Suisun Valley AVA length. The valley is approximately by , and contains about . More than of the valley is currently planted as vineyard, with more than twenty varieties of wine grapes represented, including Barbera, Cabernet Sauvignon, Chardonnay, French Colombard, Gamay (Valdiguie), Grenache, Merlot, Mouvedre, Muscat Canelli, Petite Sirah, Petite Verdot, Pinot Gris, Pinot Noir, Primitivo, Rousanne, Sauvignon Blanc, Sangiovese, Shiraz, Syrah, Viognier, Riesling, and Zinfandel. Suisun Valley has a semi-coastal Mediterranean climate with a cool wet season from November to April, followed by a warm dry season. Moist winds blow inland from San Pablo Bay and Suisun Bay at the headwaters of
Washington wine Washington are Cabernet Sauvignon, Riesling, Chardonnay, Merlot, and Syrah. There are also plantings of Cabernet Franc, Grenache, Malbec, Pinot gris, Sauvignon blanc, Sémillon, Tempranillo, Viognier, Barbera, Chenin blanc, Gewürztraminer, Nebbiolo, Petite Sirah, Pinot noir, Sangiovese, and Zinfandel. Vineyard acreage dedicated to red varieties was in 2006. The four most prevalent red varieties were Cabernet Sauvignon at , Merlot at , Syrah at , and Cabernet Franc at . Vineyard acreage planted to white varieties was . The four most prevalent white varieties were Chardonnay at , Riesling at , Sauvignon blanc at , and Gewürztraminer at . Washington State is