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) of the wines. The grape requirements for Recioto di Soave DOCG wines are the same as for basic Soave but the grapes are left longer on the vine to accumulate more sugars and such need to be fermented to higher levels of alcohols. Reciotos are fermented to a minimum of 14% of alcohol but still retain distinct sweetness due to the high concentrations of sugars that came from the grapes' desiccation on the vine. Soave Superiore DOCG wines can also receive a "Riserva" designation provided the wine is fermented to a minimum alcohol level of 12.5% and is aged a