Species library › Discocactus › Discocactus placentiformis
Succulents Well documented

Discocactus placentiformis

A flattened, disc-shaped cactus from the quartz-sand campos rupestres of Minas Gerais that forms a woolly cephalium on top when mature and opens fragrant white flowers at night.

At home, aim for
Day IntermediateTargets 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 quartzite outcrops and white sandy flats in campo rupestre and cerrado, where plants sit low among grasses and stones. Recorded at up to 1200 m, mostly around 900 m.

Records mostly at 900–1230 m on the Espinhaço and nearby ranges.

Brazil (Minas Gerais)Brazil (Bahia)Brazil (Goiás)

🔒 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.