Mammillaria hernandezii

A small, endangered Oaxacan Mammillaria with fewer than 500 plants in the wild, growing in upland pine scrub around 2,200 m. Grow it lean and bright, with 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 Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Disjunct populations in a small area of upland tropical pine scrub, growing in the ground among grasses and rocks.

2,147–2,373 m, median 2,207 m.

Oaxaca (Mexico)

🔒 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

Mammillaria luethyi Mammillaria prolifera Mammillaria albilanata Mammillaria erythrosperma Mammillaria spinosissima Mammillaria voburnensis Mammillaria glassii Mammillaria vetula Mammillaria herrerae Mammillaria mercadensis Mammillaria albiflora Mammillaria bombycina All 145 →

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 4.0 licence, unmodified.