Cultivation: Start seeds inside 8-10 weeks before last frost date. Keep soil warm until emergence. Seeds will not germinate in cool soil. Harden off plants carefully before transplanting. Prepare fertile, well-drained soil at least 20" deep.Harvest in about 150 days Plant in late spring/early summer in a warm, sunny location when soil temperatures are above 70°F. Remove flower buds to promote root production. Harvest tubers 5 to 9 months after sowing and store in a dry, dark, cool environment at 50-60°F. Seeds are Non-GMO, easy to grow. A wonderfully starchy and sweet root vegetable Germination rate about 80% or better