Native to Mexico
Mammillaria zeilmanniana is a soft bodied, glossy green globular cactus, up to 5 inches tall and up to 3 inches in diameter. Rose Pincushion Cactus has 4 (the upper 3 straight, the lowest hooked) reddish central spines and clusters of soft, hair-like 15 - 18, white radial spines. The flowers are pale pinkish violet or purple in color, with yellowish stigmas. Rings of flowers are present most of the year..
rose Pincushion Cactus prefers bright light and ample airflow. Outside it likes full sun or afternoon shade, inside it needs bright light, and some direct sun. It requires excellent drainage provided by porous cactus soil. Repotting may be done every 2-3 years.
Water the soil abundantly when it is dry to the touch. Allow soil to drain thoroughly before watering again. Do not water much in the winter. Allow the soil mix to become nearly dry between waterings, but then water thoroughly. Suspend watering in the winter, but mist occasionally.
During the growing season, fertilize with a cacti fertilizer mix.
Landscape UsesIt is used as an ornamental, It is an excellent plant for container growing. It always looks good and stays small.
For watering cacti, the golden rule is to make sure the soil is completely dry before watering! This will stop the roots from rotting. It is advised to always use a pot with a drainage hole so that excess water can get drained out. If kept in a sunny area, you will need to water it once every week. If it is in a semi shaded or filtered light area, you might need to water it once in 2 weeks.
Cacti like soil that is well aerated and fast draining. You can fertilise the cactus in the summer months when it is in its growing season. During the winters it is best to cut back on any fertiliser and let the plant rest.