Haworthia mirabilis

A retuse Haworthia from the Overberg of the Western Cape, whose rosettes of flat-topped, windowed leaves sit sunken into the soil with only the tips showing. It is very variable, with many named varieties. In cultivation it wants bright but not scorching light, a gritty mix, and water mainly in the cooler months of autumn to spring.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

It grows on rocky slopes and ridges, often in the partial shelter of shrubs and fynbos or renosterveld bushes. The rosettes are pulled down into the soil so that only the leaf windows are exposed, which protects them from heat and drought while light enters through the windows.

The literature gives about 500 m for typical plants; related var. magnifica grows around 220 m. Few records carry an elevation.

Western Cape (Overberg), South Africa

🔒 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.