Verbena hastata (American Blue Vervain)
American Blue Vervain, American Simpler's Joy, Blue Vervain, Ironweed, Wild Hyssop, Swamp Verbena
Verbena hastata (American Blue Vervain) is a tall, upright, clump-forming perennial adorned with spikes of small lavender purple flowers borne on tall, branched, candelabra-like stems. Blooming from early summer to fall, the blossoms open from the bottom upwards for a long-lasting display. Bumblebees are among the important pollinators. They attract butterflies and birds as well. They rise above the foliage of lance-shaped, sharply toothed, green leaves. An attractive perennial for the wildlife garden, the border, along streamsides and at pond edges.
- Grows up to 2-5 ft. high (60-150 cm) and 1-3 ft. wide (30-90 cm). May self-seed in gardens where happy.
- Performs best in full sun in average, moist but well-drained soils. Plant tolerates loamy or wet mucky soils and temporary standing water. Drought tolerant .
- Great for borders, meadows, prairies, native plant gardens, rain gardens or informal/naturalized areas.
- Virtually pest and disease free.
- Propagate by seed, division or softwood cuttings.
- Native to North America.
© Martin Ogden /www.teddingtongardener.com, Antwon McMullen, Shutterstock
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.