Left to right, Top: Regent, Gruner Veltliner, Pinot Noir Precoce. Bottom: Golubok, Rondo Field trials of cool climate wine grape cultivars are beginning to identify varieties of potential for Washington State’s Puget Sound. For some varieties, field data have been collected for more than a decade, providing viticultural information. In more recent years, varieties showing potential have been made into wine for further evaluation. In a maritime climate like Puget Sound, with annual heat units that range from 1400 to 2400 growing degree-days, matching the right variety with climate is critical to achieve optimum ripeness, flavors, and acidity in the […]