On a total area of 42 Ha, the family Bertin produces wines from 3 appellations :
- Château Dallau, Bordeaux Supérieur, with gravel-silicate terroir
- Château Cardinal, Montagne Saint-Emilion, on clay-limestone soil
- Clos l'Hermitage, Lalande de Pomerol, on sandy clay soil
The wines reflect the combination of traditional knowledge with modern oenology.
The vineyard is mainly made up of Merlot, king of the Libournais grape variety, which brings the fruit to the wine, and completed by both Cabernet Sauvignon, which brings freshness, and Cabernet Franc for a perfect aromatic complexity.
Each year the vineyard is gradually renewed: the dead feet are removed and replaced by new ones; this is the racotage.
The majority of old ones are uprooted and replanted with rootstocks adapted to the soil.
The manual work in the vineyards is carried out by our own teams: each season, it is the same winegrowers who carry out the pruning, the fall of wood, the lifting, the de-sucking, the disbudding, and the stripping if necessary.
The objective is to allow the vines to produce quality grapes , while limiting the fruit load on the plant, to reach perfect maturity.