Mammillaria bocasana. (Powder Puff Cactus). Sunset: 13-24, 29, 30; USDA: 8-10. Full sun to light shade. Hardy to 28°F. Regular water during growing season, keep dry during winter.  Clumping, globular cactus with hairy spines, 2.5" in diameter. Pink or yellow flowers spring and summer. Origin: Central Mexico.