Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.
A guide for how to collect and where to get a sample analyzed for plant diseases.
A summary of the main trunk diseases causing issues in Oregon and management methods.
Thinning is the term foresters apply to removal of some trees from a stand to give others more room (and resources) to grow. It is a tool for improving timber value, making sites more productive, and — perhaps most commonly — for keeping trees healthy. Learn when to thin and how much to cut, and learn why the answer may be "it depends."