Search

Blue Vervain

Photo of blue vervain blooming flower spikes.

Blue vervain is a tall, slender, erect perennial with branching stems and rough hairs. Flowers in many terminal spikes, deep purple, violet, light lavender, or rarely white. The flowers are tubular, 5-lobed, opening from the base of the spikes upward.

Shortened URL
http://mdc.mo.gov/node/28640