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BLUE VERVAIN - Verbena hastata - Vervain grows three to five feet high, with opposite leaves of a deep blue to purplish. It is a perennial found growing wild by roadsides and sunny pastures, bearing many small pale-lilac flowers. Used as an herb to aid in bladder afflictions, lung and other ailments.
Zones: 4 through 9
Height: Up to 5 ft.
Flower Color: Blue/Purple
Plant Type: Native Perennial
Light Requirement: Sun Partial Shade
Bloom Time: Summer Seeds per
Packet: 500+ Seeds per
Is this wildflower invasive: No
Is this wildflower endangered: No
Is this wildflower edible: No
Is this wildflower medicinal: Yes