Bok choy or pak choy (brassica chinensis) is a super healthy green vegetable in the cabbage family. An easy and quick grower. This variety has a thick and pure white petiole with smooth round dark green leaves. Good for stir frying and soup. High in Vitamin A, Vitamin C and calcium, and a rich source of many vital phyto-nutrients, anti-oxidants, and it is low in calories. One of the most popular mainland crop in China, Philippines, Vietnam and Korea.