HPS/MAG Membership covers two people from the same household.  Register yourself first and the second person from your household as "Your Guest" before finishing your registration because you can only fill out the form once, you can't go back into the form to make corrections. Members Only Events means two people from the same household may attend.   

Trips

April 28, 2025 - May 3, 2025 HPS/MAG Trip to Virginia and North Carolina. Click here for details. This trip is full, waitlist being formed.

July 22, 2025 - July 27, 2025 HPS/MAG Trip to Western PA and Buffalo, NY. Registration is now open. Click here for details. This trip is full, waitlist being formed.

September 24, 2025 - October 5, 2025 HPS/MAG International Trip: Gardens and Architecture of Andalucia with Optional Extension to Gardens of Marrakech. Click here for details. Trip is full, waitlist being formed.

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Special Interest Groups

Special Interest Groups are open to all our members. The Special Interest Group Leads are working on upcoming events.  Check back for more information.

April 25, 2025 SIG-Native Gardens: Shenks Ferry Wildflower Preserve in Conestoga, PA. Click here for details.  Members Only Event.

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Programs

March 22, 2025 March Into Spring XVIII - A Symposium for Gardeners "A Changing World". Click here for details.

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Pop-Up Events  

Save the date for the Upcoming 2025 Pop-Up Events, registration will open closer to their date.

March 11, 2025  Hardy Winter Flowers with Charles Cresson in Swarthmore, PA. Click here for details. This day is full.

March 12, 2025  Hardy Winter Flowers with Charles Cresson in Swarthmore, PA. Click here for details. This day is full.

March 13, 2025  Hardy Winter Flowers with Charles Cresson in Swarthmore, PA. Click here for details. This day is full.

April 9, 2025 Guided Tour at Morris Arboretum & Gardens -Shrubs for All Seasons. Click here for details. Members only event.

April 15, 2025 Spring-Blooming Camellias at Hedgleigh Spring, Swarthmore, PA.  Click here for details.

April 16, 2025  Shade Garden Workshop with Jenny Rose Carey –at Northview Garden, Ambler, PA. Click here for details. Members only event.

April 17, 2025 Spring-Blooming Camellias at Hedgleigh Spring, Swarthmore, PA.  Click here for details.

April 21, 2025 Spring Ephemerals with John Lonsdale at Edgewood Gardens, Exton, PA. Click here for details. Members only event.

April 24, 2025 Propagation Workshop  at Chuck Feld’s Birmingham Gardens in West Chester, PA. Click here for details. This is a Members and Non-Members Event.

April 24, 2025 Hypertufa Trough-Making: A Hands-On Workshop with Louise Clark, Skippack, PA. Click here for details. Members only.

April 26, 2025 Propagation Workshop  at Chuck Feld’s Birmingham Gardens in West Chester, PA. Click here for details. This is a Members and Non-Members Event.

April 26, 2025 Hypertufa Trough-Making: A Hands-On Workshop with Louise Clark, Skippack, PA. Click here for details. Members only.

May 5, 2025 A Visit to Ellen & Bob’s Collectors Farmland Garden in Oley, PA. Click here for details. Members only.

May 7, 2025 Carolyn’s Shade Gardens at Whitehall Farm Gardens, Worcester, PA . Click here for details. Members only.

May 7, 2025 Virtual Pop-Up: Fabulous Lilies and How to Grow Them with Charles Cresson. Click here for details. This is a Members and Non-Members Event. 

May 14, 2025 An Outing to Fernbrook Farms, Chesterfield, NJ. Click here for details. Members only.

May 15, 2025 Native Azaleas – and More Native Azaleas – a Propagation Demonstration and Nursery Visit with Jim Gears of Pennsbury Gardens. Click here for details. Members only.

May 17, 2025 Guided Tour of Henry Botanic Garden, Gladwyne, PA. Click here for details. Members only.

May 20, 2025 “Container Planting Deep Dive” with Andrew Bunting – Swarthmore, PA. Click here for details. This is a Members and Non-Members Event.

May 22, 2025 Stoneleigh: a natural garden, Villanova, PA. Click here for details. Members only.

May 24, 2025 Cairnsgrove Gardens & Apiary in Pottstown, PA. Click here for details. Members only.

June 3, 2025 Leslie’s Hillside Garden, Coatesville, PA. Click here for details. Members only.

June 5, 2025 Bob & Nancy’s Seven Springs Farm, Chester Springs, PA. Click here for details. Members only.

June 12, 2025 Propagation Workshop with Steven Kristoph in Millstone, NJ. Click here for details. This is a Members and Non-Members Event.

June 14, 2025 Tour of Designer Lucille’s Home Garden in Bala Cynwyd, PA. Click here for details. This is a Members and Non-Members Event.

June 16, 2025 Propagation Workshop with Steven Kristoph in Millstone, NJ. Click here for details. This is a Members and Non-Members Event.

June 17, 2025 Tour of Kristi’s Garden in North Wales, PA. Click here for details. This is a Member and Non-Members Event.

June 19, 2025  Bog Garden Workshop at Aquascapes Unlimited, Pipersville, PA. Click here for details. Members only. 

June 21, 2025 A Garden Day in the Harrisburg, PA  Area. Click here for details. This is a Members and Non-Members Event.

June 28, 2025 Norm’s Chestnut Hill Oasis, Philadelphia, PA. Click here for details. Members only.

July 1, 2025 A Sweet Summer Soiree at Hedgleigh Spring, Swarthmore, PA. Click here for details. Members only.

July 9, 2025 Meadow Plant Challenge at Goodly Gardens, Lansdale, PA. Click here for details. This is a Members and Non-Members Event.

July, 29, 2025 Virtual Pop-Up: Fall Blooming Bulbs – with Charles Cresson. Click here for details. Members only.

August 5, 2025 Meadow Plant Challenge at Goodly Gardens, Lansdale, PA. Click here for details. This is a Members and Non-Members Event.

August 12, 2025 Iris Division & Care – A Hands-On Workshop, Erdenheim, PA. Click here for details. Members only.

August 18, 2025 Tour of Chuck’s Garden in Coatesville, PA. Click here for details. Members only.

September 4, 2025 Shrub Selection Workshop, Ambler, PA. Click here for details. Members only.

September 16, 2025  Autumn Bulbs & Perennials in Bloom at Hedgleigh Spring, Swarthmore, PA. Click here for details. Members only.

October 7, 2025 Fall Peony Care at Goodly Gardens, Lansdale, PA. Click here for details. This is a Members and Non-Members Event.

November 5, 2025 Fall Camellias in Bloom at Hedgleigh Spring, Swarthmore, PA –Home Garden Tour with Charles Cresson. Click here for details. Members only.

November 6, 2025 Fall Camellias in Bloom at Hedgleigh Spring, Swarthmore, PA –Home Garden Tour with Charles Cresson. Click here for details. Members only. 

Another Year at Brandywine Cottage:
Tours of David Culp’s Garden through the Six Seasons

A Series of Six Seasonal Tours

There was so much interest in our Brandywine Cottage series that we are delighted to offer a new series of visits to David Culp’s famous Brandywine Cottage in 2025, shifting the dates from 2024 to offer yet new perspectives. To simplify the calendar, all visits are scheduled for a Thursday, with rain date the following day. The timing of the visits will reflect the six seasons as described in his award-winning book, A Year at Brandywine Cottage: Six Seasons of Beauty, Bounty, and Blooms. Dates for all six tours are shown below.  

Tour Dates (all at 10 AM – 12 Noon):

Season – Early Spring (February March)

Season – Late Spring (April/May/June): Thursday, May 8 (Rain Date May 9) Event is full.

Season – Summer (July/August): Thursday, August 7 (Rain Date August 8) Event is full.

Season – Early Fall (September/October): Thursday, October 9 (Rain Date October 10) Event is full.

Season – Late Fall (November): Thursday, November 20 (Rain Date Nov.21) Event is full.

Season – Winter (December/January): Thursday, January 8, 2026 (Rain/Snow Date Jan. 9)

For more information, click here.