American wine average 28.2 percent in 2010, versus 27 percent in 2009. "As of 2005", the largest producers of American wine. American wine American wine has been produced for over 300 years. Today, wine production is undertaken in all fifty states, with California producing 89 percent of all US wine. The United States is the fourth-largest wine producing country in the world, after France, Italy, and Spain. The North American continent is home to several native species of grape, including "Vitis labrusca", "Vitis riparia", "Vitis rotundifolia", and "Vitis vulpina." But the wine-making industry is based on the cultivation of the European "Vitis
Soave (wine) is different from the Trebbiano Toscano variety of Tuscany, and is also known as the Ugni blanc grape used in Cognac production. The DOC rules place new emphasis on the quality varieties and exclude Trebbiano Toscano, which had been allowed to constitute up to 15% of the blend. All the grapes used for the DOC wine must be harvested to a yield no greater than 14 tonnes/hectare with the finished wine fermented to a minimum alcohol level of at least 10.5%. In the Soave Superiore DOCG, Garganega must also account for a minimum of 70% of the wine, but Pinot