Ears with dented kernels should be rejected. Seed corn can be stored shelled or on the cob in a cool, dry area until the following spring. All cracked kernels and foreign debris should be removed from shelled corn before storage. Lower moisture levels generally result in more cracking of the kernels. Rotary combines are the preferred means of harvesting over picker-shellers because they result in fewer cracked kernels.
Most blue corn is grown under contract.
Large buyers often require the recleaned seed be free of disease, insect infestations, frost damage, extraneous matter and other imperfections. The Federal Food, Drug and Cosmetic Act requires the seed be free of unsafe chemical residues. A good, dark blue color is important. Most processors also require the grain be delivered in new burlap or paper bags. It is the basis for many traditional Native American foods.