Third Thursday Lectures


The Scientific Benefit of Trees for Livable and Sustainable Communities with Jessica B. Turner-Skoff, PhD (January 19, 2023)

Presentation Recording (YouTube)

Additional Resources:
The benefits of trees for livable and sustainable communities – Plants People Planet
United Nations 17 Sustainable Development Goals
Benefits of Trees – The Morton Arboretum
Plant and Protect Trees – The Morton Arboretum
The Plant Clinic – The Morton Arboretum
Sterling Morton Library – The Morton Arboretum
Chicago Region Trees Initiative
Tree Philly
PHS Tree Tenders Program
In Defense of Plants podcast interview (Ep. 226 – Cities Need Trees)
WBEZ Worldview Interview – Trees Are Helping Us Achieve UN Sustainability Goals



Celebrating the Seasons of a Pennsylvania Garden with Donald Pell (December 15, 2022)

Presentation Recording (YouTube)

Additional Resources:
Studio Garden Plant List
Donald Pell Gardens website



Owls of the Mid-Atlantic States with Jim White (November 17, 2022)

Presentation Recording (YouTube)

Additional Resources:
Peterson Reference Guide To Owls Of North America And The Caribbean
Pennsylvania Owls – Hawk Mountain
Audubon Pennsylvania
Bird Conservation – Delaware Nature Society



The Forest Pests and Firewood Connection with Leigh Greenwood (October 20, 2022)

Presentation Recording (YouTube)

Additional Resources:
Don’t Move Firewood website
PA DCNR – Forest Insects and Diseases
Penn State Extension – Spotted Lanternfly Info
iNaturalist (includes good information on invasive species as well)
The Early Detection and Distribution Mapping System (EDDMapS)
– Invasive species specific community science app for reporting and learning



Native Grasses for Your Garden with Tom Smarr (September 15, 2022)

Presentation Recording (YouTube)

Additional Resources:
The Garden Shop at Jenkins Arboretum & Gardens
Native Grasses for Your Garden article (Jenkins Summer + Fall 2022 Magazine)
Books by Rick Darke (The Encyclopedia of Grasses)
Books by Bill Cullina (Native Ferns, Moss, & Grasses)
Books by Piet Oudolf (Planting: A New Perspective)
Books by Brie Arthur (Gardening with Grains)
Grasses, Sedges, Rushes by Lauren Brown and Ted Elliman
Deer-Resistant Native Plants for the Northeast by Ruth Rogers Clausen and Gregg Tepper



Pennsylvania’s Changing Climate with Kyle Imhoff (August 18, 2022)

Presentation Recording (YouTube)

Additional Resources:
PA State Climatologist Website
NOAA – National Centers for Environmental Information – Climate-At-A-Glance
Applied Climate Information System
Climate Data Display – Keystone Mesonet
Fourth National Climate Assessment Report
IPCC Sixth Assessment Report



Arbo-READ-um Author Talk with Kimberly Nicholas, PhD (July 27, 2022)
Under the Sky We Make: How to Be a Human in a Warming World

Presentation Recording (YouTube)



PA’s Rare, Threatened and Endangered Plants and the Unique Habitats They Live In with Cheyenne Moore (July 21, 2022)

Presentation Recording (YouTube)

Additional Resources:
PPCN and PA Plants –
PA’s Rare, Threatened, and Endangered Plants
Pennsylvania Natural Heritage Program
DCNR Rulemaking Process
PA Plant Conservation Network (PPCN)
Center for Plant Conservation (CPC)
PA Master Naturalist Program
Allegheny Ice and the Blue False Indigo | Plants are Cool, Too! (YouTube)

Native Plant/Gardening Info –
The Garden Shop at Jenkins Arboretum & Gardens
Landscaping with Native Plants (DCNR)
Native Plant Guidelines (DCNR)
Virginia Solar Site Native Plant Finder



Butterflies and Their Caterpillars with Samantha Nestory (June 16, 2022)

Presentation Recording (YouTube)

Additional Resources:
Stoneleigh: a natural garden website
National Pollinator Week at Jenkins (June 20 – 26)
Moth Night program at Jenkins (July 30)

Kaufman Field Guide to Butterflies of North America
Butterflies of Pennsylvania: a field guide
Butterflies of the East Coast: An Observer’s Guide
Caterpillars of Eastern North America
Butterflies and Moths of North America – online community science database
Apps to check out: iNaturalist and Seek



Connecting Land and Sky with Tykee James (May 19, 2022)

Presentation Recording (YouTube)

Additional Resources:
Learn more about Amplify the Future, Freedom Birders and Birders Fund
Podcasts hosted by Tykee James: On Word for Wildlife and Brothers in Birding
Check out Tykee’s upcoming speaking events and programs

2022 Black Birders Week (May 29 – June 4)
Tykee’s favorite podcast: Always Be Birdin’
Tykee’s favorite birding apps: eBird, Merlin, Audubon, Sibley
Find native plants in your area and learn how they attract birds



Becoming a Placemaker with Christie Purifoy (April 21, 2022)

Presentation Recording (YouTube)

Additional Resources:
Christie Purifoy’s website
The Well-Gardened Mind by Sue Stuart-Smith (book recommendation)
Hillbrook Collections (source for Christie’s garden house & finial)

Social Media:
Instagram: @christiepurifoy @maplehurstgardens
Facebook: @christiepurifoywriter



Let it Be an Oak with Doug Tallamy (March 17, 2022)

Presentation Recording (YouTube)

Additional Resources:
Homegrown National Park website
Native Plant Finder



Native Ornamentals and Edible Plants with Allyson Levy & Scott Serrano (Feb. 17, 2022)

Presentation Recording (YouTube)
Native Edibles & Ornamental Plants List (Web)
Native Edibles & Ornamental Plants List (PDF)
Jenkins Plant List – Collections and Garden Shop Availability (PDF)

Additional Resources:
Hortus Arboretum and Gardens website
Cold Hardy Fruits and Nuts book

Sources Mentioned:
2022 Dunstan Chestnut Availability at Walmart



Putting Plants to Work with Jeff Lorenz (January 20, 2022)

Putting Plants to Work Plant List (PDF)
Refugia Design/Build website

Additional Resources:
North Creek Nurseries Rain Garden Planting Guide (PDF)
North Creek Nurseries Urban Stormwater Systems (PDF)

Sources Mentioned:
North Creek Nurseries
Prairie Nursery
Prairie Moon Nursery
Redbud Native Plant Nursery
Uhler’s Seedsmen (no-mow lawn seed source – Malvern, PA)