If you are looking for a large flowering plant to fill in a shady spot, Black Cohosh may be the plant for you! Reaching heights over 6 feet and producing thin, tapering clusters of white flowers, Black Cohosh is sure to make a statement in the garden. The flowers can be pungent when in bloom, attracting different pollinators to come visit.
Pollinator Type
Bees, flies
Plant Type
Herbaceous perennial
Zone
3 to 8
Height
4-7 ft
Spread
2 to 4 ft
Light
Shade, Partial Shade
Moisture Requirement
Medium Soil
Bloom Color
White
Bloom Time
June, July, August
Design Considerations
This plant needs a shady spot and room to grow. It can be used as more of a structural plant like a shrub due to its large size.
Care and Maintenance
Needs space to grow, and does best when sheltered from wind.
Pest and Diseases
No major issues.
Establishment and Propagation
Plant from plug in fall or bareroot plant in spring or fall.
Commercial Availability
Rarely available.
Alternative Plant Selections
Plant from plug in fall or bareroot plant in spring or fall.
Native Status
Illinois native, rare in northern and southern Illinois.
Fall Color
Insignificant
Growth habit
This herbaceous plant can grow to be quite large, but may take several years to reach maturity.
Number of Caterpillars that Use this as a Host Plant
