Blue Cohosh, Papooseroot
Caulophyllumthalictroides

Family: Berberidaceae (bear-ber-id-AY-see-ee)
Genus: Caulophyllum (kaw-loh-FIL-um)
Species: thalictroides (thal-ik-TROY-deez)

Category

Perennials

Water Requirements

Average Water Needs; Water regularly; do not overwater

Sun Exposure

Light Shade

Foliage

Herbaceous

Foliage Color

Unknown

Height

18-24 in. (45-60 cm)

Spacing

12-15 in. (30-38 cm)

Hardiness

USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)

Where to Grow

Unknown

Danger

N/A

Bloom Color

Green
Chartreuse (yellow-green)

Bloom Characteristics

Unknown

Bloom Size

Unknown

Bloom Time

Late Spring/Early Summer

Other details

Unknown

Soil pH requirements

5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information

Non-patented

Propagation Methods

By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall

Seed Collecting

Unknown