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 across the United States.
Click here to add your organization to the directory. If you are a provider of native plant materials or services, visit our National Suppliers Directory.
| organization | location |
| American Native Nursery | Quakertown, PA |
| Association of Professional Landscape Designers | Harrisburg, PA |
| Audubon Society of Western Pennsylvania | Pittsburgh, PA |
| Bowman's Hill Wildflower Preserve | New Hope, PA |
| Brandywine River Museum | Chadds Ford, PA |
| Council for Botanical and Horticultural Libraries, The | Pittsburgh, PA |
| Garden Club Federation of Pennsylvania, The | Camp Hill, PA |
| Jenkins Arboretum | Devon, PA |
| Morris Arboretum of the University of Pennsylvania | Philadelphia, PA |
| Natural Biodiversity | Johnstown, PA |
| organization | location |