Radish Seeds - Mino Early. Heirloom, Non-GMO. Raphanus sativus. 40-50 days. Cool season annual. Mino Early is a leading open pollinated radish (daikon) for summer to fall harvest in Japan. It has good heat tolerance and can be grown all year round in tropical areas. The tapered root is long, white, tender and crisp with a mild pungency. ~ 11,000 seeds / oz.