Jackson Family Wines, McManis Family Vineyards, Trefethen Family Vineyards and Wente Family Estates Named 2022 Winners SAN FRANCISCO — The eighth annual California Green Medal Sustainable Winegrowing Leadership Award winners were announced today during Down to Earth Month, a celebration of California's sustainable viticulture and winemaking. Presented by several California wine organizations devoted to sustainability, four Green Medals have … Continue reading Winners Announced for Eighth Annual California Green Medal Sustainable Winegrowing Leadership Awards