NAPA Cabbage is the most popular family of Chinese cabbages seen in the supermarkets on the West and Orient. The plant forms a head with leaves and petioles when matured. This heading vegetable is very tender and delicious. There are many varieties developed for various climates and areas. 75 days. Heads average 10 in./25 cm are barrel-shaped, average 3 1/2-4 1/2 lbs./1.8-2 kg. Use for spring or fall harvests.