Wisconsin wine refers to wine

Wine

Wine is an alcoholic beverage, made of fermented fruit juice, usually from grapes. The natural chemical balance of grapes lets them ferment without the addition of sugars, acids, enzymes, or other nutrients. Grape wine is produced by fermenting crushed grapes using various types of yeast. Yeast...

 made from grape

Grape

A grape is a non-climacteric fruit, specifically a berry, that grows on the perennial and deciduous woody vines of the genus Vitis. Grapes can be eaten raw or they can be used for making jam, juice, jelly, vinegar, wine, grape seed extracts, raisins, molasses and grape seed oil. Grapes are also...

s grown in the U.S. state of Wisconsin

Wisconsin

Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...

. The first wine grapes were planted in Wisconsin by Agoston Haraszthy

Agoston Haraszthy

Agoston Haraszthy was a Hungarian-American traveler, writer, town-builder, and pioneer winemaker in Wisconsin and California, often referred to as the "Father of California Viticulture," or the "Father of Modern Winemaking in California"...

 in the mid-nineteenth century, before he emigrated to California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 and helped to found wine industry

California wine

California wine has a long and continuing history, and in the late twentieth century became recognized as producing some of the world's finest wine. While wine is made in all fifty U.S. states, up to 90% of American wine is produced in the state...

 there. As have others since, Haraszthy found the climate of Wisconsin very difficult for wine grape production. Only about a dozen wineries have commercial operations in the state, with most making wines from other fruits in addition to grapes. Some Wisconsin wineries rely upon vineyards in other states for all or part of their grape sources. Wisconsin has one designated American Viticultural Area

American Viticultural Area

An American Viticultural Area is a designated wine grape-growing region in the United States distinguishable by geographic features, with boundaries defined by the Alcohol and Tobacco Tax and Trade Bureau , United States Department of the Treasury....

, the Lake Wisconsin AVA

Lake Wisconsin AVA

The Lake Wisconsin AVA is an American Viticultural Area located in south central Wisconsin. The wine growing region borders both Lake Wisconsin and the Wisconsin River. The first grapes were planted in the area by Agoston Haraszthy in 1847, before he would later emigrate to California. Most...

.

According to lobbying group WineAmerica, 41 wineries operated in Wisconsin in 2007.