Winemaker Notes
Capable of a vast array of styles, Sauvignon Blanc is a crisp, refreshing variety that equally reflects both terroir and varietal character. Though it can vary depending on where it is grown, a couple of commonalities always exist—namely, zesty acidity and intense aromatics. This variety is of French provenance. Somm Secret—Along with Cabernet Franc, Sauvignon Blanc is a proud parent of Cabernet Sauvignon. That green bell pepper aroma that all three varieties share is no coincidence—it comes from a high concentration of pyrazines (herbaceous aromatic compounds) inherent to each member of the family.
Distinguished by a thin, subterranean band of crumbled, red clay loam, Coonawarra is a fairly flat, otherwise unobtrusive region with a cool Mediterranean climate, actually not dissimilar to Bordeaux.
In Coonawarra, this unique layer of red clay is called, "terra rossa" and gets its color from iron oxide. The terra rossa soil overlies soft, penetrable limestone, in a continuous area that is part of the Limestone Coast zone of South Australia. This uncommon layering of soils creates a substrate that is both well draining and at the same time, offers good water retention to support vine roots through dry summers.
Not surprisingly, Coonawara experiences great success with the Bordeaux varieties, namely Cabernet Sauvignon and Merlot, but also Shiraz. However Cabernet reigns superior and accounts for half of the Coonawarra harvest each year. Coonawarra Cabernet Sauvignon develops powerful, yet polished tannins, ripe, red berry fruit and often sweet herb or dried mint qualities. The region has an increased focus on the individual expressions of single vineyards.