Phantom Orchid

Cephalanthera austiniae

Native to:
Canada, United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Orchidaceae
Genus:
Cephalanthera
Species:
Cephalanthera austiniae
USDA Symbol:
CEAU

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
55 cm
Light Requirements:
Shade
Drought Tolerance:
Low
Bloom Months:
may,jun,jul,aug
Bloom Colors:
white, yellow

Garden & Ecology Notes

Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained forest soil
pH:
5.0 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers shaded, undisturbed forest floors

Propagation & Germination

Notes:
Mycoheterotrophic orchid requiring specific fungal associations; cannot be cultivated from seed without symbiotic fungi. Propagation is effectively impossible outside natural habitat.

The above propagation data sourced from Claude AI

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

Source: Claude AI