
- About Us
- OUR Team
- OUR Mission
- Equity Statement
- …
- About Us
- OUR Team
- OUR Mission
- Equity Statement
- About Us
- OUR Team
- OUR Mission
- Equity Statement
- …
- About Us
- OUR Team
- OUR Mission
- Equity Statement
Explore and Learn
Discover articles, videos, podcasts, and more to deepen your understadning of trees, urban forestry, and community greening efforts. Whether you're a curious beginner or a seasoned tree lover there's something here for you.
Arborist, Arboriculture, Forester, Urban Forestry - What’s the difference?
Tune in for a thoughtful and informative look at the people who care for our urban trees and the science behind their work with Portland-based arborist Casey Clapp and his co-host Alex Crowson on their fascinating and entertaining podcast Completely Arbortrary.


Why we don’t plant Ash trees: Learn about the Emerald Ash Borer and How to Protect Our Ash Trees
The emerald ash borer (EAB) is an invasive beetle that poses a serious threat to ash trees across Oregon. Due to the growing threat of EAB in our region, OUR Community Forestry does not plant ash trees as part of our tree planting programs.
Check out these pocket guides to help you identify ash trees and learn steps you can take to help protect them.
Emerald Ash Borer Pocket Guide (English)
Emerald Ash Borer Pocket Guide (Spanish)For more detailed information, including how to identify EAB, recognize signs of infestation, and report sightings, visit the EAB information page.
The Oregon Department of Forestry has also created a short, informative video that explains what EAB is, how it spreads, and the potential impacts on urban forests.






