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Species library › Mammillaria › Mammillaria pennispinosa
Succulents Well documented

Mammillaria pennispinosa

A tiny, critically endangered Mexican Mammillaria with feathery spines, found in desert at about 1,200–2,000 m in Durango. Summers are hot with monsoon rain and winters are dry with cold nights. It needs bright light, a very mineral mix and a strict dry winter.

Mammillaria pennispinosa
Photo: Kaktus855, CC BY-SA 3.0, via Wikimedia Commons
At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets 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

Desert habitat on volcanic rock, usually tucked into crevices or among rocks that give some shade during the hottest hours.

Records lie at about 1,200–2,000 m (median about 1,500 m).

Durango

🔒 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 3.0 licence, unmodified.