Petrosedum sediforme

A blue-green Mediterranean stonecrop from sunny rocks, dunes and coastal cliffs, often on limestone. It is hardy, grows actively in the cool wet season and puts up with summer drought. Grow it outdoors or in a cold frame in full sun rather than as a warm indoor plant.

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

Grows in open, sunny rocky ground, coastal dunes, cliffs, walls and dry grassland, commonly but not only on limestone.

Mostly lowland, recorded from 3 to about 1,900 m, median about 280 m. Mountain populations reach about 1,750 m in the Sierra Nevada and tend to be the hardier forms.

PortugalSpain and the BalearicsSouthern FranceItaly, Sicily and SardiniaBalkans and GreeceTurkey, Cyprus and the LevantMorocco, Algeria, Tunisia and Libya

🔒 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 Petrosedum

Petrosedum forsterianum Petrosedum rupestre Petrosedum ochroleucum

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.