All dry grains can be ground, including wheat (both hard and soft), oat groats (dehulled oats), rice, triticale, Kamut, spelt, buckwheat, barley, rye, millet, teff, quinoa, amaranth, sorghum and dent (field) corn. Sprouted grains can also be milled provided they are thoroughly dried first. It will also grind spices, lentils and dry beans (pinto, red, garbanzo, kidney, etc.) It isn’t suitable for herbs, oilseeds like flax or sesame, popcorn, or fibrous materials.