What is sudden oak death (SOD)?
Sudden oak death is a high level contagion often fatal to Coast live oak, Shreves oak, Black oak, Canyon oak, and Tanoak. The infection is spread by Ambrosia beetles(flying in spring & late summer), soil and/or root contacts and plant carriers like California Bay Laurel, rhododendrons. For complete up to date information go to The California Oak Mortality Task Force.