Ram's Head Lady's Slipper
Cypripedium arietinum
James Ellison from Canada
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Orchidaceae
- Genus:
- Cypripedium
- Species:
- Cypripedium arietinum
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Epiphyte
- Height:
- 1-2 ft
- Light Requirements:
- Part Shade, Shade
- Drought Tolerance:
- High
- Bloom Months:
- may, jun
- Bloom Colors:
- White, Red, Green, Purple, Brown
Native Range
United States: Connecticut, Massachusetts, Maine, Michigan, Minnesota, New Hampshire, New York, Vermont, Wisconsin, Canada: Manitoba, Nova Scotia, Ontario, Quebec, Saskatchewan
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 shaded forest floors with organic matter
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