The Champagne Grape Vine is a unique tiny grape that is also known as Black Corinth. This old Greek variety is dark red to black, firm skinned, juicy, and crunchy with a very sweet, spicy flavor when ripe. The Champagne Grape Vine grapes have the highest sugar content of any grape grown today for the fresh market. It is seedless, so you can eat the stem and all. Just take the whole cluster and pop it in your mouth. It's like eating sugar. Champagne grapes tend to grow in long bunches. Tiny clusters of champagne grapes are sometimes used to bring great elegance when laid over fish, poultry, veal, pork or beef. The grapes of the Champagne Grape Vine are sweet and petite. Hardy to zone 7. Champagne grapes ripen late July to early August and are cold hardy to about 0°F. Zones 7-10.