American Blue Vervain
Verbena hastata
Last reviewed: July 2026
Verbena hastata is a native wildflower found throughout most of North America, producing spikes of small blue flowers from June through August. This adaptable perennial thrives in various moisture conditions and attracts bees, butterflies, and beetles.
Light
full sun
Water
medium
Size
24"–60" H × 12"–24" W
Bloom
Jun, Jul, Aug
Native to
AL, AZ, CA, CO and 41 more states
Pollinators
bees, butterflies, beetles
Deer
Resistant (per Prairie Moon Nursery)
Browse plants for this ecoregion
American blue vervain is a tall native perennial that produces slender spikes of small purple-blue flowers from June through August. This upright wildflower can reach up to 5 feet tall and forms clumps that spread moderately over time.
Growing American Blue Vervain
Grow American Blue Vervain in full sun and medium water. Mature plants reach 24 to 60 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
American Blue Vervain takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Very tall and can appear weedy
- Informal wildflower appearance
- May self-seed aggressively
Wildlife value
Host plant for common buckeye butterfly.
The long blooming period provides nectar for bees, butterflies, and beetles throughout summer. Seeds are eaten by birds and the foliage supports butterfly larvae.
Common questions
- When does American Blue Vervain bloom?
- Verbena hastata typically blooms from June through August, producing tall spikes of small blue flowers that attract various pollinators.
- What pollinators visit American Blue Vervain?
- This native plant attracts bees, butterflies, and beetles, making it valuable for supporting diverse pollinator populations in gardens and natural areas.
- Where is Verbena hastata native?
- American Blue Vervain is native to most U.S. states from coast to coast, including much of the eastern, central, and western regions, making it one of the most widely distributed native wildflowers.
- What growing conditions does American Blue Vervain prefer?
- This adaptable perennial tolerates a wide range of moisture conditions from wet to dry soils and grows best in full sun to partial sun locations.
- Is American Blue Vervain HOA-friendly?
- American Blue Vervain takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow American Blue Vervain? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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