Chinese Cabbage, Pak Choi Is a Non-heading Leaf Type Organic Vegetable.2000 Seeds Pak Choi is a non-heading leaf type Chinese cabbage that produces large, succulent, nearly round, smooth, glossy green leaves with snow white stalks. Pak Choi is crisp, tender and mild tasting. A fabulous addition to stir fries or oriental cooking. Pak Choi is a popular green in Asian cooking. Pak Choi is very cold hardy and grows over an extended period of time. The leaves grow 8 to 10 inches long. Harvest the whole thing or use the outer leaves so they just keep coming! Pak choi are also known as Chinese leaves or cabbage, and they look more like a lettuce than a traditional cabbage. They have a slight mustard taste and the leaves are crisp and crunchy. Fast-growers, they can be grown as a baby leaf, a cut and come again salad crop or left to fully mature.