Join us each month for our Third Thursday Lecture series! All lectures are held virtually, free of charge. Registration is required. Click here to register for upcoming lectures.
Missed one of our previous lectures? Visit our archives section to catch up on lectures from past months. Please note that not all lectures were recorded per presenters’ requests.
recent lecture
Backyard Bounty: Foraging at Home
with Marissa Jacobs
(Thursday, April 17, 2025)
Archives
Climate, Soil, and Water
A Forest Grows in Chester County with Rachael Griffith
Author Talk with Kimberly Nicholas, PhD – Under the Sky We Make: How to Be a Human in a Warming World
Cultivating Soil Health with Mark Highland
How to Manage Stormwater and Streamside Areas on Your Property with Mark Gallagher and Clay Emerson, PhD
Mapping Our Impact Together with Karen Clancy and Jess Vairo
Pennsylvania’s Changing Climate with Kyle Imhoff
Ecological Horticulture
Cultivating Soil Health with Mark Highland
Ecological Horticulture Practices with Steve Wright
Mapping Our Impact Together with Karen Clancy and Jess Vairo
Native Plant Allies: A Non-Chemical Approach to Ecological Gardening with Elyse Jurgen
Putting Plants to Work with Jeff Lorenz
Unlawning Suburbia: Lessons in the Design and Management of Nature-Inspired Landscapes with Benjamin Vogt
Wildlife Habitats to Attract Backyard Birds with Pat Sutton
Humans & Nature
Backyard Bounty: Foraging at Home with Marissa Jacobs
Becoming a Placemaker with Christie Purifoy
Cider: Pennsylvania’s Once (& Future?) Favorite with Mark A. Turdo
Connecting Land and Sky with Tykee James
Thinking Like a Naturalist: Reclaiming the Art of Natural History with John Muir Laws
Wild Philly: The Extraordinary Nature of Our Backyard with Mike Weilbacher
Native Plants
Celebrating the Seasons of a Pennsylvania Garden with Donald Pell
Flowers, Flies, and Fermentation: The Pollination Ecology of Pawpaw with Kate Goodrich, PhD
Let it Be an Oak with Doug Tallamy
Little Garden, Big Impact: Native Plants for Small Spaces with Laura Cruz
Native Evergreens with Duncan Himmelman, PhD
Native Grasses for Your Garden with Tom Smarr
Native Orchid Conservation Efforts at Longwood Gardens with Peter Zale, PhD
Native Ornamentals and Edible Plants with Allyson Levy & Scott Serrano
Native Plant Allies: A Non-Chemical Approach to Ecological Gardening with Elyse Jurgen
PA’s Rare, Threatened and Endangered Plants and the Unique Habitats They Live In with Cheyenne Moore
Plug into the Wet Meadow Matrix with John Mark Courtney
Putting Plants to Work with Jeff Lorenz
Pennsylvania-focused Topics
A Forest Grows in Chester County with Rachael Griffith
Celebrating the Seasons of a Pennsylvania Garden with Donald Pell
Cider: Pennsylvania’s Once (& Future?) Favorite with Mark A. Turdo
PA’s Rare, Threatened and Endangered Plants and the Unique Habitats They Live In with Cheyenne Moore
Pennsylvania’s Big Trees with Aaron Greenberg
Pennsylvania’s Changing Climate with Kyle Imhoff
Wild Philly: The Extraordinary Nature of Our Backyard with Mike Weilbacher
Trees
A Forest Grows in Chester County with Rachael Griffith
Flowers, Flies, and Fermentation: The Pollination Ecology of Pawpaw with Kate Goodrich, PhD
Let it Be an Oak with Doug Tallamy
Pennsylvania’s Big Trees with Aaron Greenberg
The Forest Pests and Firewood Connection with Leigh Greenwood
The Scientific Benefit of Trees for Livable and Sustainable Communities with Jessica B. Turner-Skoff, PhD
Wildlife
Amphibians and Reptiles of the Mid-Atlantic with Jim White
How Animals Overwinter with Leah Brooks
Wild Philly: The Extraordinary Nature of Our Backyard with Mike Weilbacher
Birds:
Birds & Beaks with Marcy Engleman
Cavity-Nesting Birds with Jennifer Uehling, PhD
Connecting Land and Sky with Tykee James
Owls of the Mid-Atlantic States with Jim White
Slow Birding with Joan E. Strassmann, PhD.
Wildlife Habitats to Attract Backyard Birds with Pat Sutton
Insects:
Butterflies and Their Caterpillars with Sam Nestory
City-Dwelling Bees: Urban Ecology and Urban Theory with Austin Martin
Native Predatory Wasps: Their Role as Pollinators and Beneficial Insects with Heather Holm
Solitary Bee Hotels with Grace Gutierrez
Strangers in the Night: Moth Ecology and Conservation with Elena Tartaglia, Ph.D.
The Forest Pests and Firewood Connection with Leigh Greenwood