Sempervivum alatum

A houseleek of the western Alps, Massif Central and eastern Pyrenees, often treated as part of the Sempervivum tectorum group. It is a fully hardy outdoor rock plant that wants full sun, sharp drainage and a cold 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

Sunny rocks, screes, walls and stony grassland in the montane to alpine zones, as for the genus.

Recorded at 360-2,725 m, median 1,423 m (44 records).

FranceItalySwitzerlandAustria

🔒 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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More Sempervivum

Sempervivum tectorum Sempervivum ciliosum Sempervivum calcareum Sempervivum arachnoideum Sempervivum marmoreum Sempervivum pittonii Sempervivum altum Sempervivum macedonicum Sempervivum annae Sempervivum armenum Sempervivum artvinense Sempervivum atlanticum All 65 →

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