Spotty leaves, cracked trunks, mushroom invasions ... Two certified arborists explain how to best take care of your trees.

Q: I’m attaching photos of the exposed roots of a maple tree in my yard. Since the roots are now so exposed, I can’t mow over them and I’m wondering if I can cover them with dirt and reseed grass? — ...

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 ...

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 ...

We don’t often think about the roots of trees until there is a problem. A forester friend of mine called it a “fencepost mentality.” Being underground, they are often out of sight out of mind. However ...

Root rot is a common problem with trees, even large ones. It's caused by soil holding too much moisture, usually from poor ...

We want to say no to mulch volcanoes,” says Emily Porter with the University of Maryland Extension. “This is happening way ...

MAIN LIBRARY — Trees throughout Santa Monica may be in bad shape because of faulty roots and other ailments, a situation that could have been prevented by proper selection and planting procedures, ...

For all the attention we give our flower beds, trees are an indispensable part of our landscape. Oaks, pecans, magnolias and others add shade, character and beauty to our yards. But behind their ...