Mammillaria herrerae
The golf-ball cactus, a tiny critically endangered Mammillaria from semi-desert shrubland in Querétaro, Mexico. It needs full sun, a very open mineral mix, careful watering in summer and a completely dry, cool 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
Rocky, semi-desert shrubland on the central Mexican plateau.
Recorded sites lie between about 1910 and 2310 m.
Mexico NortheastQuerétaro
🔒 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
Grow Mammillaria herrerae? Add it to a free garden and its full profile opens. Pro opens all 38,374 profiles in the library, plants and fungi.
More Mammillaria
Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.