Norton (also known as Cynthiana) is a V. labruscana x V. aestivalis hybrid with a long history in eastern US wine production, particularly in Missouri and Virginia. Norton produces small to medium clusters of firm, round...
Black Spanish is an older variety that is tolerant to Pierce’s disease (it can carry the disease and thus be a source of infection if insect vectors are present with no reduction in yield, but Black Spanish vines sold ...