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PlantFiles: Culver's Root
Veronicastrum sibiricum

Family: Plantaginaceae
Genus: Veronicastrum (ver-on-ee-KAS-trum) (Info)
Species: sibiricum (sy-BEER-ah-kum) (Info)

Synonym:Veronica virginica

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2 members have or want this plant for trade.

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4-6 ft. (1.2-1.8 m)

12-15 in. (30-38 cm)
15-18 in. (38-45 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)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:
Sun to Partial Shade

Unknown - Tell us

Bloom Color:

Bloom Time:
Mid Summer
Late Summer/Early Fall


Other details:
Average Water Needs; Water regularly; do not overwater
Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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2 positives
No neutrals
1 negative

Gardeners' Notes:

Negative jgswanso On Jun 28, 2012, jgswanso from Ellsworth, WI (Zone 4a) wrote:

Interesting foliage but flowers are not nearly as attractive as I'd hoped for. Plant stems have been breaking quite a bit which creates a lopsided look.

Positive Malus2006 On Jul 31, 2008, Malus2006 from Coon Rapids, MN (Zone 4a) wrote:

Compare to the North America native culver's root, this species have larger leaves and larger flower spikes that have a soft bluish purple flowers. A common name is Siberian Culver's Root. Seem to be slow to multiply compare to the native culver's root - I have it for at least two years - seem to grow well in full sun to partial shade.

Positive SmilinLdy On Jun 25, 2005, SmilinLdy from Menasha, WI (Zone 4b) wrote:

This has been a perfect plant for me. It grows well over 6' and does not multiply. It requires no special care and has not been bothered by any diseases or insects. It is simply stunning!!


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

Chicago, Illinois
Rockford, Illinois
Waukegan, Illinois
Dearborn Heights, Michigan
Minneapolis, Minnesota
Owatonna, Minnesota
New Milford, New Jersey
Boone, North Carolina
Olympia, Washington
Ellsworth, Wisconsin
Menasha, Wisconsin

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