There are many varieties of grapes that vary in size, color, flavor and texture. Here are some well-known varieties: red grapes: Cabernet Sauvignon, Merlot, Pinot Noir, Shiraz/Syrah. White grapes: Chardonnay, Riesling, Sauvignon Blanc, Pinot Grigio. Blue grapes: Concord, Muscadine. Black grapes: Black Corinth. Yellow grapes: Sémillon. This is only a small selection, there are many more varieties that vary depending on the region and growing conditions. Each variety has its own characteristics, both in taste and in use. Some varieties are better suited for winemaking, others for juicing or raw consumption.