Idaho Goldthread

Coptis occidentalis

Idaho Goldthread

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Ranunculaceae
Genus:
Coptis
Species:
Coptis occidentalis

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
1-2 ft
Light Requirements:
Part Shade
Drought Tolerance:
High
Bloom Months:
mar, apr, may
Bloom Colors:
White, Green

Native Range

United States: Idaho, Montana, Oregon, Washington

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.0 - 6.5 (acidic to slightly acidic)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers cool, shaded environments

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Source: OpenAI GPT-4o