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, January 31, 2026
Enhancing Life in the Soil - Mt. Cuba Center (In-Person) 1/31/2026 Location: Hockessin, Delaware Export to Your Calendar
Beyond Blooms: The Beauty of Winter Gardens - Section B - Mt. Cuba Center (In-Person) 1/31/2026 Location: Hockessin, Delaware Time: 1:00 PM Export to Your Calendar
Wednesday, February 18, 2026
Trial Garden Highlights: Solidago (goldenrod) - Mt. Cuba Center (Online) 2/18/2026 Time: 6:00 PM Export to Your Calendar
Online Mt. Cuba Expert Series (Package) - Mt. Cuba Center (Online) 2/18/2026 » 3/25/2026 Time: 6:00 PM Export to Your Calendar
Friday, February 20, 2026
Workshop: Tool-Sharpening Techniques - Section A - Mt. Cuba Center (In-Person) 2/20/2026 Location: Hockessin, Delaware Time: 10:00 AM Export to Your Calendar
Workshop: Pruning for Homeowners - Section A - Mt. Cuba Center (In-Person) 2/20/2026 Location: Hockessin, Delaware Time: 1:00 PM Export to Your Calendar
Saturday, February 21, 2026
Ecological Garden Design for Homeowners - Section B - Mt. Cuba Center (In-Person) 2/21/2026 Location: Hockessin, Delaware Time: 10:00 AM Export to Your Calendar
Identifying Trees in the Winter Landscape - Section B - Mt. Cuba Center (In-Person) 2/21/2026 Location: Hockessin, Delaware Time: 1:00 PM Export to Your Calendar
Workshop: Pruning for Homeowners - Section B - Mt. Cuba Center (In-Person) 2/21/2026 Location: Hockessin, Delaware Time: 1:00 PM Export to Your Calendar
Wednesday, February 25, 2026
Pesticide Applicator Short Course - Penn State Extension (In-Person/West Chester) 2/25/2026 » 2/26/2026 Location: West Chester, PA Time: 9:00 AM Export to Your Calendar
Unraveling Botanical Names - Mt. Cuba Center (Online) 2/25/2026 Time: 6:00 PM Export to Your Calendar
Wednesday, March 18, 2026
Landscape Meeting - Penn State Extension (In-Person) 3/18/2026 Location: Chambersburg, PA Time: 9:00 AM Export to Your Calendar
Design-less Gardening: A Naturalistic Approach - Mt. Cuba Center (Online) 3/18/2026 Time: 6:00 PM Export to Your Calendar
Saturday, March 21, 2026
Gardening for Watershed Conservation - Section B - Mt. Cuba Center (In-Person) 3/21/2026 Location: Hockessin, Delaware Time: 9:00 AM Export to Your Calendar
Building Drystack Walls - Section B - Mt. Cuba Center (In-Person) 3/21/2026 Location: Hockessin, Delaware Time: 10:00 AM Export to Your Calendar