Chinese Cabbage Seeds - WR-70 Days - Hybrid. Non-GMO. Brassica rapa Pekinensis group. 70 days. Cool season annual. This early maturing, medium green nappa cabbage variety has wide adaptability. Recommended where other nappas are difficult to cultivate. Heads can weigh over 5 lbs at maturity. It has good cold tolerance, medium heat tolerance and is slow bolting. This variety has a high resistance to viruses, soft rot, and leaf spot. A nutrient-rich vegetable loaded with vitamin A, potassium, and folic acid. Chinese cabbage prefers cool temperatures for its main growing season. This variety is a fall to winter harvest type but can be sown in spring. ~ 7,500 seeds per oz.