Mammillaria montensis / Mammillaria standleyi (Pincushion Cactus)

USDA: 9b-11

Frost Tolerance: Hardy to at least 25°F (-4°C)
Sun Exposure: Light shade
Origin: Mexico (Chihuahua, Sonora), Sierra Madre Occidential

C.A.M. (Crassulacean Acid Metabolism)



Mammillarias never have vertical ribs. The tubercules can be angled or cylindrical more or less long and smooth.

Size found up to 6 in. (15 cm)