| Shape | Large and erect. |
| Landscape | Produces a tall, strong accent plant. |
| Propagation | Propagate through seed or division. May take several years to properly establish itself in a garden. |
| 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. |
| Pests | Generally pest and disease free. |
| Notable Specimens | Royal Botanical Gardens, Burlington, Ontario, Canada. |
| 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. |
