Discocactus bahiensis

A flattened, often half-buried Discocactus of the caatinga of northeastern Brazil, flowering at night from a woolly cephalium. It is hot-climate cactus: keep it warm all year, never cold and wet, in very bright light and a sandy mineral mix.

At home, aim for

Day Warm-growingTargets in Plantistry

Night A clear drop at nightTargets 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

Open caatinga on sandy and rocky loam, among iron-stained limestone or quartzite, often near rivers and flood plains. Stems sit partly or wholly sunk in the soil.

Literature gives 380 to 650 m; GBIF records range from 0 to about 690 m, median about 370 m.

BahiaPernambucoPiauíCearáBrazil

🔒 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 Discocactus

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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.