Gardens with a checked street address within 50 straight-line miles of the U.S. Census reference point for Providence, Rhode Island. Each result shows its own town; being on this page does not mean a garden is inside Providence city limits. Distances are straight-line, not driving.
Within 50 miles of central Providence. Checked September 28, 2026.
A 281-acre tree and shrub collection of over 15,000 accessioned plants, open daily at no charge. The visitor center keeps shorter hours than the grounds.
A 33-acre estate on Narragansett Bay in Bristol with a 45-room mansion, gardens and an arboretum. General admission covers the mansion and grounds and is paid at the Welcome Center.
A 750-acre college arboretum in New London with a native plant collection, the Caroline Black Garden and a greenhouse. Open daily sunrise to sunset, free.
Native Plant Trust garden in Framingham with more than 1,000 New England native species on 45 acres. Adult admission is $18, and the main path is a one-mile loop.
Closed for the 2026 season (official notice, checked September 28, 2026). The normal schedule and booking details on this page do not apply until the garden reopens.
Sandwich, Massachusetts site with rhododendron, hydrangea and daylily gardens plus museums. Adult admission is $26 and online tickets are encouraged.
Milton arboretum with formal gardens, orchards, woodland and wetland on about 22 acres. Kousa dogwoods flower in June; open weekdays for a suggested $5 donation.
Botanic garden with conservatories, formal and woodland gardens and trails in Boylston. Open daily 10 a.m. to 5 p.m.; timed advance tickets are recommended on busy days.
Arboretum on Martha's Vineyard with azaleas, stewartias, magnolias and other trees and shrubs. Grounds are open sunrise to sunset; adults pay $10 from May to October.
A city-run botanical center in Providence with greenhouses and outdoor gardens including a rose maze, native plant meadow and edible forest. Open Tuesday to Sunday; tickets are paid.
Garden run by the Massachusetts Horticultural Society in Wellesley, with historic and modern landscapes and seasonal plantings. Open April to November; paid entry.
Public garden on the Wellesley College campus with 22 acres of outdoor gardens and the Global Flora Conservatory. Admission is free and student-led tours run during open hours.
Park beside Westerly Library with specimen trees; master gardeners lead walking tours of the trees. Park is open daily from dawn to 9 pm.
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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