Haworthia glauca

A blue-grey, stem-forming hard Haworthia (now Haworthiopsis glauca) of the dry thicket country of the western Eastern Cape, from the Port Elizabeth hinterland west past Kirkwood to Paardepoort. It grows both in full sun and tucked under bushes and rocks, so it takes more light than most Haworthias and colours up in it. Give it hot bright days, cool nights, sharp drainage and a soak-and-dry rhythm.

At home, aim for

Day IntermediateTargets in Plantistry

Night A clear drop at nightTargets 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

Albany thicket and noorsveld on stony, well-drained sandy soils at roughly 400 to 600 m, either exposed on open ground or sheltered under shrubs and rock overhangs.

Measured sites at 420 and 600 m; the species runs from near the coast to the Karoo edge.

Eastern 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.