The garden is owned by the Forest Preserve District of Cook County, and managed by the Chicago Horticultural Society. It conserves rare plant species and works with other organizations for plant conservation.

Located at 1000 Lake Cook Road, Glencoe, it is a partner in the Seeds of Success project, a branch of the Millennium Seed Bank Partnership managed by the Royal Botanic Gardens, Kew. The goal is to collect 10,000 seeds from each of 1,500 native species of the Midwest for conservation and restoration efforts. 

Winterthur Museum, Garden and Library, Winterthur, Delaware

The former home of Henry Francis du Pont (1880–1969), a renowned antiques collector, horticulturalist and member of the prominent industrialist family, houses one of the most important collections of Americana in the United States.

Designed in the spirit of 18th- and 19th-century European country houses, Winterthur is situated on 979 acres near Brandywine Creek, with 60 acres  of naturalistic gardens. 

Winterthur is a Swiss city that was a du Pont family ancestral home.

Biltmore Estate, Asheville, North Carolina

Built in the late 1800s as the summer home of George W. Vanderbilt, the estate’s most notable feature is a French Renaissance mansion that is considered the largest private residence in the United States.