Perennials, Weeds > Caulophyllum > Caulophyllum thalictroides > Caulophyllum thalictroides
Caulophyllum thalictroides
Blue Cohosh
Origin: Eastern North America.
| Family |
| Berberidaceae |
| Genus |
| Caulophyllum |
| Species |
| thalictroides |
| Category |
| Perennials, Weeds |
| USDA Hardiness Zone |
| 3 - 8 |
| Canadian Hardiness Zone |
| 1a - 7a |
| RHS Hardiness Zone |
| H5 - H7 |
| Temperature (°C) |
| -40 - (-9) |
| Temperature (°F) |
| -40 - 15 |
| Height |
| 60 cm |
| Spread |
| 30 cm |
Photographs
Cultivars
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Description and Growing Information
Flowering Period
| Landscape |
| Wild or woodland garden. |
| Cultivation |
| Does best in deep shade, in damp, light, humus-rich soil. |
| Growth |
| Fast |
| Leaf Description |
| Leaves are 3-lobed to base, with 3-lobed, pointed leaflets. |
| Flower Description |
| Flowers are yellow, 12 mm across, and appear before leaf is fully developed. |
| Fruit Description |
| Seeds grow to 1.2 cm in diameter, with a rich blue coat. |
| Notable Specimens |
| Joany’s Woods, West Williams, Middlesex County, Ontario, Canada. |
| Propagation |
| Propagate through division in spring or after flowering, or by seed, sown when ripe, in a cold frame. |
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