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Plant of hoary vervain (Verbena stricta).English: NPS Photo, Public domain, via Wikimedia Commons
Hoary Vervain (Verbena stricta) flowersEnglish: NPS Photo, Public domain, via Wikimedia Commons
Common Buckeye Butterfly on a flowerDr. Thomas G. Barnes, U.S. Fish and Wildlife Service, Public domain, via Wikimedia Commons

(Verbena stricta)
Hoary Vervain

Host Plant: Common Buckeye Butterfly

Nectar Plant: many insects

Flower Color: Lavender

Growth Habit: Herbaceous plant that grows to 2-4 feet tall

Range in North America: Most of North America

Exposure: Full sun, but can tolerate partial shade

Hardiness: Zones 3-8

Soil Requirements: Medium to dry, drought tolerant

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Hoary Vervain (Verbena stricta)

Plant of hoary vervain (Verbena stricta).
Flowers of Hoary Vervain — English: NPS Photo, Public domain, via Wikimedia Commons

Alternative Names

Hoary Verbena, Tall Vervain, and Woolly Verbena

Description of Hoary Vervain (Verbena stricta)

Hoary Vervain (Verbena stricta), a member of the Verbenaceae (Verbena Family), is a herbaceous perennial that grows to 4 feet tall and blooms in the spring and summer with blue/purple flowers.

More about Hoary Vervain can be found on this blog post.

Hosted Species

Common Buckeye (Junonia coenia)

Common buckeye butterfly on flower.
Common Buckeye on Vegetation — Dr. Thomas G. Barnes, U.S. Fish and Wildlife Service, Public domain, via Wikimedia Commons

Nectar Species

Bees use this plant as a nectar source.

Habitat

This species grows in open areas such as fields, roadsides, and meadows.

Range of Hoary Vervain (Verbena stricta) in the United States and Canada

Range map of hoary vervain (Verbena stricta) in the United States and Canada.

Interesting Facts

The genus name, Verbena, comes from the Latin names for religious ceremonies and the specie name, stricta, means upright (Missouri Botanical Garden).

Native Location

Ontario, Quebec, Alabama, Arkansas, Colorado, Connecticut, Delaware, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Pennsylvania, South Dakota, Tennessee, Texas, Utah, Vermont, Washington, West Virginia, Wisconsin, Wyoming

USDA Plant Hardiness Zone

Zone 3, Zone 4, Zone 5, Zone 6, Zone 7, Zone 8

Exposure Requirements

Full Sun, Part Shade/Part Sun

Plant Habit

Herbaceous

Soil Requirements

Dry, Medium

Hosted Species

Junonia coenia (Common Buckeye)

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Hoary Vervain”

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