Mammillaria weingartiana

A small, hook-spined Mammillaria from high elevations in north-east Mexico. It needs strong light, warm summers with cool nights and a cold, completely dry winter, and it rots easily if overwatered.

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

Most records lie at 2100–2300 m in the Sierra Madre Oriental and nearby uplands, where small Mammillaria grow among grass, rocks and low scrub on well-drained slopes. Specific habitat notes were not checked.

Recorded elevations are 220–2283 m, median 2100 m (7 records); the 220 m site is an outlier.

Nuevo LeónTamaulipasSan Luis PotosíMexico

🔒 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 4.0 licence, unmodified.