Blue Cohosh (Caulophyllum Thalictroides) is a perennial herb in the Berberidaceae family with moderate care difficulty. It requires moderate watering and full shade or partial shade light in USDA hardiness zones 3-8. This plant is toxic to cats and dogs — keep it out of reach of pets.

Caulophyllum thalictroides is a perennial herbaceous plant native to North American woodlands, known for its blue berry-like fruits and bluish-green foliage.