The truffle orchards of Northern California

Amazing progress has been made in Northern California in the field of truffle cultivation. Pictured here is a Perigord truffle native to Europe that was successfully grown and harvested in a winery's orchard of hazelnut and white oak. Inoculated tree saplings were planted and it has been several years in the making and farmers are now beginning to see the fruits of their labor. 

San Francisco Chronicle: Ground-breaking truffle harvest portends something big in California