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.

Perennial Plant Association

Address: 3383 Schirtzinger Road
Attn: Dr. Steven M. Still
Hilliard,, OH 43026

Region: Mid-Atlantic

Web: www.perennialplant.org

Organization Structure: Private Non Profit
Organization Scope: National
Organization Type: Nature Conservancy