Turnip Seeds - Sugukina. Heirloom, Non-GMO. Brassica rapa subsp. rapa. 25-45 days depending on type of maturity. Cool season annual. Sugukina turnip is a traditional vegetable, dento-yasai, in Kyoto Japan. The production of this vegetable is in the area of Kamigamo, Kyoto. While it can be eaten fresh like any other turnip, its main use is for pickling. Suguki pickes (Sugukizuke) have been produced for generations in Kyoto for over 300 years. ~ 9,000 seeds / oz.