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
Thursday, January 1, 2026
Pesticide License Training Courses - Continuing Education University (Online) 1/1/2026 » 12/31/2026 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
Wednesday, September 9, 2026
Hidden Canopies: Exploring Underutilized Trees and Shrubs - Penn State Extension (Webinar) 9/9/2026 Export to Your Calendar
Thursday, September 10, 2026
2026 APLD International Landscape Design Conference 9/10/2026 » 9/14/2026 Location: Columbus, Ohio 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
Tuesday, September 15, 2026
Mt. Cuba Center Trial Garden Open House + Ecology in Motion 9/15/2026 Location: Hockessin, Delaware Time: 11:30 AM Export to Your Calendar
Wednesday, September 23, 2026
GreenTech North America 9/23/2026 » 9/24/2026 Location: Philadelphia, PA Export to Your Calendar
Wednesday, October 7, 2026
Decay Demystified: Understanding Mushrooms and Tree Decay - Penn State Extension (2-Part Webinar) 10/7/2026 » 10/14/2026 Export to Your Calendar
Thursday, October 8, 2026
Webinar: Holly Propagation, Selection, and Collections 10/8/2026 Time: 12:00 PM Export to Your Calendar
Friday, October 16, 2026
2026 Perennial Plant Conference 10/16/2026 Location: Swarthmore, PA Time: 9:15 AM Export to Your Calendar
Friday, November 6, 2026
2026 Community Forestry Workshop 11/6/2026 Location: Montgomeryville, PA Time: 8:00 AM Export to Your Calendar