Mammillaria occulta

A small cactus from the highlands of Hidalgo in central-eastern Mexico, known from only a handful of records. Grow it like other highland Mammillaria: full sun, a gritty mix, and a cold, 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

Habitat details are scarce; Mammillaria of the Hidalgo highlands grow in rocky ground in xerophytic scrub and grassland, often partly shaded by shrubs or grasses.

Few records carry an elevation; the climate sites sit at about 1000 and 2900 m.

MexicoHidalgo

🔒 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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More Mammillaria

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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.