5-7 Days. The Green Nozawana Japanese Turnip is a quick-to-harvest easy microgreen as it is ready in just 5-7 days. Its upright, broad pastoral green leaves are filled with tangy notes of mustard that are a perfect match for your summer salads and cookouts. Top your favorite burger with this yummy microgreen or add as a garnish to your favorite summer dish. ~ 9,000 seeds / oz.