Chinese Cabbage Seeds - Beka Santoh. Heirloom, Non-GMO. Brassica rapa Pekinensis group. 25-40 days. Cool season annual. This vigorous loose head variety is grown throughout Japan. The leaves are light green, frilled and slightly serrated. The petioles are white. Fast growing. Harvest at any stage as microgreens to full maturity. Chinese cabbage prefers cool temperatures for its main growing season. ~ 9,000 seeds per oz.