Fairy Slipper

Calypso bulbosa

Native to:
Aleutian Is., Baltic States, Canada, China, Finland, Japan, Korea, Prince Edward I., Russia, Sweden, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Orchidaceae
Genus:
Calypso
Species:
Calypso bulbosa
USDA Symbol:
CABU

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
20 cm
Light Requirements:
Part Shade,Shade
Drought Tolerance:
Low
Bloom Months:
apr,may,jun,jul
Bloom Colors:
pink, purple, white

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)

Garden & Ecology Notes

Wildlife Value:
bumblebees
Deer Resistant:
Yes
Fragrant:
Yes

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 undisturbed forest floors with organic matter

Propagation & Germination

Notes:
Orchid seeds require mycorrhizal fungi for germination; extremely difficult to propagate from seed without laboratory conditions.

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 90 days.

Notes: Seeds require cold stratification followed by warm temperatures for germination.

Source: Claude AI