25 gardens in Pennsylvania checked against official websites: 14 arboretums, 8 botanical gardens, 3 native plant gardens. Most are listed in or near Philadelphia, Pittsburgh, Villanova. 10 list free general entry and 10 charge admission; the rest are unrecorded or vary.Gardens near Philadelphia Gardens near Pittsburgh Gardens near Allentown
Admission and hours checked September 28, 2026. Prices may change.
Historic house and grounds in Villanova with an arboretum. Visitors may walk the grounds except during private events, mostly on weekends from April to November.
A 56-acre arboretum in Germantown with planned gardens, historic buildings and a farm. Grounds are free and open every day.
A historic botanic garden in Southwest Philadelphia. Grounds, vehicle access and visitor facilities follow different schedules.
A native-plant preserve in New Hope. Admission and seasonal opening rules differ from those of neighboring Bowman's Tower.
A seasonal pleasure garden in Wayne. Check the parking reservation rules as well as the garden's opening dates.
A campus arboretum at Chatham University's Shadyside campus, open for walking and self-guided tours. Entry is free.
Public garden and arboretum on a family homestead in Edinboro. Grounds are open Wednesday to Sunday during the April to October season; donations are asked in place of admission.
A 63-acre college-owned arboretum in Bath with conifers, wetland plants, wildflowers and rhododendrons. Open to visitors in daylight hours; parking is in a gravel lot by the barn.
A wilderness garden of North American plants on a hillside in Gladwyne. Visits are guided one-hour tours for small groups by reservation only.
Gardens, a conservatory and an indoor butterfly atrium in Hershey. Butterfly Atrium entry ends 15 minutes before closing.
An arboretum and gardens in Devon with free admission. Use the grounds schedule, not the education center's closing time.
Outdoor gardens and conservatories in Kennett Square. Check the seasonal schedule and reserve a timed ticket before visiting.
An 11-acre arboretum with over 100 tree species, pollinator gardens and a dwarf conifer garden, on the LancasterHistory grounds in Lancaster. Open to walk from dawn to dusk at no charge.
An arboretum in northwestern Philadelphia. Seasonal closing times and online admission options are published by the garden.
A conservatory and botanical gardens in Pittsburgh's Schenley Park. Check the garden's visitor notices for area closures.
Outdoor cultivated gardens and woodland paths west of Pittsburgh. Path surfaces and slopes vary.
A museum in Reading with a 25-acre arboretum on its grounds. The arboretum is open daily from sunrise to sunset; the museum has separate hours and paid admission.
Closed for the season; the 2026 season ended September 10 (official notice, checked September 28, 2026). The normal schedule and booking details on this page do not apply until the garden reopens.
A public arboretum on Swarthmore College's campus. Follow the college's visitor parking directions.
A Japanese house with pond, waterfall, tea and courtyard gardens in West Fairmount Park, Philadelphia. Entry is by timed ticket; the house and garden are not wheelchair accessible.
Public garden of Natural Lands on a former Main Line estate, planted with native species around a great lawn and water garden. Free entry Tuesday to Sunday; dogs are not allowed.
A 30-acre reserve of trails, meadows and woods with dogwood, magnolia and holly collections, about a mile north of Widener's campus. Open daily and free.
The H.O. Smith Botanic Gardens and surrounding arboretum at Penn State. Free garden admission does not mean free parking.
An arboretum in Media. Check seasonal hours and any membership eligibility before relying on discounted entry.
These are gardens we could check against their own official websites, not every garden in the area. “Free” refers to general garden entry, not parking, tours or special events. We do not show live opening status.
Read the source and coverage notes
