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Species library › Arthrocereus › Arthrocereus melanurus
Succulents Well documented

Arthrocereus melanurus

A basally branching columnar cactus from the rocky uplands of Minas Gerais, Brazil. Its stems reach a metre or more and it bears large yellow to white nocturnal-type flowers. It grows in dry savanna and among rocks at 700–1,700 m, with a wet summer and a clearly dry winter.

Arthrocereus melanurus
Photo: Márcia Martins, CC BY 4.0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

It grows in dry savanna and rocky outcrops of the Brazilian highlands, among grasses and low shrubs on shallow, rocky ground.

Grows at about 700–1,700 m. The recorded median is 850 m.

Brazil Southeast

🔒 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 4.0 licence, unmodified.