They do need cold stratification to germinate. leave them exposed to both rain and snow. Native to China. The 6–8" pinky-width greyish-white roots cluster at the base of the 3–4' plant and may be harvested in fall but are customarily overwintered for sweet treats in spring. Roots have a sweet nutty flavor that has been appreciated ever since they made an appearance at medieval feast tables. Sow in late in winter or early spring in cold frame, can be slow to germinate. Work soil deeply and free of debris. Prefers lighter soils like carrots. Can also be started indoors 8 weeks before last frost. Pick out seedlings to individual pots. Carefully weed to enhance root development and not disturb the roots. Pot up smaller divisions in early spring and grow them in lightly shaded area in cold frame, plant them out once they are well established in the summer. Requires abundant moisture in the growing season or roots will be tough. Harvest root after first frost. Lightly mulch to over winter in cold climates. Buy Seeds Online Organic Seeds Heirloom Seeds Non-GMO Seeds Vegetable Seeds Flower Seeds Herb Seeds Fruit Seeds Garden Seeds Seed Starter Kits Rare Seeds Bulk Seeds Indoor Gardening Seeds Seed Catalog Seed Packs for Sale Sustainable Seeds Greenhouse Seeds Seed Suppliers Planting Seeds Home Garden Seeds