‘Bochun' is an overwintering spring cabbage hybrid which is developed by crossing two self-incompatible lines of ‘Y9805' × ‘Y5-3-14'.The head is bovine heart-shaped, the single head weight is about 1.2 kg, with tender leaves and good quality.It is tolerant to cold, and premature bolting.It takes about 144 days from planting to harvest for overwintering in open field.It is suitable to be cultivated in South of China, especially the Yangtze River.