Resources
for Botanical Studies in the Washington, D.C., Region
When?
Spring flowers (March – June)
Native plants, outdoors (Eastern Prickly
Pear, Showy
Orchis, Trilliums, Trout Lilies, Twinleaf, etc.)
Alien plants, outdoors (Butterflybushes, Crocuses, Hyacinths, Japanese Cherries, Peonies, Tulips, etc.)