Clustered Lady's Slipper

Cypripedium fasciculatum

Native to:
United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Orchidaceae
Genus:
Cypripedium
Species:
Cypripedium fasciculatum
USDA Symbol:
CYFA

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Epiphyte
Height:
35 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
apr,may,jun,jul
Bloom Colors:
yellow, purple, brown

Garden & Ecology Notes

Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
prefers shaded forest understories

Propagation & Germination

Stratification:
Cold/moist stratification required — 90–180 days
Notes:
Requires mycorrhizal symbiosis for germination; extremely difficult to germinate from seed without fungal partner.

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