North Carolina North Carolina is one of the oldest wine-growing states in the Union, but the industry was almost completedly destroyed by prohibition. The Yadkin Valley in the western piedmont in particular has emerged as excellent an terroir over the past decade. Appellations: Buncombe County Davidson County Duplin County Forsyth County Haw River Valley Surry County Swan Creek Wake County Wilkes County Yadkin County Yadkin Valley