what is muscadine
(Redirected from Muscadine). Vitis rotundifolia, or muscadine, is a grapevine species native to the southeastern and south-central United States from Florida to Delaware, west to eastern Texas and Oklahoma.It has been extensively cultivated since the 16th century.ther traditional Southern U.S. muscadine-derived food products are readily available: jelly, preserves, syrup, and sauce. The fresh grape is available in season, September and October. The juice is available, white and colored.