Clearwater Variety Sunchoke - Jerusalem Artichoke Var. Clearwater. - 4 Tubers - Sunroot - by Yumheart Gardens Choose only Yumheart Gardens Tubers for a Trouble-free crop that produces well. Can be planted any time. Jerusalem artichokes are rich in potassium an ideal food for those on low carb diets. These tubers can be planted or eaten raw. Nutty flavor, Crisp Texture, great as a snack or in a salad.