Black Cohosh (Actaea Racemosa) is a perennial herb in the Ranunculaceae family with moderate care difficulty. It requires high watering and partial shade or full shade light in USDA hardiness zones 3-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

A tall, perennial herb native to eastern North America, valued for its striking spires of white flowers and medicinal roots.

Black Cohosh

Black Cohosh

Actaea Racemosa

A tall, perennial herb native to eastern North America, valued for its striking spires of white flowers and medicinal roots.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
High
Light
Partial Shade, Full Shade
Hardiness Zones
3-8

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:loamy, silty, peaty
Indoor:No
Outdoor:Yes
Garden Use:specimen, background, vertical accent

Care Calendar

Monthly care tasks for Black Cohosh

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Black Cohosh
Black Cohosh detail

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Taxonomy

Family:Ranunculaceae
Genus:Actaea