Black Cohosh Characteristics
Black Cohosh are wildflowers that are native to the American midwest. The clump-forming foliage is deep green with lobed and serrated leaves. The flower stems grow much taller than the foliage. Small, fragrant white flowers grow along the upright stems. the fragrance is naturally repellent to insects.
There are few serious insect or disease issues that plague Black Cohosh. Rust and leaf spot can occur. The flowers stems may reach for bright light when grown in shady areas.