Landscape Color and Professional Field Day

Onsite registration is available starting at 8:00 am Thursday, July 13, 2023.

Presented by NC State's Department of Horticultural Science and the JC Raulston Arboretum

  • Thursday, July 13, 2023 – 8:45 am3:00 pm

Join us for the 2023 Landscape Color and Professional Field Day for a day filled with helpful information for green industry professionals. The subject matter is across the board, giving professionals a wide variety of interesting topics they'll find useful in their daily tasks.

Field Day class


8:00 am — Registration opens at the Bobby G. Wilder Visitor Center

Welcome and Introductions

8:45 am — CALS Administration, NC Cooperative Extension and JC Raulston Arboretum

Color Field Trials Tour and Landscape Professional Sessions

9:00 am–12:00 pm – Concurrent Sessions (Color Field Trials and Horticultural Field Lab)

Each session runs about 50 minutes and will be repeated three times throughout the three-hour period.

  1. Group One at Station One at 9:00 am–9:50 am, then proceeds to Station Two from 10:00 am–10:50 am, then ends at Station Three from 11:00 am–11:50 am
  2. Group Two at Station Two from 9:00 am–9:50 am, then proceeds to Station Three from 10:00 am–10:50 am, then ends at Station One from 11:00 am–11:50 am
  3. Group Three at Station Three from 9:00 am–9:50 am, then proceeds to Station One from 10:00 am–10:50 am, then ends at Station Two from 11:00 am–11:50 am
Topics and Speakers
"It's All about Color"
Tim Alderton and Bernadette Clark

Tour the Color Trials, see the new plant introductions, and vote for your favorites.

"Preemergence Weed Control in Landscapes"
Joe Neal, Ph.D., Department of Horticultural Science, NC State University

Joe discusses weed control, compares the efficacy of common landscape weed control options, and demonstrates the strength and weaknesses of commonly used preemergent herbicides.

"Building a Better Retaining Wall"
Scott Makey, Old Mill Stream Nursery and Landscape, Inc., and Barbara Fair, Ph.D., Department of Horticultural Science, NC State University

Oh no! My wall has failed. Let's talk about how you can build a wall that will last for the long haul, and adheres to code.



Landscape Professional Sessions

1:00 pm–3:00 pm – Afternoon Indoor Sessions (Ruby C. McSwain Education Center)

"The Importance of Soil Health and the Benefits of Soil Amending" Ron Alexander, R. Alexander Associates, Inc.

The landscaping industry has been changing in North Carolina, and the county. Aside from the designing and installing of beautiful and sustainable landscapes, the industry is also tasked with developing landscapes that require less maintenance, use less water, better protect the environment, and meet changing regional environmental requirements. Because of these requirements, creating healthy soils which are more environmentally resilient, and better able to deal with a changing climate, is key. In this session you will learn how amendments can: improve landscape grade soils, improve stormwater management and reduce erosion, reduction water usage and plant loss, and aid in establishment of native plants and vegetation.

Dr. Rob Richardson, NC State University, and William H. Culpepper, Distinguished Professor of Aquatic Weed Science and Co-chair NCSU Weed Science Program, Crop and Soil Science Department

A discussion of weed control in aquatic settings.

Final Wrap-up


Continuing Education Credits

This course was approved by the NC Landscape Contractors' Licensing Board for five (5) technical CEU credits.

Pesticide credits through the North Carolina Department of Agriculture & Consumer Services approved for 5 categories:

  • 1 Aquatic (A)
  • 1 Ornamental & Turf (L)
  • 2 Demonstration & Research (N)
  • 2 Dealer (D)
  • 2 Private-Specialty Training (X)

Early Registration (ends Sunday, July 9, 2023): $45.00.

Regular Registration (Monday, July 10 through Wednesday, June 12, 2023): $50.00.

Day of Registration (Thursday, July 13, 2023): $55.00.

Advance registration has closed for this program. Registrations will be accepted in person starting at 8:00 am on the day of the event.
Program cancellations can be made up to two weeks before the program's start date. A 15% cancellation fee applies.
JC Raulston Arboretum at NC State University, 4415 Beryl Road, Raleigh, NC 27606.
Need directions? Click here.
Free parking is available at the JC Raulston Arboretum and along Beryl Road.
Contact Barb Fair at for more information about this field day. For help with registration, please contact