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Silviculture
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What's Wrong With My Tree?
Are you worried about a tree on your property? Oregon State University Extension Service Foresters help you learn about individual tree needs, how to detect and describe symptoms of poor tree health, and to decide whether you need to take further action.
Why are these Ponderosa pines so strange?
Q: About 1 in 3,000 of the Ponderosa pines in Shevlin Park (Bend, OR) have one or more bizarre branches (see photo). The branches emerge from the tree trunk about 6 to 15 feet from the ground, and have a large diameter. ...
The madrones look troubled, how can I help?
Q: Do madrones have a short life cycle? Is something killing them? What can I do to help them thrive?
How do I know if my tree is healthy?
Are you worried about a tree on your property? Oregon State University Extension Service Foresters help you learn about individual tree needs, how to detect and describe symptoms of poor tree health, and to decide whether you need to take further action.
Sudden Oak Death: Prevention, Recognition, Restoration
A guide for homeowners, small woodland owners, resource managers, and conservation groups to recognize, prevent, and manage Sudden Oak Death. This publication can be downloaded in two different formats. The "PDF" button will provide...
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