Aloe pretoriensis

A single-stemmed grassland aloe from the summer-rainfall highveld of northern South Africa, with scattered populations in eastern Zimbabwe and Eswatini. It forms a tight rosette of erect, rather thin, pale green leaves and flowers in winter on tall branched stalks. It is hardy and easy in cultivation given full sun, a dry winter and good drainage.

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

Rocky grassland, typically on ridges and outcrops such as the Bankenveld around Pretoria, where it grows among grasses and rocks in full sun. The grasslands burn and experience winter frost.

Generally at higher altitudes on the highveld, roughly 1,000-1,800 m; the sources describe it as a higher-altitude grassland plant without giving exact limits.

South AfricaZimbabweEswatini

🔒 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 CC BY 2.0 licence, unmodified.