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PlantFiles: Culver's Root, Bowman's Root, Black Root
Veronicastrum virginicum

Family: Plantaginaceae
Genus: Veronicastrum (ver-on-ee-KAS-trum) (Info)
Species: virginicum (vir-JIN-ih-kum) (Info)

Synonym:Veronica virginica

10 vendors have this plant for sale.

18 members have or want this plant for trade.


4-6 ft. (1.2-1.8 m)

18-24 in. (45-60 cm)

USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
Unknown - Tell us

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There are a total of 28 photos.
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7 positives
1 neutral
No negatives

Gardeners' Notes:

Positive Rickwebb On Feb 9, 2014, Rickwebb from Downingtown, PA wrote:

This native to eastern North America is a handsome, clean, neat, easy, and reliable perennial that is upright in habit. When plants become old, large clumps, they can fall over some. It is easy to dig, transplant, and divide. Its white multiple spike flowers clusters bloom about 2 to 3 weeks in late June and July here in se PA and July and/or August farther north and are loved by a good number of pollinating insects. My plant in part shade has stayed about 3 feet high and kept a good habit for 12 years. My bigger specimens in full sun in the backyard could use dividing now after 12 years.

Positive patriciaarln On Jul 8, 2012, patriciaarln from Arlington, VA wrote:

I planted Culver's root because I wanted a native plant that would attract native bees. I have two types - both are tall plants with spiky flowers, one white, the other a lovely soft lavender. The bees love them - especially bumblebees. The blooms are ending now, in early July but they lasted a good month. Very nice back of the border plant.

Positive Gabrielle On Feb 28, 2012, Gabrielle from (Zone 5a) wrote:

Does amazingly well in an amazingly difficult area ... by the fence where the neighbor's greedy maple tree shades. Mostly clay, some sand. Blooms June - September in my garden.

Positive SALLYSWIMS22 On Jul 29, 2011, SALLYSWIMS22 from Mendon, MI wrote:

I found this pretty plant growing on my property along the St. Joseph river. It has been left growing wild there and comes back every year amongst the green briar, blue flag, poison ivy and other plants that were here when we moved to this house. I have planted hostas, foam flour, and a few other things on the same river bank and just let them grow. We don't try to keep this bank "cultivated"and just thin things out occasionally. This plant does not seem to be invasive. It pokes its sweet, delicate spikes high and adds a bright freshness to the foliage. I enjoy finding little natural treasures like this. I have read that it is "alien" though.

Positive cedar18 On Jun 7, 2011, cedar18 from Lula, GA (Zone 7b) wrote:

For me, the species is not as robust as 'Lavender Towers,' although it is still a very good performer. It gets 6 ft + tall and is in full bloom in early June. I had a volunteer seedling this year about 12 ft from the mother plant (and across a gravel path). I imagine it happened when I cut down the spent stalks and they flopped around the garden. It's a very nice back-of-the-border plant.

Positive crockny On Jul 22, 2008, crockny from Kerhonkson, NY (Zone 5a) wrote:

Mine is at least 6 feet high if not higher in acid clay soil in zone 5a ... it's huge! Beloved of bees ...

Positive lupinelover On Aug 12, 2002, lupinelover from Grove City, OH (Zone 6a) wrote:

This plant thrives in drought conditions as well as very moist. Rich fertile soil makes the stems weak, making it more suitable to poor ground. Very long bloom season.

Neutral jody On Jan 8, 2001, jody from MD &, VA (Zone 7b) wrote:

Veronicastrum only has 2 species, both perennial herbs closely related to Veronica. Native to USA. It used to be used medicinally but now grown as ornamentals only. It grows to 5' high with slender stems and lance shaped serrated leaves. Flowers are tubular, purpleish blue or white and bloom in summer. Best cultivated in moist soil. Full sun to part shade. Hardy zones 3-9. Propagate from seed or by division.


This plant has been said to grow in the following regions:

Ketchikan, Alaska
Fayetteville, Arkansas
Kiowa, Colorado
Lula, Georgia
Anna, Illinois
Aurora, Illinois
Hanna City, Illinois
Washington, Illinois
Waukegan, Illinois
Anderson, Indiana
Greenville, Indiana
Iowa City, Iowa
West Buxton, Maine
Garden City, Michigan
Mendon, Michigan
Redford, Michigan
West Olive, Michigan
Brewster, Minnesota
Minneapolis, Minnesota
Rochester, Minnesota
Lincoln, Nebraska
Frenchtown, New Jersey
Neptune, New Jersey
Colden, New York
Kerhonkson, New York
Pittsford, New York
Boone, North Carolina
Durham, North Carolina
Columbus, Ohio
Wadsworth, Ohio
Beaverton, Oregon
Downingtown, Pennsylvania
Wilkes Barre, Pennsylvania
Cranston, Rhode Island
Burns, Tennessee
Arlington, Virginia
Charlottesville, Virginia
Leesburg, Virginia
Roanoke, Virginia
Vienna, Virginia
Olympia, Washington
Sammamish, Washington
Westfield, Wisconsin

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