Currently we have a blackberry kettle sour called Bramble Ramble on tap. Another seasonal is Cruzerweisse (a Berlinerweiss) which is available several months out of the year. In bottles we have 2 barrel aged fruited farmhouse ales, a saison with Meyer lemon and a red with tart cherries. These are part of the Woodland Critters series of barrel aged sours that support the Land Trust of Santa Cruz County.
Sante Adairius Rustic Ales has sours. They're just down the street in Santa Cruz about a mile or so.
They did not have sours any of the times I visited but it is possible they have added beers since then
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