Haworthia dura

Haworthia dura is one of Masahiko Hayashi's many narrowly defined segregates of the soft-leaved southern Cape Haworthias; it is accepted as a name by GBIF but has almost nothing published about it and is treated by most botanists within a broader species. Grow it as you would any retuse soft Haworthia of the Western Cape: dappled light, cool nights, a gritty clay mix, thorough drying between waterings and a quieter, drier summer.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Dappled lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Presumed, like Hayashi's other segregates, to be a plant of low shale and quartzitic ridges in the Riversdale to Swellendam district of the Western Cape, growing drawn down into the soil under small shrubs and among stones.

No elevation records; the southern Cape Haworthia country lies at roughly 50 to 400 m.

Cape ProvincesWestern CapeSouth 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.