Mission: Established in 1931, The Holden Arboretum connects people with nature for inspiration and enjoyment, fosters learning and promotes conservation. Covering 3,600 acres, The Holden Arboretum is among the largest arboreta in the United States. Documenting more than 120,000 plants, Holden's horticultural focus is on a recognized collection of trees and shrubs, which are displayed in gardens accompanied by groundcovers and perennials, and in themed collections. Named as an Important Bird Area by the Audubon Society, with more than 20 miles of hiking trails, Holden is a haven for bird watchers as well hikers, gardeners and nature enthusiasts. (Less)

The Holden Arboretum is a 501(c)(3) organization, with an IRS ruling year of 1953, and donations are tax-deductible.