Gymnocalycium mihanovichii

A small, banded, grey-green to reddish globular cactus of the Gran Chaco lowlands, best known as the stock of grafted 'moon cactus' colour mutants. Wild plants sit half-hidden under Chaco scrub and grasses, so they want strong but not scorching light, hot wet summers and a dry, cool winter.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Dry Chaco thorn scrub and grassland on flat lowland plains, growing in the shelter of shrubs and grass tussocks on sandy-loam soils.

Lowland: measured sites lie at about 55–230 m.

ParaguayArgentina (Northeast: Formosa, Chaco)

🔒 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.