ArticleGrenache: An international blenderWritten by Chik BrennemanIn the vineyard, Grenache is extremely vigorous and needs a long growing season to mature all of its fruit.Already a member? Log InYou'll Also Like Article MEMBERS ONLY Riesling Revisited Riesling is one of the noble grapes of Germany and can produce a wide array of complex white wines. Learn some of the key elements and techniques that winemakers can utilize when crafting wine from these grapes. Article MEMBERS ONLY Norton: New World nobility The experts surmise Norton is likely a cross between V. aestivalis and an unknown V. vinifera species. There is possibly some contribution of V. labrusca.