It may be cold, but spring is just over the horizon. You may have gardening questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension ...

Dear Dr. Dirt: My potatoes have little pinholes all over the leaves. Is this a bug or disease problem? — Will, Greenwood Dear Reader: Looking at the picture of the damage, it is a flea beetle problem.

Although most roots tend to grow (and stay) underground, sometimes those belonging to trees can make their way to the surface. While this isn’t something you necessarily notice out in the woods ...

Large trees often develop surface roots that can damage sidewalks, mower blades, and tree health. Mulch 2–3 inches deep to cover roots safely and reduce maintenance without harming the tree. Never cut ...

Area trees can be damaged by prolonged periods of rain. Prolonged periods of rain and over-saturation of tree roots can cause root rot, which can impact a tree’s ability to consume water and nutrients ...

We love the vibrant colors of maple trees in the fall. These deciduous beauties bring not only great color but also a recognizable leaf shape and (our favorite) whirlybird seeds that helicopter their ...

Much to the dismay of homeowners, landscape trees sometimes grow roots on top of the surface of the lawn or possibly even buckle sidewalks and driveways. These surface roots can be quite a nuisance to ...

The branches on one side of my sugar maple have been dying this summer. I found insects on the leaves of the tree last week and wonder if they are killing the branches. How should I treat my tree? It ...