Bugbane, Snakeroot, Cohash (Cimicifuga racemosa)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers


Bugbane, Snakeroot, Cohash
Cimicifuga racemosa

Cimcifuga Black Cohash
Cimcifuga Black Cohash
Tall stately plant with deeply cut foliage and large plumes of white flowers. Good for late season flowering.  
Needs a moist soil in a part to full shade site 

'Atropurpurea' 6-7 feet tall dark green foliage with purple stems and white flowers

'Brunette' 3-4 feet tall dark purple foliage with white flowers

'Hillside Black Beauty' 4-7 feet tall purple black foliage white flowers

Mature Height
3-8 Feet
USDA Hardiness Zone
3 - 8 
Bloom Color
Bloom Season
August - September
Soil Conditions
Moist, Well-Drained
Exposure/Light Requirements
Partial Sun/Shade
Foliage Color
Pests and Problems

Environmental Damage

Additional pests and problems that may affect this plant:

None serious
Additional Notes
Best grown in soils that are uniformly moist and shaded for best foliage quality. Long lived, slow growing perennial. Fragrant flowers. Reportedly deer and rabbit resistant. Attracts butterflies.


Related Resources
Home, Yard & Garden Pest Guide
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
U of IL - Distance Diagnosis through Digital Imaging
U of IL - Plant Clinic