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Species library › Mammillaria › Mammillaria duwei
Succulents Partly documented

Mammillaria duwei

A small, Critically Endangered Mammillaria with feathery white spines, known from a single locality in Guanajuato, Mexico, with about 500 mature plants left. In cultivation it wants bright light, a mineral mix, summer water and a cold, completely dry winter.

Mammillaria duwei
Photo: Jabowman78, CC BY 3.0, 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 Bright, filtered lightDLI and PPFD in Plantistry
Expects a seasonal restGrows in the ground

Where it grows wild

Highland plant of the central Mexican plateau, growing on open ground among grasses and rocks; habitat detail beyond that is generalised from the genus.

Highland plateau; the measured site's cold winter nights fit an altitude near 2000 m.

Guanajuato

🔒 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 3.0 licence, unmodified.