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. |