HPS/MAG Programs 

We are a hub for gardening! The Philadelphia region has a tradition of gardening going back more than 300 years. It continues today with more than 30 gardens, historic landscapes and arboreta within 30 miles of the city.

Important: Click here to view HPS/MAG Refund Policy.


Our enthusiastic and knowledgeable Program Chairperson scouts speakers and topics both nearby, and from across the country. Our lecturers include horticulturalists, authors, researchers and landscape designers.

Wholesale shopping opportunities (for members only) are also scheduled. 


Upcoming Wholesale Shopping Events

Our wholesale shopping events are done for 2022. Join us next year!  


Upcoming Speaker Programs

This year, we will offer most speaker programs as Hybrid Events. This type of event offers greater flexibility for attendance - the registrants have the option of attending in-person, or virtually.

October 14, 2022 Perennial Plant Conference Co-Sponsored with Scott Arboretum, A Hybrid Event. 

The 2022 conference schedule includes:
  • The Steppe and Its Plants—Mike Bone
  • Landscapes that Connect New Communities with Perennial Plants—Wambui Ippolito
  • Matching Place to Plant: Expanding the Native Plant Palette—Janet Novak
  • Gardens from the Ashes: Rediscovering Crowninshield and Untermyer Gardens: 10 Years—Paul Orpello and Andrew Schuyler
  • A Perennial Passion for Gardening—Martha Stewart

Click here for details and registration. Registration is open.

November 6, 2022 Joint Lecture with Scott Arboretum, Swarthmore, PA

A Hybrid Event. "Deer Resistant Natives Plants for the Northeast with Speaker: Gregg Tepper. Click here for details and registration. Registration is open.

December 4, 2022 HPS/MAG Annual Meeting at Jenkins Arboretum, Devon, PA,

 A Hybrid Event. "A Four-Season Garden: A Photographic Tour" with Guest Speaker, Kevin Kelly. Click here for details. Speaker and Reception in-person or attend virtually in the comfort of your home.


January 22, 2023 Joanne Walkovic Memorial Lecture 2023, Swarthmore, PA

SAVE THE DATE. More details coming soon. Click here for details as they become available.



HPS/MAG COVID-19 PRACTICES AND POLICIES: All HPS/MAG In-Person Events shall be subject to all COVID-related requirements imposed by any state, local and/or federal agency.  Guests and invitees should apprise themselves of any such requirements prior to attendance.  All HPS/MAG In-Person Events shall also be subject to the COVID-related requirements, if any, of the garden host.  All attendees must bring a mask for every In-Person Event, in case it is required. 

Non-vaccinated attendees at events must sign a COVID waiver. Click here for the waiver. Please bring it with you to the event.