Green Industry Calendar of Events

PLNA is pleased to produce and promote continuing education opportunities for Pennsylvania Certified Horticulturists (PCH), Sustainable Landscape Certification (SLC) professionals, and other green industry professionals.

Learn How to Apply for PCH or SLC CEU Approval for Your Event

Upcoming Events
Saturday, April 11, 2026
Design Workshop: Designing Your Native Perennial Garden - Mt. Cuba Center (In-Person) 4/11/2026 Location: Hockessin, Delaware Time: 10:00 AM Export to Your Calendar
Workshop: Tool-Sharpening Techniques - Section B - Mt. Cuba Center (In-Person) 4/11/2026 Location: Hockessin, Delaware Time: 10:00 AM Export to Your Calendar
Native Plants of Spring Tours - Mt. Cuba Center (In-Person) 4/11/2026 » 5/9/2026 Location: Hockessin, Delaware Time: 10:00 AM Export to Your Calendar
Managing Spring Weeds - Mt. Cuba Center (In-Person) 4/11/2026 Location: Hockessin, Delaware Time: 1:00 PM Export to Your Calendar
Wednesday, April 15, 2026
Let It Glow: Protecting Fireflies in the Home Garden - Mt. Cuba Center (Online) 4/15/2026 Time: 6:00 PM Export to Your Calendar
Wednesday, April 22, 2026
Botanizing: The Best Hobby You've Never Heard of - Mt. Cuba Center (Online) 4/22/2026 Time: 6:00 PM Export to Your Calendar
Saturday, April 25, 2026
Designing Layered Landscapes - Mt. Cuba Center (In-Person) 4/25/2026 Location: Hockessin, Delaware Time: 1:00 PM Export to Your Calendar
Sunday, April 26, 2026
Early Season Garden Care - Mt. Cuba Center (In-Person) 4/26/2026 Location: Hockessin, Delaware Time: 1:00 PM Export to Your Calendar
Preserving Iconic Wildflowers: Trillium - Mt. Cuba Center (In-Person) 4/26/2026 Location: Hockessin, Delaware Time: 1:00 PM Export to Your Calendar
Saturday, May 9, 2026
Creating Native Plant Communities - Mt. Cuba Center (In-Person) 5/9/2026 Location: Hockessin, Delaware Time: 1:00 PM Export to Your Calendar
Saturday, May 23, 2026
Navigating Non-Chemical Restoration - Mt. Cuba Center (In-Person) 5/23/2026 Location: Hockessin, Delaware Time: 1:00 PM Export to Your Calendar
Wednesday, May 27, 2026
Native Plants of Summer - Mt. Cuba Center (In-Person) 5/27/2026 » 7/1/2026 Location: Hockessin, Delaware Time: 10:00 AM Export to Your Calendar
Saturday, June 6, 2026
Native Plants of Summer Tours - Mt. Cuba Center (In-Person) 6/6/2026 » 6/27/2026 Location: Hockessin, Delaware Time: 10:00 AM Export to Your Calendar
Wednesday, September 2, 2026
Native Plants of Fall - Mt. Cuba Center (In-Person) 9/2/2026 » 10/7/2026 Location: Hockessin, Delaware Time: 10:00 AM Export to Your Calendar
Saturday, September 12, 2026
Native Plants of Fall Tours - Mt. Cuba Center (In-Person) 9/12/2026 » 10/10/2026 Location: Hockessin, Delaware Time: 10:00 AM Export to Your Calendar