Mammillaria gigantea

A large, flat-topped, usually solitary Mammillaria with woolly crown and strong curved central spines from the central Mexican highlands, at roughly 1,750 to 2,400 m. It wants strong light, a gritty mineral mix, summer water and a cool, dry winter.

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

Grows on rocky hillsides in highland xerophytic scrub and grassland, often among stones or at the base of shrubs.

Recorded from about 1,000 to 2,600 m, median about 1,990 m; literature gives 1,750 to 2,400 m.

GuanajuatoQuerétaroSan Luis PotosíHidalgoDurango

🔒 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.