Mizuna is widely cultivated in China for its edible leaves. This plant is one of the most resistant to bolting of the oriental brassicas and can be sown in spring. It can also be planted in the summer for an autumn and winter crop.
Succeeds in full sun in most well-drained fertile soils. Summer crops tolerate light shade. 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.
Fairly hardy, tolerating quite hard frosts, though plants are likely to die if this is coupled with wet weather. Plants are also tolerant of summer heat. Mizuna can also be transplanted successfully. A fast growing plant, it can be cropped on a cut and come again basis just 2 - 3 weeks after sowing and has been known to continue cropping for 10 months before going to seed.
Sow in situ or in a seed bed from April to September. Thinnings can be transplanted. Can also be sown in a cold greenhouse in late autumn or early spring to provide leaves overwinter and in late spring.