This cactus has mid green spherical to oblong stems up to 75mm (3in) thick and forms offsets. It has thick tubercles with woolly areoles that have white spines and arranged densely around the stem. The red-white flowers appear from summer to autumn.

Hardiness zones 10 to 11 

Mammillaria geminispina is naturally found in North America growing in central Mexico in an open sunny position on very well drained moderately fertile gritty-stony soils and is drought tolerant but frost tender. 

This cactus is grown for its flowers and its globular habit. It is planted in rockeries or cactus and succulent garden as a specimen or used as an indoor plant. It is suitable for coastal or inland regions establishing from division in 2 to 3 years and may be planted against a sunny wall. ID 2088

Mammillaria (măm-i-LAH-ree-a) geminispina (jee-min-ee-SPIN-ah)

Cactaceae (kak-TAY-see-ee)