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PlantSnap
Plant Care
Blue cohosh
(Caulophyllum thalictroides)
Also Known As
Blue cohosh, Papoose plant, Turkey corn
About This Plant
Caulophyllum thalictroides is a herbaceous perennial plant species native to eastern North America. It is commonly known as blue cohosh due to its blue-colored fruit. The plant has fern-like leaves and produces small, yellow-green flowers in the spring.
Plant Care Instructions
Outdoor Size Range
24-36 inches (60-90 cm)
Light Requirements
Blue cohosh prefers partial to full shade, but can tolerate some direct sunlight in cooler climates.
Humidity Needs
Blue cohosh prefers moderate to high humidity levels, but can tolerate average indoor humidity levels.
Fertilizing Schedule
Fertilize once a month during the growing season with a balanced fertilizer.
Pruning Guidelines
Prune dead or damaged leaves as needed. Cut back the plant to the ground in the fall after the leaves have turned yellow.
Common Pests and Diseases
Blue cohosh is relatively pest and disease-free, but can be susceptible to root rot if overwatered.
Indoor Size Range
12-18 inches (30-45 cm)
Watering Schedule
Keep the soil evenly moist, but not waterlogged. Water more frequently during hot and dry periods.
Temperature Range
Blue cohosh prefers cool to moderate temperatures between 60-75°F (15-24°C).
Growing Season
Blue cohosh grows in the spring and summer months.
Growing Difficulty Level
Blue cohosh is moderately difficult to grow and requires specific growing conditions to thrive.
USDA Hardiness Zones
Blue cohosh is hardy in USDA zones 3-8.
Did You Know?
Blue cohosh has been used in traditional medicine by Native American tribes to treat a variety of ailments, including menstrual cramps and childbirth pain.
