White Stem Bok Choy is a great tasting Chinese cabbage that grows a succulent cluster of green leaves with thick white stems and white veins. This slow-to-bolt variety will reach about 1 foot in height when ready to harvest. White Stem Bok Choy has excellent tolerance to cold weather and is slow-bolting. Bok choy is an is a staple in Asian cooking. Crisp and refreshing, boy choy brings a vibrant crunch and subtle sweetness that is delicious cooked in stir-fries and soups or raw in salads. Bok choy is rich in vitamins A, C, and K, as well as essential minerals like calcium and potassium and is a nourishing addition to any balanced diet.