Cypripedium macranthos

Cypripedium macranthos

Native to:
Belarus | China | Japan | Korea | Kuril Is. | Russia | Ukraine

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Orchidaceae
Genus:
Cypripedium
Species:
Cypripedium macranthos

Growth Characteristics

Growth Habit:
Geophyte
Height:
40 cm
Drought Tolerance:
Low
Bloom Months:
may,jun,jul
Bloom Colors:
pink, purple, magenta

Garden & Ecology Notes

Wildlife Value:
bees
Deer Resistant:
Yes

Propagation & Germination

Stratification:
Cold/moist stratification required — 90–120 days
Germination Time:
180–730 days
Notes:
Requires mycorrhizal fungal association for successful germination and establishment. Seeds are dust-like and lack endosperm, making propagation extremely challenging.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months Requires light or the seed is very fine. Surface sow and expose to light. * very difficult; grow in moist compost to which has been added soil from parent plant to provide symbiotic fungi or sow outside in spring in acid duff

Source: Ontario Rock Garden & Hardy Plant Society