Blue Vervain
- Botanical Name
- Verbena hastata
- Min Zone
- 3
- Max Zone
- 8
- Height
- 2 to 6 feet
- Width
- 12 to 18 inches
- Flowers
- Summer: purplish-blue tubular flowers, pencil-like flower spikes arranged in candelabra-like inflorescenes, blooms begin at the bottom of the flower spike
- Light
- Full sun
- Soil
- Medium to wet
- Planting & Care
- Works well planted along streams, ponds or other moisture rich areas of the landscape
- Spreads by rhizomes and self seeding
- Birds, including the cardinal, swamp sparrow, field sparrow, song sparrow and slate-colored junco feed on the seeds
- Larval host to the common buckey caterpillar
- Plants can be pinched back several times before flowering to encourage branching and fuller habit
Categories
Upcoming
Events & Webinars
Sept. 11, 2026
Illinois State Master Gardener Conference
Rockford, IL
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Sept. 12, 2026
2026 Knowledge in Bloom Conference
Urban Ecology Center, Milw., WI
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Sept. 17, 2026
FREE WEBINAR:
Fall Landscape Care and Planting
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Sept. 26, 2026
Pruning Hydrangeas & Other Shrubs
Pasquesi Home & Gardens, Lake Bluff, IL
Oct. 6, 2026
Upper Midwest Invasive Species Conference
La Crosse, WI
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