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Black Cohosh
Actaea racemosa
Black Cohosh features deep green, divided leaves that form a dense, bushy clump. By late summer, it shoots up dramatic spikes of tiny, white flowers that reach high above the foliage, creating an eye-catching display in shaded areas. The plant is not only a visual standout but also valued for its historical use in herbal medicine.
Details
Height48” - 72”
Spread24"
Bloom SeasonJune – September
Soil Types
Clay
Loam
Sand
Soil Moisture
Medium
Moist
Sun Exposure
Full Shade
Part Sun
Range Map
Available
Not available
Ecological Benefits
Maintenance Tips
- Prefers consistently moist soil; water regularly to maintain even soil moisture, especially in dry periods
Deadhead spent flowers to keep the plant looking tidy and encourage additional blooming
Thrives in rich, well-draining soil; amend with compost to enhance fertility
Divide clumps in early spring every 3-4 years to rejuvenate growth and manage spread
Taller flower spikes may benefit from staking if they become floppy



