Mammillaria formosa subs. microthele is a low-growing flattened plants, clumping with tight, short white spines which forms low, many-headed, mounds in time. Some authors consider Mammillaria formosa subs. microthele to be sufficiently distinct to deserve its own formal status: Mammillaria microthele. It is planted in cement planter whose height is 2.5 inch and 4 inch round.