A tall plant with whorled leaves, Culver's root will bloom for about month during the summer, providing large spikes of densely packed small white flowers.
Pollinator Type
Bees, flies, butterflies, moths, wasps
Plant Type
Herbaceous perennial
Zone
3 to 8
Height
5 ft.
Spread
2 to 4 ft.
Light
Partial Shade, Full Sun
Moisture Requirement
Medium Soil, Wet Soil
Bloom Color
White
Bloom Time
June, July, August
Design Considerations
Taller herbaceous plant that can provide height accent in a border or naturalized garden.
Care and Maintenance
Spreads through rhizomes so may need to be divided. Can be slow to establish. Cut back after flowering to try to encourage additional blooms in the fall.
Pest and Diseases
No major issues.
Establishment and Propagation
Can start from untreated seeds, but they need light to germinate so do not cover with soil. Commonly started from plugs.
Commercial Availability
Commonly available.
Alternative Plant Selections
Rattlesnake Master
Native Status
Illinois native statewide.
Fall Color
Insignificant
Growth habit
Tall, singular stems topped by several splikes of tiny white flowers.
Number of Caterpillars that Use this as a Host Plant