Plant Profile: Cohosh b'gosh

April 10, 2020

Black Cohosh, Actaea (Cimicifuga) racemosa, and Blue Cohosh, Caulophyllum thalictroides are two woodland wildflowers often confused due to similarity of their common names.  Blue Cohosh grows 1 to 2 feet tall with yellow-green blooms in April that develop into dark blue berries. Black Cohosh, by contrast, grows a stately 4 to 7 feet tall, with showy, fragrant white flower spikes on display late summer into fall.  Both species possess compound leaves, which enhance their presence in the garden. These two part- to full shade plants with divergent characteristics have similar common names  but are both very unique.




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