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Species library › Sempervivum › Sempervivum erythraeum
Succulents Well documented

Sempervivum erythraeum

A Bulgarian mountain houseleek with grey-green, often purple-flushed downy rosettes and reddish-purple flowers. Fully hardy, it is best grown outdoors in full sun with a cold winter, in a gritty, well-drained mix.

Sempervivum erythraeum
Photo: stephen boisvert from Chicago, United States, CC BY 2.0, via Wikimedia Commons
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

Rocky slopes, screes and crevices on siliceous rock in the mountains of southwestern Bulgaria, in open, sunny sites.

Few records carry elevations; the measured site lies at 1350 m and the species is known from roughly montane to subalpine levels.

Bulgaria

🔒 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 2.0 licence, unmodified.