Gardens with a checked street address within 50 straight-line miles of the U.S. Census reference point for Philadelphia, Pennsylvania. Each result shows its own town; being on this page does not mean a garden is inside Philadelphia city limits. Distances are straight-line, not driving.
Within 50 miles of central Philadelphia. Checked September 28, 2026.
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.
County display gardens in Somerset with a formal rose garden, perennial and sensory gardens inside an accredited arboretum. Free to visit.
Demonstration garden at the center's Wilmington headquarters showing plants suited to the region. The garden is open to the public in daylight hours.
A wilderness garden of North American plants on a hillside in Gladwyne. Visits are guided one-hour tours for small groups by reservation only.
County arboretum in Clinton Township with a garden, gazebos, picnic grove and nature trails. Grounds are open daily and admission is free.
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 arboretum in northwestern Philadelphia. Seasonal closing times and online admission options are published by the garden.
Five acres of historic gardens at Morven in Princeton, including a Colonial Revival Garden and old catalpa trees. The garden is free daily, sunrise to sunset.
Native plant garden and trails near Wilmington, Delaware, open Wednesday to Sunday during a visiting season that runs April to November. Adults pay $20.
A 200-acre estate with French-inspired formal gardens, a 77-room mansion and a garage of vintage cars in Wilmington. Open Tuesday to Sunday from April 1 to December 30.
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.
180-acre university botanic garden with display gardens, natural areas and Helyar Woods trails. Open year-round except Mondays with no admission fee.
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.
University campus arboretum with about 2,200 trees and shrubs and four historic gardens, including a Japanese garden. The grounds have no gate and no admission fee.
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.
An arboretum in Media. Check seasonal hours and any membership eligibility before relying on discounted entry.
University botanic gardens of about 15 acres in Newark with ten garden areas and a trial garden. No entry fee; open every day; parking is metered.
A 224-acre preserve in Chester County with a 55-acre arboretum around a historic estate house. Grounds are open on weekdays; nonmembers may leave a donation.
A naturalistic garden within a 1,000-acre estate with a house museum; narrated garden tram rides run March to December, open Tuesday to Sunday.
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.
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