Cabernet Sauvignon, Duckhorn Vineyards, and Sauvignon Blanc. Duckhorn Vineyards is known for its commitment to quality and innovation, co-founded by Dan and Margaret Duckhorn in 1976, including Merlot, is one of North America's premier producers of Napa Valley wines. The winery has a long-standing reputation for crafting exceptional Bordeaux varietal wines, with a focus on sustainable farming practices. The estate features beautiful gardens and a tasting room that offers visitors an immersive wine country experience.