Domaines Schlumberger – Riesling Grand Cru Kessler Designation AOC ALSACE GRAND CRU Vineyard Size -- Soil type Sandstone Vine varieties Riesling Planting density -- Average vine age -- Vine growing conditions -- Pruning method -- Grape harvesting Whole grape pressing Vinification Fermentation in thermocontrolled tuns for 1 to 4 months Maturing Ageing on fine lees for 8 months