We have a number of useful resources including public gardens and national societies and environmental groups that visitors and members may find useful.
- Adkins Arboretum
- American Horticulture Society
- Arbor Day Foundation
- Botanical Society of America
- Brookside Gardens
- Chanticleer Garden
- Cylburn Arboretum
- Delaware Botanic Garden
- Dumbarton Oaks
- The Garden Conservancy
- Green Spring Gardens
- Hillwood Estate
- Horticulture Society of Maryland
- Ladew Topiary Gardens
- Lewis Ginter Botanical Garden
- Londontown
- Longwood Gardens
- Maryland & Federal Environment Laws
- Maryland Native Plant Society
- Mount Vernon
- Mt. Cuba Center
- National Wildlife Federation
- Nemours Estate
- Paca House and Gardens
- Rawlings Conservatory
- Sherwood Gardens
- Smithsonian Gardens
- U.S. National Arboretum
- The U.S. Botanical Gardens
- University of Maryland Home & Garden Extension Service
- Winterthur
District II - Federated Garden Clubs of Maryland 