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Species library › Gymnocalycium › Gymnocalycium robustum
Succulents Partly documented

Gymnocalycium robustum

A Gymnocalycium described in 2002 from the dry hills of northwestern Córdoba, Argentina. It sees hot, wet summers and mild, dry winters, so grow it bright with some midday shade, water in summer and keep it dry and cool in winter.

Gymnocalycium robustum
Photo: Michael Wolf, CC BY-SA 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

Probably stony ground among grass and shrubs in dry Chaco scrub, as for neighbouring Gymnocalycium; not documented in detail here.

The single measured site is at about 540 m in northwestern Córdoba.

ArgentinaCórdoba

🔒 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-SA 3.0 licence, unmodified.