Species library › Gymnocalycium › Gymnocalycium denudatum
Succulents Well documented

Gymnocalycium denudatum

A flattened, shiny dark green Gymnocalycium with few ribs and sparse spines, from rocky grasslands of southern Brazil, Uruguay and north-eastern Argentina below about 500 m. Its habitat is humid with rain all year, but in cultivation it does best with a dry, cool winter.

Gymnocalycium denudatum
Photo: Mats Winberg, CC BY 3.0, via Wikimedia Commons
At home, aim for
Day Cool-growingTargets 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

Rocky outcrops and stony grasslands of the Pampa, often partly shaded by grasses.

Grows up to about 500 m; the records sit at 310–370 m.

Brazil (Rio Grande do Sul)UruguayArgentina (Misiones)Argentina (Corrientes)

🔒 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

Grow Gymnocalycium denudatum? Add it to a free garden and its full profile opens. Pro opens all 38,374 profiles in the library, plants and fungi.

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 3.0 licence, unmodified.