Boone County Arboretum
Arboretum of about 121 acres in Union, Kentucky with more than 5,500 trees and shrubs. Open daily with no charge for admission or parking.
Gardens with a checked street address within 50 straight-line miles of the U.S. Census reference point for Cincinnati, Ohio. Each result shows its own town; being on this page does not mean a garden is inside Cincinnati city limits. Distances are straight-line, not driving.
Within 50 miles of central Cincinnati. Checked September 28, 2026.
Arboretum of about 121 acres in Union, Kentucky with more than 5,500 trees and shrubs. Open daily with no charge for admission or parking.
A zoo in Cincinnati that also keeps a botanical collection of about 3,000 plant species next to its 400 animal species. Open daily 10 a.m. to 5 p.m. through November 18, 2026.
A Five Rivers MetroParks arboretum in Dayton with specialty gardens, a conifer collection, a boxwood maze, woodland trails and a 65-foot tree tower. Parking is free.
A 9.75-acre arboretum in Indian Hill focused on evergreens and companion plantings. Admission is free; no pets are allowed and renovations may close the main vehicle entrance in 2026-2027.
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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