Upcoming Events Outside HPS/MAG....Below is just a sampling of the many programs planned by other non-profit, horticulture-related organizations in our area. Please note that the items listed here may not be updated following posting. If you are interested in a particular event, please check the organization's website for the most current information. To have your event added to our "Upcoming Events Outside HPS/MAG", click on this link to fill out a request form. Your event will be reviewed and posted as long as there are no conflicts. May May 7 Philadelphia Chapter of the Herb Society, Historic Yellow Springs Meadow, 10 am to 2 pm https://www.hsaphiladelphia.org/herb-sale May 9 Dahlia Society Tuber Sale in front of Longwood Gardens Visitor Center May 9 Delaware County Master Gardeners Sale, May 9, 2026 – 9:00 am. to 1:00 pm May 9 Uwchlan Garden Club Uwchlan Meeting House, Lionville May 9-10 Brandywine Conservancy Wild Flower, Native Plant and Seed Sale https://www.brandywine.org/conservancy/events/wildflower-native-plant-and-seed-sale May 9 Ambler Arboretum of Temple University, 580 Meetinghouse Road Ambler PA 19002. Open Days of the Collins Nursery of Ambler Arboretum - Native Plant Sales. https://ambler.temple.edu/arboretum/collins-nursery May 16 – 9 am to 1 pm Montgomery County Master Gardeners, Montgomery County Fairgrounds, 1015 Bridge Road, Collegeville, PA 19426 May 16 9 am to 1 pm GreenAllies at the Althouse Arboretum, 1794 Gilbertsville Road, Pottstown, PA 19464. Find rare, unusual, and funky plants from a number of growers at the Funky Plant Sale:Botanical Oddities! This sale is where plant lovers gather to hunt for plants that are hard to find, visually strange, or especially collectible. Plants not normally found in nurseries! We will also have a selection of native plants, herbs and vegetable! https://www.facebook.com/events/954361793781353 May 17 10:00am - 2:00pm The Ambler Keystone Branch of the Women's National Farm & Garden (WNF&G), 1400 Twining Valley Road, Dresher. will sell small plants from local gardens and "plugs" for $5 each at the annual Twining Valley Park Native Plant Sale. https://www.amblerfg.org/ May 18-23 The American Iris Society 2026 NJ/NY Conference. Explore irises in New Jersey and New York via 4 different gardens. The four gardens are: Brooklyn Botanic Garden, Presb Memorial Iris Garden, Rutgers Gardens and Gary Slagle's garden in Phanaticville. https://ais2026convention.org/ May 29 @ 6:30 pm and May 31, 2026 @ 2pm at Bartram's Garden; May 30, 2026 @ 7:30 pm at Perelman Theater. Organized by the Philadelphia Chamber Music Society. Nature walks with Suzanne Simard and Robin Wall Kimmermer + concert with Roomful of Teeth at Bartram's Garden, and a Panel Discussion with Simard & Kimmerer at the Perelman Theater. Website: https://www.pcmsconcerts.org/projects/rootsong/ May 30 Ambler Arboretum of Temple University, 580 Meetinghouse Road Ambler PA 19002. Open Days of the Collins Nursery of Ambler Arboretum - Native Plant Sales. https://ambler.temple.edu/arboretum/collins-nursery June June 13 Ambler Arboretum of Temple University, 580 Meetinghouse Road Ambler PA 19002. Open Days of the Collins Nursery of Ambler Arboretum - Native Plant Sales. https://ambler.temple.edu/arboretum/collins-nursery June 13 & 14 1:00pm - 4:00pm Society Hill Civic Association Garden Tour, Old Pine Community Center, 401 Lombard Street, Phila. PA 19147. Tickets are now on sale for this self-guided walking tour of 15 gardens in beautiful, historic Society Hill, Philadelphia, PA. societyhillcivic.org/gardentour June 13-14 Gardens of Society Hill Tour, Old Pine Community Center, 401 Lombard street, Philadelphia, PA 1:00 - 4:00pm. The Gardens of Society Hill Tour: A self-guided walking tour of 15-17 gardens in beautiful, historic Society Hill in Philadelphia. Be enchanted by these lush city gardens tucked away from view. Get inspiration for your own gardens. Ticket prices; $35 in advance: $40 at the door. A truly fun and inspiring event. www.societyhillcivic.org BEYOND THE GARDEN GATE: AN INVITATION TO A STATE-WIDE GARDEN TOUR This year, there is an especially exciting opportunity for garden lovers. In honor of our nation’s 250th anniversary, GCFP (Garden Club Federation of PA) is hosting the first-ever Pennsylvania garden tour, showcasing private residential gardens across the state. The PA Garden Party will feature 90 gardens statewide on Saturdays, June 20 and June 27, 2026, from 9:30 a.m. to 4:00 p.m. rain or shine. For a full listing of the garden clubs participating across the state, visit https://pagardenclubs.org/gcfp-2026-garden-party. Below are the local participating clubs:
A $25 ticket includes a tour book—your admission to all participating gardens on both Saturdays. The book includes the garden descriptions, addresses, maps, and GCFP information. Tickets are available March 1 through June 6, 2026, via check or credit card at pagardenclubs.org. After June 6, tickets will be $30 and available at designated gardens listed on the website. For additional information, contact [email protected] , Uwchlan Garden Club July July 4 Ambler Arboretum of Temple University, 580 Meetinghouse Road Ambler PA 19002. Open Days of the Collins Nursery of Ambler Arboretum - Native Plant Sales. https://ambler.temple.edu/arboretum/collins-nursery July 11 Ambler Arboretum of Temple University, 580 Meetinghouse Road Ambler PA 19002. Open Days of the Collins Nursery of Ambler Arboretum - Native Plant Sales. https://ambler.temple.edu/arboretum/collins-nursery July 17 Woody Plant Conference more information click here. August August 15 Ambler Arboretum of Temple University, 580 Meetinghouse Road Ambler PA 19002. Open Days of the Collins Nursery of Ambler Arboretum - Native Plant Sales. https://ambler.temple.edu/arboretum/collins-nursery August 18-21 International Waterlily & Water Gardening Society (IWGS) in St. Louis, Missouri. Join water gardeners from around the world for a three-day symposium featuring expert speakers and tours of gardens and plant science centers in and around St. Louis, MO. https://iwgs.org/2026-symposium-stlouis/ September September 12 Ambler Arboretum of Temple University, 580 Meetinghouse Road Ambler PA 19002. Open Days of the Collins Nursery of Ambler Arboretum - Native Plant Sales. https://ambler.temple.edu/arboretum/collins-nursery September 26 Ambler Arboretum of Temple University, 580 Meetinghouse Road Ambler PA 19002. Open Days of the Collins Nursery of Ambler Arboretum - Native Plant Sales. https://ambler.temple.edu/arboretum/collins-nursery October October 17 Ambler Arboretum of Temple University, 580 Meetinghouse Road Ambler PA 19002. Open Days of the Collins Nursery of Ambler Arboretum - Native Plant Sales. https://ambler.temple.edu/arboretum/collins-nursery
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