Possible candidates for the northernmost cultivated vines on the north vine belt Earth are the countries Alaska. Finland. Latvia. Norway and Sweden, The winegrowing areas there are from the 60th to the 62nd latitude. The northernmost vineyard in terms of quality wine is the Werderaner Wachtelberg in the German city of Werder (Brandenburg) at 52 degrees 23 minutes north latitude. Even more northern vineyards are on the island of Sylt in the state Schleswig-Holstein At 54 degrees 54 minutes owned by the winery Ress Balthazar where only country wine may be produced.