Resources
for Botanical Studies in the Washington, D.C., Region
When?
Fall flowers (September – December)
Native plants, outdoors (Common
Witch-hazel, Goldenrods,
Ironweed, Wild Asters), Jewelweeds, Wingstem, etc.)
Alien plants, outdoors (Butterflybushes, Cannas, Dahlias, Daylilies, Impatiens, Marigolds, Zinnias, etc.)