Threeleaf Goldthread

Coptis trifolia

Taxonomy

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

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
6 in - 1 ft
Light Requirements:
Shade
Drought Tolerance:
High
Bloom Months:
apr, may, jun, jul
Bloom Colors:
White
Ground Cover:
Yes

Native Range

United States: Alaska, Connecticut, Indiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, North Carolina, New Hampshire, New Jersey, New York, Ohio, Oregon, Pennsylvania, Rhode Island, Virginia, Vermont, Wisconsin, West Virginia, Canada: Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Nunavut, Ontario, Prince Edward Island, Quebec, Saskatchewan

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers cool, shaded forest floors

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