Martha's Vineyard AVA citing historical evidence that viticulture has been practiced on the Massachusetts island named Martha's Vineyard since at least 1602. The maritime location helps to create a slightly warmer climate than the nearby coastal regions of Massachusetts, and a growing season that is almost three weeks longer. The hardiness zone is 7a. Martha's Vineyard AVA The Martha's Vineyard AVA is an American Viticultural Area located in Dukes County, Massachusetts, including all of the land on the islands named Martha's Vineyard and Chappaquiddick Island. These two islands are located off the southern Massachusetts coast, surrounded by Vineyard Sound, Nantucket Sound, and the
Vineyard designated wine than even the name of the producer. In the United States, the appearance of vineyards name on wine labels is a relatively recent phenomenon with one of the first vineyard designated premium wines in California being the 1966 vintage Heitz Martha's Vineyard Cabernet Sauvignon. Later examples include the 1975 Robert Young Vineyard Chardonnay from the Sonoma wine estate of Chateau St. Jean. On the East Coast, Unionville Vineyards produces single vineyard wines, primarily Chardonnay. Under US wine laws, if the name of vineyard appears on the label at least 95% of the grapes used to make the wine must come