Philadelphia Botanical Club


Botanical Club meetings are open to the public.

Meetings begin at 7:30 PM. Unless otherwise stated, they are held at the Marvin Comisky Conference Center, Blank Rome LLP at One Logan Square (at the corner of 18th and Cherry Streets in Philadelphia). Enter from the 18th Street courtyard behind the Logan Hotel. Finding the entrance is not straightforward, so if you have not been there before, we recommend that you take a look at our map.

If you have an idea for a future program, please contact the Program Committee chair, David Hewitt. A list of previous meetings is available.

Fall 2018

September 27
Members' Reports on Summer Botanizing

Members are invited to bring photos, slides, or specimens to show.
October 25
Impacts of Overabundant Deer and Invasive Plants on Forests in Central New Jersey: Historical, Empirical and Experimental Evidence

Jay Kelly, Associate Professor of Biology at Raritan Valley Community College
November 15
The Strange But True Story of the Dawn Redwood

Jill Jonnes, historian and author of Urban Forests: A Natural History of Trees and People in the American Cityscape (
December 20
The Historic Role of Fire in the Pine-Oak Forests of Western Maryland

Lauren Howard, Arcadia University
The meeting will be followed by a holiday party.

Spring 2019

January 24
Wood Decay Fungi of Philadelphia

Luke Smithson, President of the New Jersey Mycological Association
February 28
Bees and Urban Flora: Exploring the Trophic Ecology of Ornamentals, Remnants, and "Weeds" in the City

Doug Sponsler, Penn State
March 28: Note the change of program
A Little Knowledge: Citizen Scientists Put Philadelphia's Botanical Heritage to Work in Urban Natural Areas

Steve Jones, President of Wissahickon Restoration Volunteers
April 25
Japanese Flowering Cherries: A 100-Year-Long Love Affair
Anthony Aiello, Morris Arboretum
May 23
Investigating Geoedaphic Meadows, Glades, and Grasslands in Southeastern Pennsylvania

Will Ryan, Academy of Natural Sciences
Chamaedaphne calyculata