This document provides information on 20 different grape varieties used for red and white wines. It describes the key characteristics of each variety, including dominant aroma and flavor profiles, as well as comments on the typical style of wine produced and best growing conditions. The varieties discussed include Cabernet Sauvignon, Pinot Noir, Merlot, Cabernet Franc, Syrah, Carignan, Grenache, Pinotage, Zinfandel, Chardonnay, Sauvignon Blanc, Semillon, Colombard, Pinot Gris and others.