Canton white has startlingly white stems. Crunchy texture and sweet flavour.
Pak choi is widely cultivated, especially in China, for its edible leaves which are produced mainly in the summer and autumn. A fast-growing plant.
Plants are not tremendously cold-hardy, though they will withstand light frosts.
Succeeds in full sun in a well-drained fertile preferably alkaline soil. Prefers a cool moist reasonably fertile soil. The plant is shallow rooted and intolerant of drought, it needs to be grown in a moist fertile soil for the best quality leaves.
Sow in situ May to August. Spring sown crops are prone to run quickly to seed if there is a spell of cold weather. May also succeed if sown in a cold greenhouse in autumn or early spring to provide leaves overwinter and in late spring.