Black cohosh
Pollinator Value
- 🐛 Larval Host
- Appalachian Azure
- ❄️ Winter Food Source
- Yes — Dried seed heads provide tiny seeds for birds.
Growing Conditions
- Sun
- Shade ☁️
- Moisture
- Regular 💧💧
- Bloom
- July
- Sociability
- S2 — Small groups
Ecology & Conservation
Proximity
- Proximity Score
ℹ
Our internally developed scale tracking proximity of historical species occurrence to our Eco-Region (8.1.8). 0 = hyper-local, 5 = off-continent.
- 2
- Native Status
- Outaouais: — · QC: — · ON: ✅
Native Occurrence
- Closest Native Direction
- Southwest
- Eco-zone
ℹ
The closest historically occurring Eco-zone, mapped to the CEC values.
- Mixedwood Plains
- Eco-province
- Great Lakes-St. Lawrence
- Eco-region
- Erie Drift Plain
Rarity & Status
- Rarity Notes
- Critically Imperiled (ON): Extremely rare in wild.
- Rank QC
ℹ
In Quebec, the CDPNQ (Centre de données sur le patrimoine naturel du Québec) is the body that assigns these ranks using the NatureServe methodology.
Click here for more info → - SNA — Not Applicable
- Rank ON
ℹ
The S-rank (Subnational Rank) is a standardized tool used across Canada to measure the extinction risk of a species within a specific province or territory.
Click here for more info → - S1 — Critically Imperiled — Extremely rare
- Ecological Context
- Native to Southern Ontario deciduous forests.
Edibility & Foraging
- Edible
- ❌ Not Edible
Medicinal Properties
- Category
- Reproductive
- Notes
- Standard for menopause and menstrual regulation.
⚠️ Moderate Toxicity
Overdose causes dizziness and nausea. Avoid during pregnancy.
Provenance
- Seed Provenance
- Laurentians QC; Sudbury ON
- Seed Source
-
Multiple seed sources:
- Akène
- Northern Wildflowers