Actaea (Cimicifuga)

Species and cultivars you need to learn for class:

Actaea racemosa 

Actaea simplex

Common name: A. racemosa = Black Cohosh, A. simplex = Autumn Snakeroot, Bugbane

Other cultivars and species: This genus used to be Cimicifuga. A. matsumurae is also used in gardens. A. simplex (Atropurea group) are the dark foliage cultivars most common in woodland gardens.

Family: Ranunculaceae

Zone: 3/4-8.

Identifying characteristics: Large compound (ternate) leaves similar to Astilbe. White flowers on a bottlebrush-like spike in summer for A. racemosa and fall for A. simplex. A. simplex  usually has dark stems and foliage.

Culture and use notes: Use in woodland garden or border. A. racemosa is used medicinally. Needs consistent moisture and part to full shade.

USDA Plant profile

USDA Plant profile A. racemosa

Missouri Botanical Garden Plant profile A. simplex


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