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Caulophyllum thalictroides

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Names

Common Names
Blue cohosh, Papoose Root

Growth

Height
12-36 inches
Spread
6 to 36 inches
Growth Rate
Slow to moderate

Appearance

Bloom Color
Yellowish green
Foliage Color
Blue-green
Fall Foliage Color
green

Environment

Hardiness Zones
Zones 3a-8b
Sunlight Requirements
Ideal sunlight: partial shade to full shade, with preference for dappled light and less than 2 hours of direct sunlight daily.
Soil Type
Moist, loamy soil with high organic matter and neutral to slightly acidic pH
Soil Drainage
Moist, well-drained soil
Soil pH
Neutral to slightly acidic

Lifecycle

Lifecycle
Perennial
Leaf Lifecycle
Deciduous
Seasons of Interest
Spring, Summer, and Fall
Bloom Time
Spring to Early Summer

Reproduction

Propagation Methods
Seeds (with GA3 treatment and moist storage in vermiculite), requiring warm/cold cycles (2–3 years)

Wildlife

Attracts Wildlife
Attracts bees, butterflies, hummingbirds, other pollinators, and birds

References

Taxonomy

Taxonomic Rank
Species
Author
(L.) Michx.
Publication
Fl. Bor.-Amer. 1: 205 (1803)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Ranunculales
Family
Berberidaceae
Genus
Caulophyllum

Synonyms

Leontice thalictrifolium Leontice thalictroides Caulophyllum thalictroides var. thalictroides

References

Taxonomic data from World Flora Online, accessed June 20, 2024

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