In August 2012 , Silver Oak announced the acquisition of Sausal Vineyard and Winery , a boutique winery and vineyard in the Alexander Valley known for its variety of soils which had not been previously available to Silver Oak . In March 2014 , Silver Oak Cellars was visited by Hollywood A-listers Drew Barrymore , Reese Witherspoon , and Cameron Diaz . In July 2014 , a second generation Napa Valley winemaker Nate Weis joined the firm . On August 24 , Silver Oak was affected by the 2014 South Napa earthquake , although $ 32,500 worth of wine was saved thanks to Duncan 's decision to install steadier four-barrel racks after the 2006 fire in anticipation of a future earthquake
2014 South Napa earthquake
2014 South Napa earthquake
Silver Oak Cellars