• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Wildflowers - Blue Vervain

Blue Vervain, Swamp Vervain - Verbena hastata
Blue Vervain, Blue Verbena, Swamp Vervain - Verbena hastata
NPS Photo by Jim Pisarowicz
Blue Vervain prefers to grow in open moist areas.

Did You Know?

White Penstemon

White Penstemon is the most widespread penstemon or beardtongue in the Great Plains. The insides of the blossoms are bearded and often spotted with purple. More...