Phemeranthus sediformis

Phemeranthus sediformis, the Okanogan fameflower, is a tiny cushion-forming succulent with narrow fleshy leaves and pale pink to white flowers, confined to dry rocky ridges of the Okanagan and Thompson regions of British Columbia and north-central Washington. It needs full sun, very sharp drainage and a cold, dry winter.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Shallow gravelly soil and rock crevices on exposed ridges and outcrops in sagebrush steppe and open ponderosa pine woodland.

Recorded from about 520 to 1520 m, median around 1070 m.

British ColumbiaWashington

🔒 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 CC0 licence, unmodified.