Aloe castanea

Cat's tail aloe

A tree-like aloe from north-eastern South Africa. It grows 2–4 m tall with bluish-green toothed rosettes and long, curving, unbranched spikes of small chestnut-brown flowers full of dark brown nectar. It comes from dry bushveld and rocky grassland with hot, wet summers and cool, dry winters with light frost, so it needs full sun, sharp drainage and a dry winter.

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

It grows in dry bushveld, savanna and grassland, often on rocky outcrops, in well-drained soil. The rocks shelter seedlings from heat and grass fires.

Its main areas, around Lydenburg, Emalahleni, Polokwane, Sekhukhune and Steelpoort, lie on the highveld and escarpment at about 900–1,600 m. No record elevations are available.

South Africa: MpumalangaSouth Africa: Limpopo

🔒 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.