Sedum alpestre

A tiny mat-forming stonecrop of high European mountains, growing in acidic scree, rock crevices and late snow beds mostly between 1,800 and 3,000 m. It wants cold winters, cool summers, full sun and sharp drainage, and usually sulks or rots in warm, humid lowland conditions.

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

Open alpine and subalpine ground: silicate scree, gravelly snow-bed hollows, rock ledges and thin turf among boulders, where snow lies for much of the year.

Recorded from about 370 to 3,240 m, median about 2,360 m; the few low records are likely outliers or valley washdowns.

AlpsPyreneesCarpathiansCorsica and SardiniaBalkan mountainsSierra Nevada and Cantabrian mountainsMassif CentralVosgesAnatolia

🔒 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.