If you love plants and want to learn more about how to grow them, where to get them, and how to use them in your garden, we cordially invite you to join us for ...

The Hardy Plant Society Book Sale

Open to Members and Non-Members

Sale Starts Thursday, October 1st. These books make a wonderful holiday gift!

We are selling a wonderful selection of books for your reading pleasure and horticultural information. Copies of each book are limited. Here is our list of books and associated quantities and price. They are discounted 20% and Pa sales 6% tax is included.

Click here for list of book titles, prices, reviews, available quantities and order forms (available on 10/1).

Please contact Mary Ann Thomas at [email protected] with questions. 


Pop-Up Events 

Pop-ups are member-sponsored events that don’t fall under the categories of our established Special Interest Groups. 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. 

Upcoming Pop-Up Events
Fall Colors at the Shinn Japanese Maple Garden - Saturday, October 17 10:00 a.m.

We return for the fall colors at Ed and Debbie Shinn’s incredible two-acre Japanese Maple garden, quite close to the Jersey Shore in zone 7b. Members only - registration fee is $5. One spot is available for this event. Click here for details and registration.

The Garden of Charles Cresson - Sunday, September 20 Tour #1, noon to 2 pm and Tour #2, 3 pm to 5 pm
Tuesday, September 22 Tour #3, 10 am to noon and Tour #4, 1 pm to 3 pm

All 4 tours are full and registration is closed. 


HPS Programs


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 HPS Program Events

Wholesale Shopping at Still Pond Nursery - Saturday, September 19 9:00 a.m.

Members-only wholesale shopping event. Click here for details. Only members can view the details once signed into their membership profile.

Virtual Lecture: "Designing with Shrubs for Fall and Winter Interest" - Sunday, September 27 2:00 p.m.

Join us for a virtual lecture held by horticultural consultant, educator, and author Eva Monheim. This Free event is a partnership between the Hardy Plant Society, Haverford College Arboretum and The Henry Foundation. Members and Non-members welcome. Click here for details and registration.

Virtual Event: Joint Lecture with Scott Arboretum - Sunday, November 1 2:00 p.m.
This event is a partnership between the Hardy Plant Society and Scott Arboretum. Speaker is Richard Hawke. Members and Non-members welcome. Details to follow.


Special Interest Groups (SIGs)

SIGs are events sponsored by either our Native Plant SIG Leader, Margaret Moore, or our Perennial Plant SIG Leader, Mary Ann Thomas. We are always looking for new SIG Leaders who have an interest in a specific aspect of gardening. 

No SIG Events are scheduled at this time.




HPS/MAG COVID-19 PRACTICES AND POLICIES: All HPS/MAG Events are subject to COVID "Stop the Spread" measures. Masks are mandatory and 6 foot social distancing will be followed.

Additionally, every registrant must sign a Coronavirus Waiver prior to attending any event. Click here for the waiver. If possible, please download a copy of the waiver, sign it and bring it with you to the event. The event coordinator will have extra copies available for registrants that need them.