Mammillaria hahniana (Old Lady Cactus)

Mammillaria hahniana, commonly known as Old Lady Cactus, is a slow-growing cactus native to Mexico. It is characterized by its dense covering of soft, white, hair-like spines that give it a fuzzy appearance. This cactus forms clusters of cylindrical stems that can reach up to 12 inches tall and 6 inches wide. It produces small pink flowers in spring or summer.