Mammillaria hahniana Cold Hardy Soil: 60% pumice/40% regular potting

Soil: 60% pumice/40% regular potting mix or Stone Eaters Soil

Made in South Central

Reinforced knees

Temperature: Keep above 32° F

sometimes taller in the shade

Mammillaria hahniana Cold Hardy Soil: 60% pumice/40% regular pottingMammillaria hahniana is a beautiful member of the Mammillaria genus and one that forms large clumping groups. It is easily identified by its long white hairs, which can densely cloak the plant's body and increase in thickness, richness and length in age. This cactus flowers prolifically, even when young. Native to the central Mexican states of Guanajuato, San Luis Potos, and Queretaro, where it's range is extremely limited, thus making it relatively