They can include members and nonmembers as participants and take place throughout the year.

They cover a wide variety of interests - for example: workshops, garden tours including historical sites, and day trips.    

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

Pop-Up Events 

Save the date for the Upcoming 2025 Pop-Up Events, registration will open closer to their date on a Wednesday after 8:00pm.

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

April 15, 2025 Pop-Up Event: Spring-Blooming Camellias at Hedgleigh Spring, Swarthmore, PA.  Click here for details. Members only.

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

April 17, 2025 Pop-Up Event: Spring-Blooming Camellias at Hedgleigh Spring, Swarthmore, PA.  Click here for details. Members only. This tour is full.

April 21, 2025 Spring Ephemerals with John Lonsdale at Edgewood Gardens, Exton, PA. Click here for details. Members only event. This event is full, so is the waitlist.

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. This workshop has been canceled due to medical reasons.

April 24, 2025 Hypertufa Trough-Making: A Hands-On Workshop with Louise Clark, Skippack, PA. Click here for details. Members only event. This workshop is full and no waitlist.

April 25, 2025 SIG-Native Gardens: Shenks Ferry Wildflower Preserve in Conestoga, PA. Click here for details.  Members Only Event.  This event is full, waitlist being formed.

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. This workshop has been canceled due to medical reasons.

April 26, 2025 Hypertufa Trough-Making: A Hands-On Workshop with Louise Clark, Skippack, PA. Click here for details. Members only. This workshop is full and no waitlist.

April 27, 2025 SIG-Water Garden: Discount Shopping Day: Miller Greenhouses, Wallingford, PA. Click here for details. Open to members and non-members.

Registration Opened March 26th:

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

May 6, 2025 A Visit to Garden Designer Susan Silverstein’s Garden, West Chester, PA. Click here for details. Members only. This tour is full.

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.

Registration Opens April 2nd: 

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. This tour is full.

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. This tour is full.

Registration Opens April 9th:

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.

Registration Opens April 23rd:

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 10, 2025 Discount Shopping Day in Maryland –Putnam Hill Nursery & Cavano’s Perennials. Click here for details. Members only.

Registration Opens April 30th:

June 11, 2025 Lavender Fields of Warwick Furnace Farm, Glenmoore, PA. Click here for details. Member 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 18, 2025 Pollinator Week at Kind Earth Growers in Ottsville, PA. Click here for details. Members only.

Registration Opens May 7th:

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.

Registration Opens May 14th:

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

Registration Opens May 21st:

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

Registration Opens May 28th:

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

Registration Opens June 11th: 

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

Registration Opens June 25th:

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

Registration Opens July 2nd:

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

August 16, 2025  Andy Schenck’s Look Again Garden, Malvern, PA. Click here for details. Members only.

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

Registration Opens July 23rd:

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

Registration Opens July 30th:

September 10, 2025 Guided Tour at Morris Arboretum & Gardens -Trees Around the World. Click here for details. Members only.

Registration Opens August 6th:

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

Registration Opens August 27th:

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

Registration Opens September 24th:

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. 

Registration Opens October 29th:

December 10, 2025 Guided Tour at Morris Arboretum & Gardens - Bare Naked Trees. Click here for details. Members only.