As a service to the public, the Lady Bird Johnson Wildflower Center collects information on native plant societies, conservation groups, governmental agencies, botanical gardens, arboreta, and other plant-related organizations throughout North America. Click here to add your organization to the directory. Affiliates are organizations that partner with the Wildflower Center to encourage the preservation and use of native plants in different regions of the country.

Longwood Gardens

Address: 1001 Longwood Road
P.O. Box 501
Kennett Square, PA 19348

Region: Mid-Atlantic

Phone: (610) 388-1000
Web: longwoodgardens.com

Organization Structure: Private Non Profit
Organization Type: Botanic Garden