Black Cohosh is an upright rhizomatous perennial native to eastern North America. It is found in a variety of woodland settings from Maine south to Georgia and west to Missouri and Arkansas. It prefers rich moisture-retentive soils in partial to full shade and can be slow to get established. Ideally, it wants 2-3 hrs of morning sun. if light is too limited, it may fail to flower. Plant in an area protected from strong winds as it can grow to heights of 6 or more feet.
This plant adds a vertical accent to the back of the border of a shady cottage garden or woodland setting. The leaves are attractive and the showy flowers are followed by interesting seedheads. although the flowers have an unpleasant, somewhat medicinal odor, the seedheads are often utilized in flower arrangements. It is attractive to wildlife.
