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Species library › Coryphantha › Coryphantha georgii
Succulents Well documented

Coryphantha georgii

A small, solitary, glossy dark-green globular cactus with a taproot, from the highlands of northeastern Mexico at about 1,600–2,400 m. It grows on volcanic soils in grassland and oak-forest clearings, with a warm summer rainy season and a cold, dry winter.

Coryphantha georgii
Photo: Pedro Nájera Quezada, CC BY 4.0, via Wikimedia Commons
At home, aim for
Day Cool-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

Volcanic soils of plains and slopes, behind rock walls, in grassland and clearings in oak forest.

Records from 1,327 to 2,241 m, median 1,880 m; literature gives 1,600–2,400 m.

MexicoSan Luis PotosíTamaulipasNuevo LeónGuanajuatoQuerétaro

🔒 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.