Explore the gardens
Ambler Arboretum of Temple University
Ambler, PA
10 upcoming events
Andalusia Historic House, Garden & Arboretum
Bensalem, PA
A 50-acre Greek Revival estate on the Delaware with formal gardens, native woodlands, and river views.
0 upcoming events
Awbury Arboretum
Germantown, Philadelphia, PA
7 upcoming events
Bartram's Garden
Southwest Philadelphia, PA
America's oldest surviving botanic garden, where John Bartram grew the Franklinia that is now extinct in the wild.
73 upcoming events
Bowman's Hill Wildflower Preserve
New Hope, PA
A native wildflower preserve and an early anchor of the regional native-plant movement.
0 upcoming events
Chanticleer
Wayne, PA
A Main Line summer estate the Rosengartens called a 'pleasure garden', now one of America's most experimental display gardens.
8 upcoming events
Cliveden
Germantown, Philadelphia, PA
The 1767 country seat of Benjamin Chew, fought over in the 1777 Battle of Germantown; its six acres are now a Level I accredited arboretum.
0 upcoming events
Concord School House
Germantown, Philadelphia, PA
A 1775 one-room schoolhouse and its colonial Upper Burying Ground on Germantown Avenue.
0 upcoming events
Friends of the Wissahickon
Chestnut Hill, Philadelphia, PA
39 upcoming events
Garden Conservancy Open Days
0 upcoming events
Glen Foerd
Philadelphia, PA
24 upcoming events
Hagley Museum and Library
Wilmington, DE
29 upcoming events
Hardy Plant Society of the Mid-Atlantic
Philadelphia region, PA
24 upcoming events
Historic Fair Hill
Philadelphia, PA
0 upcoming events
Jenkins Arboretum & Gardens
Devon, PA
62 upcoming events
Longwood Gardens
Kennett Square, PA
Pierre du Pont bought the old Peirce farm in 1906 to stop its century-old trees being sold for lumber, then built grand fountains around them.
30 upcoming events
Morris Arboretum & Gardens
Chestnut Hill, Philadelphia, PA
Quaker siblings John and Lydia Morris built a world-spanning tree collection; Lydia willed it to Penn to become a public garden.
16 upcoming events
Mt. Cuba Center
Hockessin, DE
Pamela Copeland made it a mission for Appalachian Piedmont native plants decades before natives went mainstream.
71 upcoming events
Nemours Estate
Wilmington, DE
Alfred I. du Pont's 1910 estate holds the largest formal French garden in North America.
0 upcoming events
New Kensington Community Development Corp.
Kensington, Philadelphia, PA
110 upcoming events
Pennsylvania Horticultural Society
Philadelphia, PA
28 upcoming events
Philadelphia Community Gardens
56 upcoming events
Philadelphia Orchard Project
Philadelphia, PA
1 upcoming event
Schuylkill Center for Environmental Education
Roxborough, Philadelphia, PA
56 upcoming events
Scott Arboretum of Swarthmore College
Swarthmore, PA
A 1929 memorial conceived as a 'garden of ideas': the best ornamentals an ordinary regional gardener could actually grow.
7 upcoming events
The Barnes Foundation
Philadelphia, PA
0 upcoming events
The Weldin House
Wilmington, DE
0 upcoming events
Tyler Arboretum
Media, PA
Quaker brothers Minshall and Jacob Painter began planting 1,000+ varieties in 1825, on land from a 1681 William Penn grant.
129 upcoming events
Welkinweir (Green Valleys Watershed Assoc.)
Pottstown, PA
0 upcoming events
Winterthur Museum, Garden & Library
Winterthur, DE
Henry Francis du Pont turned his childhood estate into a 60-acre naturalistic garden and opened his own house to the public in 1951.
151 upcoming events