Caulophyllum thalictroides

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Caulophyllum Thalictroides 2 Caulophyllum Thalictroides 1 Caulophyllum Thalictroides Caulophyllum Thalictroides 3

Caulophyllum thalictroides

Common Name: Blue Cohosh

Caulophyllum thalictroides, commonly known as Blue Cohosh, is a perennial herb that grows 1 to 4 feet tall. It features compound leaves and produces yellowish-green flowers in early spring, followed by green berries that turn to dark blue. This species is typically found in rich, moist woodlands and forest edges, preferring shaded areas. Blue Cohosh is valued for its early spring flowers and attractive foliage, making it suitable for shaded garden borders and woodland settings.

Characteristics

Type Woody
Sun Shade
Soil Clay, Loam, Calcareous
Moisture Mesic, Wet
Average Max Height (inches) 32
Suggested Plant Spacing (inches) 24
Bloom month(s) April, May
Bloom Color or Type Green
Dominance Low

Range Maps

Planting Information

Dig a hole in your planting site slightly larger than the plant’s root system. When placing the plant into the hole, ensure that the soil line remains consistent with its original level in the pot. Fill in around the roots with the excavated soil, gently firming it to eliminate air pockets. Water the plant thoroughly the same day to promote successful establishment.