University of Illinois Extension
Directory of Wildflowers - University of Illinois Extension

Directory of Wildflowers

Blue Vervain
Verbena hastata

Blue Vervain
Blue Vervain

Quick Profile

Exposure
Full Sun
 
Mature Height
2 - 6 Feet
 
USDA Hardiness Zones
3 - 8 
 
Native To:
Illinois
Indiana
Iowa
Michigan
Missouri
Ohio
Wisconsin
 
Soil Conditions
Moist, Well-Drained
 
Bloom Color
Blue
Purple
 
Bloom Season
July - September
 

Features

Small, purple to blue flowers blooming a few at a time, on a pencil-thin spike.

Culture

Full sun; moist, well drained to wet soils.

Notes

Found in thickets and along roadsides. This plant will spread through self seeding and slowly through underground rhizomes.