Napa cabbage or Wong Bok, has a tall, extended, oval shape with a semi-tight cone shaped head. You can eat the white stems and crinkly light green leaves, either together or individually. It is a favorite for Asian stir-fry dishes and as a versatile side serve with other vegetables. It can be eaten raw in salads as an alternative to traditional cabbage in coleslaw. It is softer and has a gentler flavor than traditional globe cabbage.
Napa Cabbage grows easily from seeds and transplants well if there is deep soil in the seed tray. So you can establish in seed trays and then plant out. Napa Cabbage need to be grown to come to harvest in the cooler and shorter days of Spring or Autumn (Fall) before temperatures get too hot or their is a chance of frost. Plants need about 55 to 75 days to come to harvest depending upon the variety.
Grow 4 to 5 plants per household member, with batch planting to extend the harvest time for the crop. It prefers cooler weather, but can be ground year-round in some zones, but goes to seed in hot weather. It is best grown quickly, without any growth checks by ensuring there is plenty of with plenty of water and that the soil is rich. Regular applications of fertilisers and compost / manure will help keep the plants growing vigorously. Adding compost around the young plants also helps. Napa Cabbage is frost tender, so plant to grow and harvest to avoid winter frosts.
Seed Depth: Plant seeds about 5-8 mm (1/4 inch) deep. Plant in rows about 30-40 cm (1 foot) apart. Seeds will germinate in 6-10 days;
Space between plants: Thin to 20-30 cm (12 inches) apart, once the seedlings appear and have grown a little, or when transplanting.
Harvest Time: Harvest after 8-10 weeks, though early leaves can be picked earlier. Sow seeds in batches every 1-2 weeks for a continuous long harvest.
Hints: