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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

  
 

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
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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
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Monday, June 29, 2026

  
Oak Wilt, Bacterial Leaf Scorch, or Something Else? - Penn State Extension (Webinar)
6/29/2026
Time: 12:00 PM
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Friday, July 10, 2026

  
 

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
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Wednesday, September 9, 2026

  
Hidden Canopies: Exploring Underutilized Trees and Shrubs - Penn State Extension (Webinar)
9/9/2026
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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
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Wednesday, October 7, 2026

  
Decay Demystified: Understanding Mushrooms and Tree Decay - Penn State Extension (2-Part Webinar)
10/7/2026 » 10/14/2026
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The Pennsylvania Landscape & Nursery Association (PLNA) is the leading trade association representing Pennsylvania's $6.8 billion green industry. Its member landscape contractors, retail garden centers, wholesale nurseries and greenhouses produce outdoor living environments that improve economic value, air quality, water quality and human health.