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Verbena hastata
Also called Blue vervain, Wild hyssop, Blue verbena, Simpler's Joy, American Blue Vervain, American Vervain, Swamp Vervain
Swamp verbena (Verbena hastata) is a native North American perennial that forms upright, square stems up to 1.5 m tall, topped by spikes of violet flowers in late summer. It grows best in consistently moist soil, such as wet meadows and stream banks.
Verbena hastata, commonly known as American vervain, blue vervain, simpler's joy, or swamp verbena, is a perennial species of flowering plant in the vervain family, Verbenaceae. It forms stems up to 1.5 metres (5 feet) tall, topped by spikes of purplish flowers. It grows throughout the continental United States and in much of southern Canada in wet conditions.
V. hastata is native in the United States in all states except Alaska and Hawaii. In Canada, it is native in the provinces of British Columbia, Saskatchewan, Manitoba, Ontario, Quebec, New Brunswick, Nova Scotia, and Prince Edward Island.
Glandularia aristigera · Verbena tenera · Purpletop vervain · Bigbract verbena · Brazilian vervain · Verbena canadensis · Seashore vervain · Herb of the cross · Verbena peruviana · Tuberous vervain · Vervain
Text excerpted from the Wikipedia article Verbena hastata by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
