Seeds from Gymnocalycium baldianum or Dwarf Chin Cactus. A very eye catching flower even at a very small size. produces 1. 5 inches in diameter 4 cm, white, pink, orange or bright red flowers in spring and summer. It is fast growing and can bloom one year after being sown. It flowers readily from an early age, and offers no cultivation difficulties. USDA: 8b-11