Château SIRAN Designation Margaux Vineyard Size 25 hectares Soil type Deep gravel Vine varieties 48% Merlot, 40% Cabernet Sauvignon, 12% Petit Verdot Planting density - Average vine age 31 years Vine growing conditions - Pruning method - Grape harvesting Hand picking in 60 liter crates Vinification Thermo -regulated stainless steel vats Maturing 12 months in oak barrels, 35% new barrels