Astroloba spiralis

A compact column-forming succulent with stiff, pointed blue-green leaves in five ranks, from the Little Karoo of South Africa. It grows in winter and summer alike in a low, erratic rainfall regime and does best with bright light, sharp drainage and a hot, dry summer pause.

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

Arid Karoo shrubland on stony slopes and flats, typically growing in the partial shelter of small shrubs or rocks rather than fully exposed.

Few records carry an elevation; the measured sites lie at about 230–750 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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More Astroloba

Astroloba corrugata Astroloba herrei Astroloba rubriflora Astroloba bullulata Astroloba congesta Astroloba foliolosa Astroloba robusta Astroloba spirella Astroloba tenax Astroloba pentagona Astroloba cremnophila

Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 4.0 licence, unmodified.