Cypripedium yatabeanum

A hardy lady's-slipper of the North Pacific rim, from Alaska and the Aleutians to Kamchatka and Japan, with small yellow-green flowers. It grows in wet meadows and moist tundra and needs a genuinely cold, frozen winter dormancy.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

It grows in mesic tundra, on marsh borders and on beach dunes in the north, and in moist montane meadows in central Japan, usually among grasses and low shrubs.

Near sea level in the Aleutians and Alaska; record sites in central Honshu reach about 900–1,500 m.

AlaskaAleutian IslandsKamchatkaKuril IslandsJapan

🔒 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. Photo from Wikimedia Commons, used under its CC BY 2.0 licence, unmodified.