Many people know what heirloom vegetables and fruits are, those that are the closest living things to the original plants from hundreds or even thousands of years ago. But how is that determined and how many are making their way into our produce markets.
Mike Switzer interviews David Shields, the McClintock Professor of Southern Letters in the Departments of English & History at the University of South Carolina in Columbia, and he is also the chair of the Carolina Gold Rice Foundation.
