Mammillaria hahniana, more commonly known as old lady cactus. It is a very globular cacti with spherical stems. It has very white hairs and a circle-like crown of bright magenta flower, which causes a beautiful contrast in colors. This is a perfect ornamental plant for any use.
Recommended temperature zone: USDA: 9b-11 Frost tolerance: Hardy to 20F (-6C) Minimum avg. temperature: 50F (10C) Sun exposure: Light shade Origin: Mexico (Guanajuato) Watering needs: Water sparingly, needs good drainage Propagation: Seeds
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz
