First Estate in the Stags Leap District AVA, Among 4 Wineries in Napa Valley to Achieve this Milestone NAPA VALLEY, Calif., Nov. 18, 2024 /PRNewswire/ — Stag’s Leap Wine Cellars has become the first estate in Napa Valley’s Stags Leap District to be Regenerative Organic Certified® (ROC™),…