Q: We excavated a trench for drainage near an oak tree. At the closest point, we are maybe 12 feet from the trunk of the tree. We did not break any roots larger than about 3/4 inch. Will the tree live ...

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 ...

Newly planted container-grown trees need daily watering for several weeks, then twice weekly through the first summer and fall, and weekly for the following two summers. Ball and burlap trees require ...

It was another snowless morning when Ben Rickenbacker, Denver's forestry operations manager, examined the cracked soil beneath a blue spruce in Huston Lake Park. A worker soon arrived with a hose ...