1. are a grapevine species native to the present-day southeastern United States that has been extensively cultivated since the 16th century. Its natural range is recognized in the following states of the US: Alabama, Arkansas, the Carolinas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Missouri, Mississippi, Oklahoma, Tennessee, Texas, Virginia, and West Virginia.They are well adapted to their native warm and humid climate; they need fewer chilling hours than better known varieties and they thrive on summer heat.