinus 'Compactum' — compact laurustinus
• Viburnum tinus 'Lisa Rosa' — Shades of Pink laurustinus
• Viburnum tinus 'Spring Bouquet' — laurustinus
• Vinca minor 'Aureovariegata' — common periwinkle
• Vinca minor (variegated) — common periwinkle
• Viola pedata 'Eco Artist Palette' — bird's foot Vvolet
• Viola walterii 'Silver Gem' — prostrate blue violet
• Vitex agnus-castus 'Bailtextwo' — Galactic Pink chaste tree
• Vitex agnus-castus (Bobby's dwarf) — chaste tree
• Vitex agnus-castus 'Fletcher Pink' — chaste tree
• Vitex agnus-castus 'PIIVAC-1' — Delta Blues chaste tree
• Vitex agnus-castus 'Shoal Creek' — chaste tree
• Vitex agnus-castus 'V07-SC-OP-4' — Pink Pinnacle chaste tree
• Vitex 'Bailtexone' — Flip Side chastetree
• Vitex negundo — Chinese chaste tree
• Vitex negundo var. heterophylla — cutleaf chaste tree

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W

• Waldsteinia lobata — Piedmont barren strawberry
• Washingtonia robusta — Mexican fan palm
• Watsonia pillansii — Beatrice watsonia
• Weigela coraeensis — Korean weigela
• Weigela florida — weigela
• Weigela florida 'Bokrasopea' — Sonic Bloom Pearl weigela
• Weigela florida 'Carlton' — Ghost weigela
• Weigela florida 'Korean Sunrise' — weigela
• Weigela japonica 'Dart's Colourdream' — weigela
• Wigginsia macrocanthe
• Wikstroemia genkwa — lilac daphne
• Wikstroemia trichotoma
• Wisteria brachybotrys 'Samaya' — silky wisteria
• Wisteria floribunda f. microphylla 'Hime' — small-leaf wisteria
• Wisteria frutescens var. macrostachya 'Clara Mack' — white Kentucky wisteria
• Wisteria frutescens 'Nivea' — American wisteria
• Wisteriopsis japonica 'Alba' — summer wisteria
• Woodwardia fimbriata — chain fern
• Woodwardia (hybrid)
• Woodwardia ×izuensis — hybrid chain fern
• Woodwardia orientalis — oriental chain fern
• Woodwardia orientalis (crested) — oriental chain fern
• Wulfenia carinthiaca — cow's footstep wulfenia

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X

• Xanthorhiza simplicissima — yellowroot

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Y

• Yucca aloifolia — Spanish bayonet
• Yucca aloifolia 'Magenta Magic' — Spanish bayonet
• Yucca aloifolia 'Variegata' — variegated Spanish bayonet
• Yucca arizonica — Sahuiliqui yucca
• Yucca baccata — banana yucca
• Yucca 'Blue Boy' — yucca
• Yucca 'Blue Sentry' — blue yucca
• Yucca carnerosana — Spanish dagger
• Yucca cernua — nodding Texas yucca
• Yucca elata — soap-tree yucca
• Yucca filamentosa — Adam's needle
• Yucca filamentosa 'Golden Sword' — variegated Adam's needle
• Yucca filamentosa 'Vivacious' — variagated Adam's needle
• Yucca flaccida — Adam's needle
• Yucca flaccida 'Bright Edge' — Adam's needle
• Yucca flaccida 'Color Guard' — Adam's needle
• Yucca flaccida 'Garland's Gold' — Adam's needle
• Yucca flaccida 'Gold Heart' — Adam's needle
• Yucca flaccida 'Ivory' — Adam's needle
• Yucca flaccida 'Trompenberg Blue' — Adam's needle
• Yucca gloriosa 'Lone Star' — Spanish dagger
• Yucca gloriosa 'Variegata' — variegated Spanish dagger
• Yucca linearifolia — linear leaf yucca
• Yucca linearifolia 'Line Dance' — linear leaf yucca
• Yucca louisianensis — Louisiana yucca
• Yucca madrensis — mountain yucca
• Yucca pallida — pale-leaf yucca
• Yucca recurvifolia — curve-leaf Spanish dagger
• Yucca recurvifolia 'Cousin It' — curve-leaf Spanish dagger
• Yucca recurvifolia 'Hinvargas' — Margaritaville variegated curve-leaf Spanish dagger
• Yucca recurvifolia 'Mellow Yellow'
• Yucca aff. rostrata
• Yucca rostrata — Mexican blue yucca
• Yucca rupicola — twistleaf yucca
• Yucca schottii — Schott's yucca
• Yucca thompsoniana — Trans Pecos yucca
• Yucca torreyi — Torrey yucca
• Yucca treculeana — Spanish dagger
• Yucca treculeana (giant form) — Spanish dagger

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Z

• Zamia angustifolia — narrow leaf cycad
• Zantedeschia aethiopica 'African Gold' — variegated calla lily
• Zantedeschia albomaculata — calla lily
• Zantedeschia 'Crystal Blush'
• Zantedeschia 'Mango'
• Zantedeschia 'Paco' — calla lily
• Zea perennis 'Winning Streak'
• Zelkova carpinifolia — Caucasian elm
• Zelkova serrata 'C Creek 1' — Gold Falls sawleaf zelkova
• Zelkova serrata 'Goblin' — sawleaf zelkova
• Zelkova serrata 'Goshiki' — sawleaf zelkova
• Zelkova serrata 'JFS KW4ZS' — Zileration sawleaf zelkova
• Zelkova serrata 'JFS-KW1' — City Sprite sawleaf zelkova
• Zelkova serrata 'Musashino' — sawleaf zelkova
• Zelkova serrata 'Ogon' — sawleaf zelkova
• Zelkova serrata (weeping) — sawleaf zelkova
• Zelkova sinica — Chinese zelkova
• Zenobia pulverulenta 'Raspberry Ripple' — dusty zenobia
• ×Zephybranthus 'Norma Pearl' — rain lily
• Zephyranthes — rain lily
• Zephyranthes 'Aquarius' — rain lily
• Zephyranthes atamasco — atamasco lily
• Zephyranthes 'Bali Beauty' — rain lily
• Zephyranthes 'Bangkok Yellow' — rain lily
• Zephyranthes 'Batik' — rain lily
• Zephyranthes bifida — oxblood lily
• Zephyranthes 'Big Dude' — rain lily
• Zephyranthes candida — white rain lily
• Zephyranthes 'Candy Sweet' — rain lily
• Zephyranthes citrina — rain lily
• Zephyranthes 'Confection' — rain lily
• Zephyranthes drummondii — rain lily
• Zephyranthes drummondii 'Fedora' — rain lily
• Zephyranthes drummondii (San Carlos form) — rain lily
• Zephyranthes 'El Cielo' — rain lily
• Zephyranthes (ex. 'Apricot Queen') — rain lily
• Zephyranthes flavissima — yellow rain lily
• Zephyranthes 'Grandjax' — rain lily
• Zephyranthes 'Itsy Bitsy' — rain lily
• Zephyranthes 'Java' — rain lily
• Zephyranthes jonesii — rain lily
• Zephyranthes 'Kathryn' — rain lily
• Zephyranthes 'Labuffarosea' — rain lily
• Zephyranthes 'Lily Pies' — rain lily
• Zephyranthes 'Lydia Luckman' — rain lily
• Zephyranthes macrosiphon — rain lily
• Zephyranthes macrosiphon × Z. simpsonii — rain lily
• Zephyranthes mesochloa — rain lily
• Zephyranthes minima — little rain lily
• Zephyranthes minuta — rosepink rain lily
• Zephyranthes morrisclintii (Redneck Romance strain) — rain lily
• Zephyranthes 'Moulin Rouge' — rain lily
• Zephyranthes 'Paul Niemi' — rain lily
• Zephyranthes (pink) — rain lily
• Zephyranthes 'Pink Panther' — pink rain lily
• Zephyranthes primulina — yellow rain lily
• Zephyranthes reginae — rain lily
• Zephyranthes 'Silk Taffeta'
• Zephyranthes smallii — rain lily
• Zephyranthes 'Summer Snow' — rain lily
• Zephyranthes 'Summer's Chill' — rain lily
• Zephyranthes 'Sunset' — sunset rain lily
• Zephyranthes 'Tenexio Apricot' — rain lily
• Zephyranthes 'Tention' — rain lily
• Zephyranthes traubii 'San Carlos Form' — rain lily
• Zephyranthes 'Wanthong'
• Zingiber mioga — myoga ginger
• Zingiber mioga 'Dancing Crane' — myoga ginger
• Zingiber mioga 'Lushan Gold' — myoga ginger
• Zingiber mioga 'Silver Arrow' — myoga ginger
• Zinnia grandiflora 'Gold on Blue'
• Ziziphus jujuba 'So' — contorted jujube