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Upcoming events
September 2026
Know To Grow: Troubleshooting Roses: Common Pests, Diseases & Natural Solutions with Dr. Van Pham, Head Grower at Heirloom™
Wednesday, September 9, 2026 · 5 PM
PHS Garden Tenders
Wednesday, September 9, 2026 · 6 PM
Basics of Growing Houseplants in a Semi-Hydro, Soil-Free Medium with Aneesa Uqdah
Saturday, September 12, 2026 · 12 PM
September Plant Swap at Manayunk Pop Up Garden
Monday, September 14, 2026 · 6 PM
Spectacular Gardens: Chicago and the North Shore
Tuesday, September 15, 2026 · All day
September Plant Swap at South Street Pop Up Garden
Tuesday, September 15, 2026 · 6 PM
Tour the PECO Green Roof
Thursday, September 17, 2026 · 5:30 PM
Challenge Plant Distribution and Free "Challenge Accepted: Demistifying Challenge Plants" Program
Saturday, September 19, 2026 · 10 AM
September Garden Tour at PHS Meadowbrook Farm
Saturday, September 19, 2026 · 1 PM · PHS Meadowbrook Farm
Seed-Saving Workshop and Community Seed Swap
Sunday, September 20, 2026 · 10 AM
The Art of Forcing Bulbs
Saturday, September 26, 2026 · 10 AM
Make Your Own Herbal Bitters: A Home Herbalism Workshop
Sunday, September 27, 2026 · 10 AM
1827 Society Autumn in the Garden
Sunday, September 27, 2026 · 3 PM
Heirloom Seed Saving Workshop at Manayunk
Monday, September 28, 2026 · 6 PM
Heirloom Seed Saving Workshop at South Street
Tuesday, September 29, 2026 · 6 PM
October 2026
PHS McLean Library Book Group
Thursday, October 1, 2026 · 4 PM
The Living Athenaeum: Creating a Garden in Conversation with Philadelphia's Past: A reflection on design, place, memory, and civic horticulture
Friday, October 2, 2026 · 5 PM
Pressed Plant Workshop – Learning the Art of Pressed Plants
Saturday, October 3, 2026 · 12 PM
Garden Detectives: Exploring Nature at the Athenaeum
Saturday, October 3, 2026 · 1 PM
October Plant Swap at Manayunk Pop Up Garden
Monday, October 5, 2026 · 6 PM
October Plant Swap at South Street Pop Up Garden
Tuesday, October 6, 2026 · 6 PM
Botanical Arts Workshop – Precision and Presentation
Saturday, October 10, 2026 · 10 AM
Make Your Own Herbal Teas, Tinctures, Vinegars, and Syrups: A Home Herbalism Workshop
Sunday, October 11, 2026 · 10 AM
Rooted Treasures: A Philadelphia Arboreta Tour
Wednesday, October 14, 2026 · 9:30 AM
Know To Grow: The Gravel Garden: Visionary, Drought-Defying, Naturalistic Designs with Jeff Epping
Wednesday, October 14, 2026 · 5 PM
Exhibiting 101: From Home to Horticourt
Saturday, October 17, 2026 · 10 AM
Kokedama Workshop: Create Your Own Award-Worthy Kokedama
Saturday, October 17, 2026 · 1 PM
Tour the PECO Green Roof
Thursday, October 22, 2026 · 5:30 PM
Growing Orchids for Competition
Saturday, October 24, 2026 · 10 AM
Backyard Seed Saving
Saturday, October 31, 2026 · 1 PM
November 2026
PHS McLean Library Book Group
Thursday, November 5, 2026 · 4 PM
EXHIBITION OPENING & LECTURE: Bouquet of Stories: Celebrating Philadelphia’s Gardening Heritage
Friday, November 6, 2026 · 5 PM
Pressed Plant Workshop – Learning the Art of Pressed Plants
Saturday, November 7, 2026 · 12 PM
Know To Grow: The World of Oaks: Diversity, Cultural History and Conservation with Tim Boland
Wednesday, November 11, 2026 · 5 PM
December 2026
PHS McLean Library Book Group
Thursday, December 3, 2026 · 4 PM
Designing An Urban Garden
Saturday, December 5, 2026 · 1 PM
Know To Grow: Freedom in The Garden: Pearl Fryar, Michael P. Gibson and the Evolution of Topiary
Wednesday, December 9, 2026 · 5 PM