Giant Blue Cohosh
Caulophyllum giganteum
Family: Berberidaceae
Giant Blue Cohosh grows in partial shade and prefers moist woodland soil. Water needs: Moderate.
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How to Grow Giant Blue Cohosh
Giant Blue Cohosh growing information includes sunlight requirements of Partial shade, soil conditions listed as Moist woodland soil with a soil pH of 5.0-7.0, and Moderate water needs. The listed hardiness zones are 3-7. For propagation reference, the database lists germination or establishment information for Giant Blue Cohosh as 60-120 days, with planting or establishment depth listed as 1/2 inch. Days to maturity are listed as 180-365 days.
Plant Overview
Giant Blue Cohosh (Caulophyllum giganteum) is listed in the Berberidaceae family and categorized as a herb with a perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Difficult.
- Plant ID
- PLT-3556
- Family
- Berberidaceae
- Plant type
- Herb
- Life cycle
- Perennial
- Difficulty
- Difficult
Growing Conditions
Giant Blue Cohosh is listed for partial shade conditions. Water needs are listed as moderate. The database soil reference is Moist woodland soil. The listed soil pH range is 5.0-7.0, and the listed hardiness range is 3-7.
- Hardiness zones
- 3-7
- Sunlight
- Partial shade
- Soil
- Moist woodland soil
- Soil pH
- 5.0-7.0
- Water needs
- Moderate
Seed & Germination
For seed starting, the listed germination time is 60-120 days and the seed depth is 1/2 inch. The listed time to maturity is 180-365 days. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 60-120 days
- Seed depth
- 1/2 inch
Harvest & Propagation
- Days to maturity
- 180-365 days
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.