Sudden Oak Death is a tree disease caused by the plant pathogen Phytophthora ramorum. The disease kills some oak species and has had devastating effects on forests in California and Oregon. Read more about Sudden Oak Death.
Areas of Interest
P. ramorum in Wildlands The information in this section is geared toward land management, forestry and arboriculture professionals, including Best Management Practices.
New publication provides the definitive reconstruction of P. ramorum’s history in California.
Updated information on soil solarization treatment for infested nurseries. Read more…
Nurseries in Oregon and Washington found positive for P. ramorum. Read more…
Watch the videos and slideshows from the Fifth Sudden Oak Death Science Symposium
Help stop the spread of forest pests – including Sudden Oak Death – on firewood! Check out the website of the California Firewood Task Force.
Calendar of Events
6/8 – Los Altos Hills SOD Blitz; Los Altos Hills
6/15 – Sonoma SOD Blitz, Option 1 – Santa Rosa; Environmental Discovery Center
6/15 – Sonoma SOD Blitz, Option 2 – Sonoma Sonoma Community Center
6/15 – Sonoma SOD Blitz, Option 3 – Sebastopol; Veteran’s Memorial Bldg.