Chinese Cabbage GRANAAT 325 SEEDS £1.70 Quantity: at £1.70 each Add To Basket Forms long green heads. Use as a salad or stir-fry. Sowing instructions: Sow from mid July in situ or raise the plants in modules. Growing instructions: Thin to a distance of 30x30 cm. Chinese cabbage matures in eight to ten weeks. Average contents:325 seeds.