Saint -Estèphe, with 1,377 hectares under vine is the largest of the major Bordeaux appellations in the Medoc. Located in the most northern part of the Left Bank, on average, 585,000 cases of wine are produced each year. The soils see a rich mixture of rocks, clay, limestone and gravel that rests on the surface and of course below, deep in the terroir. Beneath the surface lies a complex blend of different soils, sub soils and terroir. Over the past several decades, the general trend in the Saint -Estèphe vineyards has been to add more Merlot, which has added a lot of softness to the tannins and the wines. Merlot works well in the appellation due to the large amount of clay found in the soils. in the appellation due to the large amount of clay found in the soils.
Chateau Calon-SegurWith its name enclosed in a heart on the label, Chateau Calon-Ségur is a third-growth estate (3ème Cru Classé) in Saint-Estèphe and the Médoc’s northernmost classified growth. Today it comprises 74 hectares of vineyards; 65% Cabernet Sauvignon, 20% Merlot and 15% Cabernet Franc, planted on gravel-sand and gravel-limestone-clay soils. Under new ownership since the 2012 vintage, Calon-Ségur has increased its use of new oak in the Grand Vin to impart greater richness and texture. As well as its Grand Vin, the estate produces a second wine, Marquis de Calon.