The 15 acre garden is located in the Berkshire Mountains near Stockbridge, Massachusetts and is operated by a non-profit, membership organization. Its mission is to fulfill the community's need for information, education and inspiration concerning the art and science of gardening and the preservation of the local environment.

The gardens are located on both sides of West Stockbridge Road. Its collections emphasize plants either indigenous to or adapted to growing in the Berkshires. They have over 3,000 species and cultivars represented in the garden.