Bob Ponzo has farmed these vines in the Russian River Valley for over 40 years. The vineyard, planted on deep gravelly loam soils, is four and a half miles south of Lytton Springs. Here, the Russian River Valley’s cooler microclimate ripens the grapes later than at Lytton Springs and Geyserville. Small amounts of petite sirah are interplanted with zinfandel in the oldest block.
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