Astroloba tenax

A small, slow, stem-forming Astroloba described in 2017 from the Groot Swartberg range in South Africa's Western Cape. Like its relatives, it has tightly stacked, firm leaves and grows among rocks in dry Karoo-edge scrub. It wants strong but not scorching light, very sharp drainage, and moderate water spread through the cooler months.

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

Grows on rocky slopes in the dry foothills of the Groot Swartberg, often in partial shelter of rocks or shrubs, as others in the genus do.

The climate sites are at about 675–695 m on the southern edge of the Great Karoo. Plants on the mountain itself may grow somewhat higher and cooler.

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 spiralis Astroloba robusta Astroloba spirella 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.