Chinese flowering cabbage,hon tsai tai Seeds, Purple Choy Sum (kosaitai) Asian Vegetable
- Planting season: Late summer to early fall .Cultivation: Prefers cool temperatures. Prepare fertile, well-drained soil. Sow seeds in late summer/early fall. Keep soil moist. Fertilize as needed. Harvest main stalk when it reaches 10-14" tall and just before flowering occurs. After this cut, the plant branches freely for an extended harvest.