We get to the root of the matter. Tree roots grow above ground due to erosion or natural growth over time. Most tree roots are shallow, staying near the surface to access nutrients. Use mulch to ...

Roots belong underground. So why do we often find visible tree roots snaking along the soil surface in the lawn or garden? Some kinds of trees, such as maples, poplars and willows, naturally have ...

I’ve had some recent interactions with people frustrated by tree roots that surface, causing mowing difficulties and potential ankle-twisting opportunities. What can be done with surface roots?

Tree roots growing at or slightly above the soil surface are called surface roots. Homeowners having trees with these surface roots are frustrated with the additional challenges posed by mowing and ...

Q: Soil and grass keep washing away around a large oak in our lawn, exposing more tree roots plus creating more of a downward slope. A friend says to pile up mulch to cover it and create a volcano ...

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 ...

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 ...