Blue Vervain

Verbena hastata L.

Verbenaceae (The Verbena Family)

▲ seedling

▲ mature, flowering plant

▲ flowers

▲ leaves

·         Blue Vervain:  (mentioned on p. 553 in Weeds of the Great Plains, nor Weeds of the Northeast)

o   Simple perennial with slender terminal spikelets with purplish-blue flowers

o   Similar to hoary vervain, except blue vervain leaves have petioles and blue vervain is more commonly found in wet soils along streams and lakes