Beginner Products You May Like Ads by Amazon Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Napa Valley vintners Alex and Graeme MacDonald talk vineyard geology, cover crops and some of the oldest Cabernet vines in Napa Valley. Share on Facebook Share on Twitter Share on Pinterest Share on LinkedIn Products You May Like Ads by AmazonArticles You May Like All About Wine: Types of Wine! Wine Making Process! Wines! Red Wine! Sparkling Wine! Champagne! Wine Sparkling Wines IGR Westside Crossing 2017 Cabernet Sauvignon, Dry Creek Valley No GMO’s in Mendocino County: Grape Grower Charlie Barra explains An American in Tuscany: Michael Cioffi Buys Montepulciano’s Tenuta Valdipiatta