Eupatorium perfoliatum, Common Boneset

Hardiness: Zones 3 to 8

Height: 4- 6'

Spread: 3- 4'

Bloom Time: July to September

Bloom Color: White

Sun: Full sun

Water: Medium to wet

Soil: Wet, organically rich soil.

Notes: Many kinds of insects drink nectar from the flowers, foliage is bitter and is not commonly eaten by mammals.

More information on this plant here.