Gardens with a checked street address within 50 straight-line miles of the U.S. Census reference point for Allentown, Pennsylvania. Each result shows its own town; being on this page does not mean a garden is inside Allentown city limits. Distances are straight-line, not driving.
Within 50 miles of central Allentown. 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.
Historic home landscape of designer Martha Brookes Hutcheson with five garden areas, fields and trails. Open daily from 8 am to sunset.
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.
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.
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.
A county rock garden in Far Hills with alpine and woodland gardens on rock outcrops in a wooded stream valley. Closed Mondays; weekends closed November to March.
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.
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.
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.
An arboretum in Media. Check seasonal hours and any membership eligibility before relying on discounted entry.
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.
Morris County arboretum in Chester Township with formal and informal gardens, meadow paths and over 3,500 plant species. Open daily; a seasonal phone tour is available.
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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