As part of OSU Extension's 2023 Tree Health Webinar Series, Glenn Ahrens joins to discuss the current forest health outlook for alder and broadleaf trees. Glenn Ahrens is an Extension forester with Oregon State University Extension.

This 4-part webinar series features ODF, USFS, and OSU Extension experts on some of our Willamette Valley and Northwest Oregon tree species. Tune in to learn about current health issues impacting some of our common species, what it means for your trees, and what you can do. Each webinar will feature 30 minutes of presentation and 30 minutes for Q&A.

Download slides as PDF.

Resources:

• Rapid Retreat of the Pacific Maritime Forest
• USFS Forest Health Protection
• Oregon Ash: Insects, Pathogens, and Tree Health
• Emerald ash borer resources
• Oregon Department of Forestry Tree Health