Veronicastrum virginicum
Culver's Root, Blackroot, Bowman's Root
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 |
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. |