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Perennials > Veronicastrum > Veronicastrum virginicum > Veronicastrum virginicum

Veronicastrum virginicum


Culver's Root, Blackroot, Bowman's Root




Origin:  North-Eastern America (Missouri).
Family
Scrophulariaceae (Plataginaceae)
Genus
Veronicastrum
Species
virginicum
Category
Perennials
USDA Hardiness Zone
3
Canadian Hardiness Zone
1
RHS Hardiness Zone
H7
Temperature (°C)
-40 - (-35)
Temperature (°F)
-40 - (-30)
Height
60 - 180 cm
Photographs
Description and Growing Information
Flowering Period
MayJuneJulyAugust
Landscape
Produces a tall, strong accent plant.
Cultivation
Grow in full sun in medium to wet, well-drained soil. While tolerant of partial shade, stakes may be needed if grown in too much shade.
Shape
Large and erect.
Growth
Medium
Pests
Generally pest and disease free.
Habitat
Found in open woods, thickets, moist meadows and prairies.
Leaf Description
Leaves are green, paler beneath, whorled and serrate.
Flower Description
Flowers appear in dense, slender spike to 30 cm, and are white to pale blue.
Fruit Description
Fruit is an ovoid capsule.
Notable Specimens
Royal Botanical Gardens, Burlington, Ontario, Canada.
Propagation
Propagate through seed or division. May take several years to properly establish itself in a garden.
Ethnobotanical Uses (Disclaimer)
Root can be used medically cathartic.
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