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September 2025
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31
1
2
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
1:00 PM:
Green Industry Update: Turf - Penn State Extension (Online)
3
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
4
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Gardening for Watershed Conservation - Mt. Cuba Center (In-Person)
5
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Gardening for Watershed Conservation - Mt. Cuba Center (In-Person)
The Urban Forest Myth? - John Palmer (Online)
1:00 PM:
Pennsylvania Invasive Species: Honey Bees - Penn State Extension (Online)
6
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Gardening for Watershed Conservation - Mt. Cuba Center (In-Person)
View Week
7
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Gardening for Watershed Conservation - Mt. Cuba Center (In-Person)
8
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Gardening for Watershed Conservation - Mt. Cuba Center (In-Person)
9
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Gardening for Watershed Conservation - Mt. Cuba Center (In-Person)
10:00 AM:
Landscape Pest Identification Walk - Penn State Extension (In-Person)
1:00 PM:
Green Industry Update: Right-of-Way - Penn State Extension (Online)
Landscape Pest Identification Walk - Penn State Extension (In-Person)
10
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Gardening for Watershed Conservation - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
11
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Gardening for Watershed Conservation - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
12
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
13
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
View Week
14
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
15
Arborist Short Course - Penn State Extension (In-Person)
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
16
Arborist Short Course - Penn State Extension (In-Person)
10:00 AM:
Enhancing Life in the Soil: Section B - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
17
Arborist Short Course - Penn State Extension (In-Person)
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
Rooted in Action - PA Dept. of Conservation & Natural Resources (Online)
1:00 PM:
Trial Garden Highlights: Solidago (goldenrod) - Mt. Cuba Center (In-Person)
18
Native Plants of PA - Morris Arboretum (In-Person)
Arborist Short Course - Penn State Extension (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
10:00 AM:
Core Applicator Test Prep - Penn State Extension (In-Person)
19
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
10:00 AM:
Core Applicator Test Prep - Penn State Extension (In-Person)
Risks To Our Urban Forests and Woodlands - John Palmer (Online)
20
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
View Week
21
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
22
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
9:30 AM:
Pesticide Applicator Short Course - Penn State Extension (In-Person/Mill Hill)
12:00 PM:
Landscape Meeting - Penn State Extension (In-Person)
23
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
9:30 AM:
Pesticide Applicator Short Course - Penn State Extension (In-Person/Mill Hill)
Landscape Meeting - Penn State Extension (In-Person)
24
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
6:00 PM:
Basic Tree Tender Training - Pennsylvania Horticultural Society (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
9:30 AM:
Pesticide Applicator Short Course - Penn State Extension (In-Person/Mill Hill)
25
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
9:30 AM:
Pesticide Applicator Short Course - Penn State Extension (In-Person/Mill Hill)
26
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
10:00 AM:
Fall Weeds 101 - Mt. Cuba Center (In-Person)
Trees and the Design/Build Industries: Science, Design, and Sustainability - John Palmer (Online)
27
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
10:00 AM:
Workshop: Propagating Native Ferns - Mt. Cuba Center (In-Person)
1:00 PM:
Succession Planting - Mt. Cuba Center (In-Person)
View Week
28
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
29
Pest Application Short Course - Penn State Extension (In-Person)
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
30
Pest Application Short Course - Penn State Extension (In-Person)
Native Plants of PA - Morris Arboretum (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
1
Pest Application Short Course - Penn State Extension (In-Person)
Native Plants of PA - Morris Arboretum (In-Person)
Soil Science - Morris Arboretum (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
2
Pest Application Short Course - Penn State Extension (In-Person)
Native Plants of PA - Morris Arboretum (In-Person)
Soil Science - Morris Arboretum (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
3
Native Plants of PA - Morris Arboretum (In-Person)
Soil Science - Morris Arboretum (Hybrid)
Pest Application Short Course - Penn State Extension (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
10:00 AM:
Fundamentals of Ecological Horticulture - Mt. Cuba Center (In-Person)
Advanced Arboriculture and Tree Science - John Palmer (Online)
1:00 PM:
Pennsylvania Invasive Species: Choose Native - Penn State Extension (Online)
4
Pest Application Short Course - Penn State Extension (In-Person)
Native Plants of PA - Morris Arboretum (In-Person)
Soil Science - Morris Arboretum (Hybrid)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (In-Person)
10:00 AM:
Native Plants of Fall - Mt. Cuba Center (Hybrid)
View Week
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