Blue Cohosh
Image: Willow June (cc-by-nc)
NameBlue Cohosh
Scientific NameCaulophyllum thalictroides
Common NamesBlue Cohosh, Squaw Root, Papoose Root, Blue Ginseng
Plant FamilyBerberidaceae
Natural HabitatRich, moist deciduous woodlands, forests, and shaded slopes, often found in calcareous soils.
Parts Usedroot,seed
Medicinal Actionsanti-inflammatory,diuretic
Traditional UsesTraditionally used by Native Americans and later by Eclectic physicians primarily as a uterine tonic and emmenagogue to induce labor, ease childbirth, regulate menstruation, and treat various gynecological issues such as painful periods and uterine spasms. It was also used for rheumatic conditions.
Active Constituentssaponins, alkaloids, phytosterols, resins
Preparation Methodstincture,decoction,powder
Contraindications & WarningsAbsolutely contraindicated during early pregnancy due to its abortifacient properties; use in late pregnancy only under expert supervision. Contraindicated in individuals with heart disease, high blood pressure, or estrogen-sensitive cancers. Can cause nausea, vomiting, and diarrhea in high doses.
Cultivation NotesPrefers rich, moist, well-drained soil in full to partial shade. Propagated by seed or division of rhizomes. It is slow-growing and can take several years to establish and flower.
Rarityuncommon
Description
A perennial woodland herb native to eastern North America, growing up to 3 feet tall. It features large, divided leaves and small yellowish-green flowers, followed by distinctive dark blue, berry-like seeds that persist into winter. The image shows these characteristic blue seeds on bare stems in the snow.
