is a solitary or slowly clustering medium sized barrel cactus with many flowers in early spring. This spherical cactus can grow up to 10 cm tall and 15 cm in diameter (but in cultivation plant tends to elongate and can grow up to 30 tall) the crown of the plant is covered in spiny white wool.
Recommended temperature zone: USDA: 9b-11 Sun exposure: Light shade Origin: Southeastern South America Growth habits: Slowly clumping when mature, up to 6" tall (15 cm), 6" in diameter (15 cm) Watering needs: Regular water in summer. Keep rather dry in winter, rot easily if the substrate is wet and cold, tends to lose its roots in winter. Flowers: yellow up to 1" in diameter. Blooming season: Spring
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz
