Third Thursday Lectures


Wild Philly: The Extraordinary Nature of Our Backyard with Mike Weilbacher (May 16, 2024)

Presentation Recording (YouTube)

Additional Resources:
Mike Weilbacher’s website
Natural Lands Preserves
Article on horseshoe crabs and migrating shorebirds – Philadelphia magazine (May 2024)
Register for Last Chance Café: The Secret Life of a Goldenrod Field (9/15/24) – taught by Mike Weilbacher at Jenkins Arboretum & Gardens

Books:
Wild Philly, Explore the Amazing Nature in and Around Philadelphia, by Mike Weilbacher
60 Hikes Within 60 Miles: Philadelphia, by Lori Lichtman



Little Garden, Big Impact: Native Plants for Small Spaces with Laura Cruz (April 18, 2024)

Presentation Recording (YouTube)

Additional Resources:
Shop for native plants at The Garden Shop at Jenkins
Mt. Cuba Center’s Trial Garden

Books:
New Naturalism, by Kelly Norris
Tiny and Wild: Build a Small-Scale Meadow Anywhere, by Graham Laird Gardner
Prairie Up: An Introduction to Natural Garden Design, by Benjamin Vogt
Planting in a Post-Wild World, by Thomas Rainer and Claudia West



Amphibians and Reptiles of the Mid-Atlantic with Jim White (March 21, 2024)

Presentation Recording (YouTube)

Additional Resources:
Pennsylvania Herp Identification
Pennsylvania Amphibian and Reptile Survey
From the Woods: Amphibians – Penn State Extension
Reptiles and Amphibians – Pennsylvania Fish and Boat Commission
Lums Pond State Park (Bear, DE)
Amphibians and Reptiles of Delmarva, by James F. White and Amy Wendt White



Solitary Bee Hotels with Grace Gutierrez (February 15, 2024)

Presentation Recording (YouTube)

Additional Resources:
*Making a Solitary Bee Hotel – Penn State
Information on Solitary Bees from the Xerces Society
Making and Managing Wild Bee Hotels – Utah State Extension
Bee Hotel Design and Placement – NC State Extension
Wooden Hotel Using Tubes and Drilled Wood (video)
Using Drilled Wood Blocks (video)
Why Not Bamboo?
Pollinator Plants for Pennsylvania
The Center for Pollinator Research – Penn State
López-Uribe Lab – Penn State
Reference about the Potential Negative Impact that Bee Hotels has on Native Bees
Some More Common Bees found in Bee Hotels
(To list some: Anthidium manicatum, Anthidium oblongatum (the Anthidiums look similar), Osmia cornifrons, Osmia taurus, Osmia lignaria, Xylocopa virginica, Osmia georgica, Megachile sculpturalis, Megachile rotundata, Megachile pugnata)



Thinking Like a Naturalist: Reclaiming the Art of Natural History with John Muir Laws (February 1, 2024; rescheduled from November 16, 2023)

Presentation Recording (YouTube)

Additional Resources:
John Muir Laws’ website
The Naturalist Store on JML’s website (includes books)
Your Quick Start Guide to Nature Journaling (free digital download)
“How to Draw” Free Online Lessons
How to Teach Nature Journaling
Field Sketching Supplies and Naturalist Equipment
Wild Wonder Foundation



Unlawning Suburbia: Lessons in the Design and Management of Nature-Inspired Landscapes with Benjamin Vogt (January 18, 2024)

Presentation Recording (YouTube) – no longer available (access expired on Feb 1, 2024)

Co-sponsor links:
Tredyffrin Public Library 
Tredyffrin Township Environmental Advisory Council (EAC)

Additional Resources:
Izel Native Plants (for purchasing plugs)
Just Say No to No Mow May
The Humane Gardener with Nancy Lawson
Native Predatory Wasps with Heather Holm (free virtual lecture – June 20)
Monarch Gardens, LLC
Monarch Gardens online classes (use code LAWNKILL30 for 30% off)
Monarch Garden garden pocket guides (use code LAWNKILL30 for 30% off)
The Garden Shop at Jenkins for native plants + books (Members get 10% off purchases)

Books:
Prairie Up: An Introduction to Natural Garden Design, by Benjamin Vogt
A New Garden Ethic: Cultivating Defiant Compassion for an Uncertain Future, by Benjamin Vogt
Planting in a Post-Wild World, by Thomas Rainer and Claudia West
The Living Landscape: Designing for Beauty and Biodiversity in the Home Garden, by Rick Darke and Doug Tallamy
Garden Revolution: How Our Landscapes Can Be a Source of Environmental Change, by Larry Weaner and Thomas Christopher
New 2023 Suggested Books



How Animals Overwinter with Leah Brooks (December 21, 2023)

Presentation Recording (YouTube)

Additional Resources:
Wintering Wood Frogs Freeze Solid
Nova ScienceNow – Frozen Frogs (video)
Turtles Don’t Hibernate, They Brumate
Attract Birds With Roost Boxes
Brush Piles: Improving Backyard Habitat
Winter versus Raccoons, Skunks and Opossums
The Butterflies of Winter
Soft Landings (diverse native plantings under keystone trees)
Black Rock Sanctuary – vernal pools in Phoenixville, PA



Cider: Pennsylvania’s Once (& Future?) Favorite with Mark A. Turdo (October 19, 2023)

Presentation Recording (YouTube)

Additional Resources:
Pommel Cyder blog (short articles on cider history and cidermaking)
Historic cidermaking resources
Modern cidermaking resources
Pennsylvania Cider Guild
Ploughman Cider (Aspers, Pa)
Dressler Estate (Downingtown, Pa)
Manoff Market Cidery (New Hope, Pa)
Old Stone Cider (Lewisville, Pa)
Philly Cider Week (Oct 21 – 29, 2023)



Flowers, Flies, and Fermentation: The Pollination Ecology of Pawpaw with Kate Goodrich, Ph.D. (September 21, 2023)

Presentation Recording (YouTube)

Additional Resources:
In Defense of Plants podcast – Ep. 176 – On Pawpaw and Floral Mimicry with Kate Goodrich
The Academic Minute – Kate Goodrich, Widener University – The Pollination Biology of Pawpaw
Searching For The Pawpaw’s Indigenous Roots
NPR – The Salt – The Pawpaw: Foraging For America’s Forgotten Fruit
Peterson Pawpaws website

Books:
Pawpaw: In Search of America’s Forgotten Fruit, by Andrew Moore
Andrew Moore’s website



Cultivating Soil Health with Mark Highland (August 17, 2023)

Presentation Recording (YouTube)

Additional Resources:
Rodale Institute
Organic Mechanics Soil Company
University of Delaware Soil Testing Program 
Ecological Landscape Alliance (ELA)
Organic Materials Review Institute (OMRI)

Books:
Teaming with Bacteria, Teaming with Fungi, Teaming with Microbes, Teaming with Nutrients – all by Jeff Lowenfels
Practical Organic Gardening, by Mark Highland
The Hidden Half of Nature, by David Montgomery and Anne Bikle
Secrets of the Soil, by Peter Tompkins and Christopher Bird
Soil Science Simplified, by Milo Harpstead, Thomas Sauer, and William Bennett



Strangers in the Night: Moth Ecology and Conservation with Elena Tartaglia, Ph.D. (July 20, 2023)

Presentation Recording (YouTube)

Gardening for Moths Resource Handout from Elena Tartaglia

Additional Resources:
National Moth Week
Jersey-Friendly Yards
International Dark-Sky Association
iNaturalist
BugGuide
Butterflies and Moths of North America

Field Guides:
Peterson Field Guide to Moths of Northeastern North America, Beadle & Leckie
Caterpillars of Eastern North America, Wagner
Discovering Moths: Nighttime Jewels in Your Own Backyard, Himmelman
A Field Guide to Caterpillars, Allen, Brock & Glassberg



City-Dwelling Bees: Urban Ecology and Urban Theory with Austin Martin (June 15, 2023)

Presentation Recording (YouTube)

Additional Resources:
Paper by Doug Sponsler – used honey bee pollen DNA to describe the plants that grow in Philly throughout the seasons
Growing a Sustainable City? The Question of Urban Agriculture by Hamil Pearsall and Christina Rosan – it covers some of the political economic challenges behind keeping urban agriculture viable in the city
USGS Bee Inventory and Monitoring Lab Photos – managed by Sam Droege (Flickr)
Austin Martin’s master’s thesis on native bees in Detroit
Blog posts by Austin Martin
Urban GIS, Land Cover, and Bees in the City: Digital Methods for Transdisciplinary Research
Cities as Havens for Bees: Using Remote Sensing to Visualize Urban Bee Habitat



Mapping Our Impact Together with Karen Clancy and Jess Vairo (May 18, 2023)

Presentation Recording – no longer available

Additional Resources:
2023 IPCC Report on Climate Change
NOAA’s Climate Explorer
The Carbon Footprint of a Lawn
Native Plant Finder
Refugia Ecological Greenway Network
Right Plant, Right Place Native Plant Lists (Bowman’s Hill Wildflower Preserve)



Native Orchid Conservation Efforts at Longwood Gardens with Peter Zale, Ph.D. (April 20, 2023)

Presentation Recording (YouTube)

Additional Resources:
North American Orchid Conservation Center (NAOCC)
How to Create a Bog Garden
More from the Longwood Gardens blog –
Native Orchid Conservation at Longwood Gardens
Science Behind the Beauty: Orchid Conservation at Longwood
Planting the Seed



A Forest Grows in Chester County with Rachael Griffith (March 16, 2023)

Presentation Recording (YouTube)

Additional Resources:
Landscapes3
Chester County Climate Action Plan – October 2021
ChesCo Planning’s Woodlands and Tree Protection Webpage
Keystone 10 Million Trees program
Tree Equity Score
Find your local environmental group
DCNR Faction: Managing Forest Resilience in a Changing Climate
DCNR’s predictions for native tree species likely to increase or decrease in our area as a result of climate change (see p. 58-59)
Massachusetts DCR’s resources:
Caring for your Woods: Adapting to Changing Conditions
Caring for your Woods: Managing for Forest Carbon



Birds & Beaks with Marcy Engleman (February 16, 2023)

Presentation Recording (YouTube)

Additional Resources:
John James Audubon Center website
Great Backyard Bird Count
Bird Migration Explorer (Audubon)
Survival by Degrees (Audubon)
The Cornell Lab of Ornithology
Food and Feeder Preferences of Common Feeder Birds – Project FeederWatch



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)

Presentation Recording – no longer available

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)