Actaea, Autumn Snakeroot, Black Cohosh, Bugbane, Branched Bugbane, Black Snakeroot, 'Brunette'

Actaeasimplex

Family
Ranunculaceae (ra-nun-kew-LAY-see-ee)
Genus
Actaea (ak-TEE-uh)
Species
simplex (SIM-plecks)
Synonym
Cimicifuga simplex
Sun Exposure
Partial to Full Shade
Foliage
Grown for foliage
Herbaceous
Height
36-48 in. (90-120 cm)
Spacing
24-36 in. (60-90 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
White/Near White
Bloom Time
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Dark/Black
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Hingham, Massachusetts

Marlborough, Massachusetts

Alpena, Michigan

Minneapolis, Minnesota

Jamesburg, New Jersey

Chesterland, Ohio

Williamsburg, Ohio

West Chester, Pennsylvania

Wilkes Barre, Pennsylvania

Ames Lake, Washington

Redmond, Washington

Sammamish, Washington

Union Hill-Novelty Hill, Washington

Mequon, Wisconsin

Milwaukee, Wisconsin

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Gardener's Notes:

2
positives
1
neutral
1
negative
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W
W
Sammamish, WA | September 2014 | positive

Planted in a spot next to the deck that gets full shade until about noon, and then gets pretty good afternoon sun (well... this IS Wester...Read More

F
F
Mequon, WI | July 2014 | neutral

I've had this plant in my shade garden for about 3-4 years now. I planted it between 3 different types of hostas to showcase it's black ...Read More

M
M
Hingham, MA | May 2009 | positive

Planted it last year in full shade hoping that it would be the focal point in a 'new' garden: 4 Patriot Hostas(2 on either side with one ...Read More

D
West Valley City, UT (Zone 6b) | June 2007 | negative

Planted in full shade, but didn't do so well. Foliage dried out at the edges, and the next year gastropods ate the new shoots, killing it...Read More

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