60 days to maturity. Raphanus sativus. Bora King Hybrid Korean Radish Seeds. Cool season annual. Bora King radishes live up to their royal name by being a gorgeous purple all the way through! Its bright green tops contrast beautifully with the roots, and they’re both edible and delicious. Slow to bolt and easy to grow, Bora King radishes are a truly unique variety that you won’t regret trying. Buy some today and wow your friends with some delicious, visually stunning dishes this fall. Approximately 4,500 seeds / oz.