leaf icon
leaf icon
leaf icon
calendar icon
Gardens To Visit
caret icon
Visit a PHS garden or landscape to help build stronger social connections with your community.
For Neighborhoods
caret icon
Explore programs that create healthy, livable environments and increase access to fresh food.
For Gardeners
caret icon
Engage with PHS on gardening, whether you’re an expert or a beginner.
About Us
caret icon
Get to know our story, become a part of our staff, or see what is in the news with PHS.
The Flower Show

Stephen L. Mostardi

Board Member

Steve Mostardi owns the full-service, three-generation garden center, Mostardi Nursery, based in Newtown Square. He traces his gardening roots to a grandfather who was an estate gardener on the Main Line. Steve trained at the Barnes Foundation Arboretum and Temple University. He currently serves on the executive committee of the Horticultural Research Institute, which is the research and development affiliate of AmericanHort.

Steve chairs the PHS Gold Medal Award Program Committee, which evaluates and recognizes trees, shrubs and woody vines of outstanding merit, and serves on the Meadowbrook Farm Governance Committee. He received the PHS Certificate of Merit in November 2013. Steve has been on the PHS Board since 2013.