in the vineyard : New virus-free material ensures that grapes can be picked at full ripeness resulting in complex, full-bodied wines. The vines are trellised on a 5-wire hedge system, have an average yield of 7 tonnes per hectare, are grafted onto 101-14 Mgt and have an average age of 11-15 years. The vines are planted on loamy sand and weathered granite soil, on the lower slopes.