Brassica rapa var. japonica
Not only is it good to eat, it's also quite decorative, with glossy, serrated, dark green leaves and narrow white stalks, looking good in flower beds and as edging. It's vigorous, adaptable and easy to grow in most soils. Mizuna greens have a mild mustard flavour. The usual sowing time, outside, is from early to late summer, but it can be sown in late spring or early summer, when it may have a tendency to bolt. Another alternative, is to sow in early autumn, for transplanting under cover.
From early spring to late summer, sow seeds ï¿½ to ï¿½ inch deep, 1 inch apart in rows 18 inches apart. Thin to 6-inch spacings. Plant every 2 weeks for continuous harvest. Use floating row covers to help protect from early insect infestations. To help reduce disease, do not plant mizuna or other cole crops in the same location more than once every three or four years. Annual.