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Blue Cohosh

Caulophyllum Thalictroides

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Overview

Blue Cohosh, Caulophyllum thalictroides, is a shade-loving perennial native to woodland areas. It features delicate, lacy blue-green foliage reaching up to 3 feet tall, with small, nodding, yellow-green to brown flowers in early spring. The plant boasts blueberry-like seeds in late summer, adding interest. It requires rich, moist soil and prefers a spot with dappled sunlight to full shade. Hardiness zones 3-8.

Sun Half, ShadeWater MediumZones 3–8Type PerennialClimate Temperate
Blue Cohosh (Caulophyllum Thalictroides) — Blue Cohosh, Caulophyllum thalictroides, is a shade-loving perennial native to woodland areas

Culture

Sun
Half, Shade
Water
Medium
USDA zones
3–8

Shape & size

Mature height
1–2 Ft.
Mature width
0.5–1 Ft.

Classification

Type
Perennial
Family
Berberidaceae
Climate
Temperate

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Photos (100)

Blue Cohosh (Caulophyllum Thalictroides) — lacy blue-green foliage reaching up to 3 feet tall; emerging with a purplish tint in spring and maturing, image 71
Blue Cohosh (Caulophyllum Thalictroides) — Blue Cohosh is perfectly suited for understory compositions in hardiness zones 3 through 8; attracting pollinators
Blue Cohosh (Caulophyllum Thalictroides) — deep blue berries in late summer that stand out against the autumn-hued leaves.<br><br>For optimal growth; blue
Blue Cohosh (Caulophyllum Thalictroides) — It requires moderate moisture, with about 1 inch of water weekly, more so if rainfall is insufficient, image 66
Blue Cohosh (Caulophyllum Thalictroides) — receiving protection from the harsh afternoon sun - an ideal choice for wooded areas or north-facing, image 65
Blue Cohosh (Caulophyllum Thalictroides) — is a perennial woodland plant native to eastern North America; perennial for half or shade, image 53
Blue Cohosh (Caulophyllum Thalictroides) — The plant boasts blueberry-like seeds in late summer, adding interest; lacy blue-green foliage reaching, image 73
Blue Cohosh (Caulophyllum Thalictroides) — emerging with a purplish tint in spring and maturing to blue-green as the season progresses; it requires, image 80
Blue Cohosh (Caulophyllum Thalictroides) — Although the blooms are somewhat inconspicuous
Blue Cohosh (Caulophyllum Thalictroides) — deep blue berries in late summer that stand out against the autumn-hued leaves.<br><br>For optimal growth
Blue Cohosh (Caulophyllum Thalictroides) — It requires moderate moisture, with about 1 inch of water weekly, more so if rainfall is insufficient; perennial
Blue Cohosh (Caulophyllum Thalictroides) — Blue Cohosh is perfectly suited for understory compositions in hardiness zones 3 through 8; attracting, image 78
Blue Cohosh (Caulophyllum Thalictroides) — scientifically named Caulophyllum thalictroides
Blue Cohosh (Caulophyllum Thalictroides) — The plant boasts blueberry-like seeds in late summer, adding interest; lacy blue-green foliage reaching, image 50
Blue Cohosh (Caulophyllum Thalictroides) — Although the blooms are somewhat inconspicuous; the leaves are biternate and compound
Blue Cohosh (Caulophyllum Thalictroides) — perennial for half or shade; it requires moderate moisture, with about 1 inch of water weekly, more so, image 69
Blue Cohosh (Caulophyllum Thalictroides) — Blue Cohosh should be planted in partial to full shade; embraced by landscape enthusiasts for its blue-green foliage
Blue Cohosh (Caulophyllum Thalictroides) — emerging with a purplish tint in spring and maturing to blue-green as the season progresses; it requires, image 57
Blue Cohosh (Caulophyllum Thalictroides) — The plant boasts blueberry-like seeds in late summer, adding interest
Blue Cohosh (Caulophyllum Thalictroides) — Blue Cohosh should be planted in partial to full shade
Blue Cohosh (Caulophyllum Thalictroides) — yellow-green flowers appear above the foliage canopy; receiving protection from the harsh afternoon sun - an ideal
Blue Cohosh (Caulophyllum Thalictroides) — perennial with green and yellow blooms; yellow-green flowers appear above the foliage canopy
Blue Cohosh (Caulophyllum Thalictroides) — Blue Cohosh should be planted in partial to full shade; embraced by landscape enthusiasts for its, image 64
Blue Cohosh (Caulophyllum Thalictroides) — The plant boasts blueberry-like seeds in late summer, adding interest; lacy blue-green foliage reaching up to 3 feet
Photographs by 8 contributors

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