Today there are nearly 200 cultivated varieties. In the European tight-skins, which are used for wines, the skin does not separate readily from the pulp. North American slip-skin grapes are generally more hardy than the European. The fruit is round with a more watery flesh and a thin skin that slips off very easily. The North American V. labrusca is also called the fox grape and is the source of the famous cultivar discovered in Concord, Massachusetts.
Concord grapes are the most important American grape for juices, jellies and preserves.
They are also used for certain wines. Some of the best wines and popular eating grapes, such as 'Thompson Seedless' and 'Red Seedless' are cultivars of V. vinifera . I resulting in non-viable gametes. Several varieties of grapes are dried and used for raisins. The best raisin grapes are selected for flavor, reduced stickiness and soft texture.