Petit Verdot is a red grape variety of the Bordeaux wines, cultivated since centuries mostly in the Médoc.“ Found in the Pyrenees under the name of Lambrusquet, which refers to a wild vine, it is present today in the Graves where it brings a taste diversity. Although it does not occupy an important position in Bordeaux, this grape variety has many qualities. Productive and late-maturing, it gives small clusters not too dense and rather small, with herbaceous flavors like Cabernet Franc. Petit Verdot is a capricious variety that requires a lot of care in the vineyard. It takes its name from its late maturity where the grapes remain green for a long time. The ideal conditions of production are a sunny terroir and moist soil, moreover, the harvest must be done quickly, within 24 hours, to prevent the fruit from rotting. We find the Petit Verdot in the encépagement of many crus classified Médoc where it is present at low percentage, often 5% and up to 15% for the Château La Lagune for example. It brings a touch of refining to great wines as well as a good content of sugar and alcohol. At a good maturity, the Petit Verdot gives a personalized wine, rich in color and tannin with a character all the more pronounced with age. It brings a true identity to the wines, moreover, one finds it, always in small proportions, in the encépagement of great wines such as theChâteau Haut-Marbuzet, the Château Chasse-Spleen or the famous Domaine de Chevalier.