Oscularia steenbergensis

A shrubby ice plant with grey-green, waxy, three-angled leaves from rocky sites on the West Coast of the Western Cape, mostly near sea level. It grows in the cool, wet winter and endures a dry, sunny summer, so give full sun, a gritty mix and a dry summer.

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 outcrops, often sandstone or granite, in coastal fynbos and strandveld scrub, fully exposed. Based on the records and genus habitat.

Climate sites sit at 10–100 m; the records carry no elevation.

Cape Provinces

🔒 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.