Caulophyllum thalictroides

Blue Cohosh

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Item #:
Pot Size: 4"x4"x5.5" pot

Plant Description

Blue cohosh is common in rich, moist deciduous forests over much of eastern North America. In mid-spring, dark gray-green pleated buds that look like folded, gnarled, narrow hands, poke up from the soil and in a few weeks completely unfurl into two, 1 to 2’ tall stems of compound blue-green leaves. Clusters of small yellowish flowers quickly follow. These aren’t particularly exciting but the dark blue berries that follow in late summer, are definitely showy. This is a beautiful plant with a lovely, strong architectural presence for the shaded garden with good soil. Over time, it may spread to form colonies which when full of berries is very beautiful. There are many companion plant options including ferns, Virginia bluebells, celandine poppy, brunnera, and cobra lilies. 



Showy Berry Fruit

Native Plant

Plant Type



Ease of Culture

Not too hard to grow

Light Exposure

Half and half, Mostly shady,

Full shade



Flower Color


Bloom Time

Mid-spring, late spring

Soil Condition

Average, Organic

Moisture Tolerance

Moderate, Moist









Hardiness Zones    

3, 4, 5, 6, 7, 8


full quart