Cypripedium flavum

A yellow-flowered lady's slipper orchid of the high mountains of western China, listed as Vulnerable. It needs a cool summer, a hard frozen winter dormancy and a moist but airy, often lime-influenced soil; it is a garden or cold-frame plant, not a windowsill one.

At home, aim for

Day Cool-growingTargets in Plantistry

Night A clear drop at nightTargets 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

Inferred from the genus and the recorded elevations: open mixed or coniferous forest edges, scrub and alpine meadows at about 2,900–3,600 m, rooted in moist humus over rocky, often calcareous ground.

Recorded elevations 2,920–3,625 m, median about 3,500 m.

SichuanYunnanTibetGansuHubei

🔒 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 Public domain licence, unmodified.