Château Dudon Designation SAUTERNES Vineyard Size 10 ha 66 a 39 ca Soil type sandy-clay soil on limestone mother rock Vine varieties 85 % sémillon 15 % sauvignon Planting density - Average vine age 40 years Vine growing conditions - Pruning method spur Grape harvesting manual by successive tries Vinification traditional Maturing - Ageing 18 monthes in oak barrels