Discocactus pseudoinsignis

A flattened, globular Discocactus from Minas Gerais, Brazil, with a woolly cephalium and night-opening white flowers. It grows in open, sandy campo rupestre and cerrado at roughly 700–1200 m, and needs strong sun, warmth and a mineral, fast-draining 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, sandy and stony ground in the cerrado and campo rupestre of northern Minas Gerais, where Discocactus grow in quartz sand among grasses and rocks.

Literature gives 700–1200 m; records span 375–1095 m (median 750 m).

Brazil (Minas Gerais)

🔒 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.