Cypripedium calceolus

Cypripedium calceolus

Native to:
Algeria | Austria | Baltic States | Belarus | Belgium | Bulgaria | China | Czechia-Slovakia | Denmark | Finland | France | Germany | Greece | Hungary | Italy | Japan | Korea | Krym | Norway | NW. Balkan Pen. | Poland | Romania | Russia | Spain | Sweden | Switzerland | Ukraine

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Taxonomy

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

Growth Characteristics

Growth Habit:
Geophyte
Height:
60 cm
Drought Tolerance:
Medium
Bloom Months:
may,jun,jul
Bloom Colors:
yellow, maroon

Garden & Ecology Notes

Wildlife Value:
bees, specialist pollinators
Deer Resistant:
Yes

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
180–730 days
Notes:
Requires mycorrhizal fungi association for germination and early growth. Seeds extremely fine, protocorms develop underground for 1-2 years before emergence.

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