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Unapologetically bold, spice-driven and jammy, Zinfandel has secured its title as the darling of California vintners by adapting well to the state's diverse microclimates and landscapes. Born in Croatia, it later made its way to southern Italy where it was named Primitivo. Fortunately, the imperial nursery of Vienna catalogued specimens of the vine, and it later made its way to New England in 1829. Parading the true American spirit, Zinfandel found a new home in California during the Gold Rush of 1849. Somm Secret—California's ancient vines of Zinfandel are those that survived the neglect of Prohibition; today these vines produce the most concentrated, ethereal and complex examples.
A narrow band of hills and valleys east of the city of Adelaide, the Adelaide Hills region is a diverse landscape featuring a variety of microclimates. In general it is moderate with high-altitude areas cooler and wetter compared to its warmer, lower areas.
Piccadilly Valley, the part of Adelaide Hills closest to the city, was first staked out by a grower named Brian Croser, in the 1970s for a cool spot to grow Chardonnay, then uncommon in Australia. Today a good amount of the Chardonnay goes to winemakers outside of the region.
Producers here experiment with other cool-climate loving aromatic varieties like Pinot Gris, Viognier and Riesling. Charming sparkling wine is also possible. On its north side, lower, west-facing slopes make full-bodied Shiraz.