25-30 days to maturity. Brassica campestris Narinosa group. Misome Choho Mustard Seeds. Non-GMO, warm or cool-season, annual, hybrid. One of several hybrids of Komatsuna and Tatsoi, this uniform, easy to grow hardy green has round thick leaves and an upright habit. It has a sweet flavor when raw, which becomes more robust when cooked. Thanks to the short time needed to reach maturity, enjoy many harvests throughout the growing season! Even areas with a short growing season can manage at least one round of Misome Choho. Grown all year round in moderate climates, it has high heat tolerance and performs well as baby leaf. Approx. 9,250 seeds per oz.