This intricate and unique plant originates in highlands and rocky areas. It creates small rosettes that go up to 20 cm in diameters. they form large clumps. When this plant blooms in the late spring/summer it develops pale green/yellow flowers.Recommended temperature zone: USDA: 8-10Frost tolerance: Hardy to 10°F (-12°C)Minimum avg. temperature: 50°F (10°C)Heat tolerance: ExcellentSun exposure: Full sunOrigin: Central Arizona (USA)Growth habits: Clumping, up to 12" in diameter (30 cm), 12" tall (30 cm)Watering needs: Little water when established Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz