Cypripedium alaskanum

Cypripedium ×alaskanum is a natural hybrid between C. guttatum and C. yatabeanum, found where both parents grow in southwestern Alaska, around Kodiak and the Alaska Peninsula. It is a small, cold-climate terrestrial orchid that needs a long, cold winter dormancy and a cool, moist summer. Very rarely grown and difficult; treat it like its parents.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Grassy meadows, open scrub and woodland edges in cool, wet maritime climate, where the parent species overlap. This is inferred from the parents; little is published on the hybrid itself.

The two records are near sea level, at 0 and 88 m.

AlaskaKodiak IslandAlaska Peninsula

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates

✓ Humidity band, and how to hold it

✓ Light as DLI and PPFD for a grow light

✓ Wet and dry seasons, and whether to rest it

✓ Substrate and airflow

✓ A step-by-step setup to grow it like the wild

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.