Oscularia alba

A shrubby vygie from the dry, winter-rainfall country of the southern Knersvlakte and Bokkeveld edge in the Western Cape. Like other Oscularia it probably grows on rocky outcrops and has grey-green, often toothed leaves. Grow it in full sun with water from autumn to spring 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 slopes and outcrops in semi-desert shrubland at the fynbos–Karoo transition. Oscularia typically root into rock cracks and get full sun.

Climate sites lie at about 300–690 m. Few records carry an elevation.

South Africa (Western Cape)

🔒 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 Oscularia

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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.