Fruit was sourced from various prime vineyard sites in Marlborough’s Southern Valleys and the central Wairau Plains, specifically in Woodbourne, Renwick and Rapaura. Soil types vary from the young alluvial soils of Rapaura and Renwick, which contain high proportions of New Zealand’s ubiquitous greywacke river stones, to the older and denser clay-loams of the Southern Valleys. The majority of the vineyards were trained using the divided Scott Henry canopy management system, with the balance on a two- or three-cane VSP (vertical shoot positioning) trellis.
Sauvignon blanc was harvested largely by machine during the cool (often cold) night-time conditions. Fruit was harvested directly into half-tonne bins, which were tipped directly into a tank press. The grapes were pressed relatively lightly and the resulting juice was cold-settled prior to fermentation. The juice was fermented in stainless steel tanks, primarily using cultured yeast with a cool, slow fermentation. A portion was allowed to undergo spontaneous indigenous yeast fermentation using slightly warmer fermentation regimes. All individual vineyard batches were left on lees and kept separate until late July, when the blend was assembled. The wine was bottled in late August with alcohol 13.3%, pH 3.08 and acidity 7.1 g/l.
Greywacke is the exciting new venture of Kevin Judd, formerly chief winemaker at Cloudy Bay from its inception in 1986 until 2008.
The name "Greywacke" was adopted by Kevin and his wife Kimberley for their first Marlborough vineyard located in Rapaura, named in recognition of the high prevalence of rounded greywacke river stones in the soils of the vineyard, a sedimentary rock which is widely found in Marlborough.
Fruit was sourced from various vineyard sites in and around the Brancott Valley and the central Wairau Plains, specifically in Woodbourne, Renwick and Rapaura. Soil types vary from the young alluvial soils of Rapaura and Renwick, which contain high proportions of greywacke river stones, to the older and denser clayloam gravels of the Southern Valleys.
100% Sauvignon Blanc
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