Great Plains White Fringed Orchid ⚠️ Threatened

Platanthera praeclara

Great Plains White Fringed Orchid

National Park Service, credited on this page: http://www.fws.gov/midwest/Endangered/plants/index.html#westorchid

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Orchidaceae
Genus:
Platanthera
Species:
Platanthera praeclara

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Epiphyte
Height:
2-3 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
jun, jul
Bloom Colors:
White

Native Range

United States: Iowa, Kansas, Minnesota, Missouri, North Dakota, Nebraska, Oklahoma, South Dakota, Wyoming, Canada: Manitoba

Soil Requirements

Soil Type:
moist, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers open, sunny prairies and meadows

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