Sempervivum ossetiense

A houseleek from the mountains of the central Caucasus, recorded at about 1,900 m in North Ossetia. Like other Caucasian Sempervivum it wants full sun, a sharply drained gritty mix and a genuinely cold winter, and is best grown outdoors in a trough or rock garden.

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

Inferred from the genus: rosettes on rock outcrops, scree and stony grassland in the montane and subalpine belt, fully exposed to sun and wind.

The one georeferenced record is at about 1,870 m; Caucasian houseleeks generally range through the montane and subalpine zones.

North CaucasusTranscaucasus

🔒 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-SA 3.0 licence, unmodified.