Broc Cellars Wirth Zinfandel 2017
Product details
| Management number | 253563668 | Release Date | 2026/10/24 | List Price | CA$14.80 | Model Number | 253563668 | ||
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The Wirth Zinfandel comes from Wirth Ranch, a single site on the western edge of Solano County Green Valley AVA, just southeast of Napa Valley. The vines were planted in 1948 and are dry-farmed on steep-sloped, iron-rich volcanic soils by second-generation farmer Steve Wirth. At roughly 75 years old at time of harvest, they yield a small, concentrated crop — approximately one ton per acre — that gives the wine more structure and depth than most California Zinfandel.
Winemaker Chris Brockway destemmed the fruit with a portion of whole clusters included, then fermented it in stainless steel open-top tanks with twice-daily pump-overs using only native yeasts. No commercial yeast, enzymes, nutrients, or other additives were used. The wine aged for 10 months in 60-gallon neutral French oak barriques before bottling with minimal SO2.
The result is a Zinfandel built on freshness and structure rather than extraction and heat. Fog regularly rolls up from San Francisco Bay across the Wirth Ranch slopes, keeping the climate cool and preserving the kind of natural acidity that lets this wine sit at 12% ABV without feeling thin. Notes of cherry, clove, and baking spice sit over fine, dusty tannins and a floral lift that reads closer to cool-climate Grenache than typical California Zin.
Broc has sourced Zinfandel from Wirth Ranch since 2002, making this one of the winery's most deeply rooted single-vineyard relationships. The 2017 is drinking well now and has the structure to continue developing for several more years.
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