Driving through the Midwest, one could easily assume Illinois, Indiana, Iowa, Kansas, Nebraska, and the rest of the Corn Belt are the growing regions for the deliciously sweet ears of corn served at barbecues and picnics and on dinner plates across America. That assumption is wrong. The corn in the Corn Belt is field corn; the corn on Americans’ plates is sweet corn, and according to the Green Giant, it is the second most popular vegetable in America. Sweet corn is available fresh, frozen, and c…