Larry Costello and his team have created species profile reports based on data from the Western Tree Failure Report Database. As reports are created they will be shared in Western Arborist magazine. FREE downloads are available here.
- Coast Live Oak (Quercus agrifolia)
- Blue Gum Eucalyptus (Eucalyptus globulus)
- Monterey Cypress (Hesperocyparis macrocarpa)
- Valley Oak (Quercus lobata)
- Italian Stone Pine (Pinus pinea)
Need more information? Want to ask a question? Have a tree failure to report? Please visit the Western Tree Failure Database Site. We want to hear from you!
Remember to donate before December 31st!
We’re teaming up with the Urban Forest Institute at Cal Poly to create bilingual tree-care training tools for professionals across the West. Your charitable contribution will help make this possible. Doug Anderson, Chair of The Britton Fund, will match the first 25 donations of $100 before December 31st. Donate today and DOUBLE your impact.

