Aloe affinis

A stemless, medium-sized Aloe from the grassy mountain slopes of north-eastern South Africa. It forms a rosette 200–300 mm tall of 16–20 broad leaves and flowers in winter. It is a summer-rainfall highland aloe: it wants bright sun, wet summers, a dry winter, and tolerates light frost.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Montane grassland and rocky hill slopes, often near forest margins, in ravines and at the base of cliffs. Collection sites include the Lydenburg area, Mac Mac Falls between Sabie and Graskop, and the cooler lower slopes of the Makapan Valley. Soils range from humus-rich brown soils to sandy clay loams on steep slopes.

Roughly 1000–1700 m on the escarpment and highveld; one GBIF record is at 1474 m and a label from a ravine gives about 3500 ft (1070 m).

South Africa: MpumalangaSouth Africa: LimpopoSouth Africa: Gauteng

🔒 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. Photo from Wikimedia Commons, used under its CC0 licence, unmodified.