The river bottoms, narrow valleys, sinks, hillsides, and ridgetops come alive with a carpet of color in the spring as happens and is celebrated in our other Eastern Parks. Beginning in late February and before the end of March, more than 60 species of herbaceous wildflowers are in flower to start the Spring extravaganza of color. Highlighting this Spring show are such species as Spring Beauty , Twinleaf, Hepatica, Yellow Corydalis, Violets, Trout Lily, Bluebells, May-Apple, Columbine, Phlox, Wild Geranium, Jack-in-the-Pulpit, Trillium, Wood Poppy, Fire Pink, Larkspur, Squirrel Corn, Wild Hyacinth, Synandra, Coral Root Orchid, Yellow Lady Slipper, Crested Dwarf Iris, Showy Orchis, and many more.