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PlantFiles: Autumn Snakeroot, Black Cohosh, Bugbane
Actaea simplex

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Family: Ranunculaceae (ra-nun-kew-LAY-see-ee) (Info)
Genus: Actaea (ak-TEE-uh) (Info)
Species: simplex (SIM-plecks) (Info)

Synonym:Cimicifuga simplex

11 members have or want this plant for trade.

Category:
Perennials

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)

Sun Exposure:
Partial to Full Shade

Danger:
Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Summer/Early Fall
Mid Fall

Foliage:
Herbaceous

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

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Profile:

2 positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Phyllostachys On Sep 13, 2014, Phyllostachys from New Market, MD wrote:

Others may have had different experiences but in Maryland for me this plant was slow to establish and needed regular applications of compost and regular careful watering as well as careful sighting to avoid sunburn. With all that said, fragrance is wonderful and the long spikes of white flowers elegant. Bumblebees enjoy it. It blooms for me in mid-September. Being a woodland plant, last winter's extraordinary cold appeared to have no effect on the dormant plant at all.

Positive flowercrazy39 On Aug 24, 2005, flowercrazy39 from Manchester, NH wrote:

This plant has to stay in full shade otherwise the leaves get singed by the sun. It's a beautiful plant and blooms in October/November when almost everything is dying down.

Neutral singleyellowros On Mar 25, 2002, singleyellowros from Kittanning, PA wrote:

Last one to flower. October frosts will nip the display in the bud. The wands of white flowers arch gracefully.

Regional...

This plant has been said to grow in the following regions:

Chicago, Illinois
Goshen, Kentucky
New Market, Maryland
Nantucket, Massachusetts
Westfield, Massachusetts
Howell, Michigan
Manchester, New Hampshire
Fremont, Ohio
Wilkes Barre, Pennsylvania



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