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
Martha's Vineyard "land amid the streams". In 1642, the Wampanoag numbered somewhere around 3,000 on the island. By 1764, that number had dropped to 313. A smaller island to the south was named "Martha's Vineyard" by the English explorer Bartholomew Gosnold, who sailed to the island in 1602. The name was later transferred to the main island. It is the eighth-oldest surviving English place-name in the United States. The island's namesake is not definitively known, but it is thought that the island was named after Gosnold's mother-in-law or his daughter, both named Martha. The island was also known as "Martin's Vineyard" (perhaps