Haworthia grenieri

A Haworthia described by Breuer in 2017 from South Africa's Cape Provinces; very little about it has been published. There are no georeferenced wild records, and the measured climate is an interior Northern Cape stand-in, so grow it like other small Cape Haworthias: bright light with shade from the harshest sun, and cool-season growth.

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

No habitat notes were reachable. Haworthias typically grow in the shelter of shrubs or rocks in karroid scrub, partly shaded and often half-buried.

No elevation is on record; the stand-in site is at about 1,040 m.

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.