We source the majority of our Zinfandel grapes from four blocks of dry-farmed vines at Tollini vineyards in Redwood Valley, north of Ukiah. The base wine, constituting half of this bottling, comes from a field of head-trained vines known as AT1, and another 30% is sourced from block AT2. These fields were originally planted by Al Tollini's grandfather back in 1932, making the vines genuinely old. Both AT1 and AT2 are head-trained on a six-foot-by-six-foot grid without a trellis or irrigation, allowing for easy weed removal as tractors can operate in both directions. AT1 is situated on sandy gravel, with a gravel company located about half a mile away, while AT2 is positioned above AT1, featuring thin soils and abundant rocks.

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