Tree Care questions, answered
How do I know if a tree is dangerous?
Warning signs include large dead branches, cracks in the trunk or main limbs, a weak V-shaped union between two stems, mushrooms or conks at the base, cavities, roots lifting soil on one side and a new lean. If you notice any of these on a tree near your home, driveway or play area, have an arborist assess it.
Is topping a tree ever a good idea?
Topping, which means cutting main stems back to stubs, generally harms trees. It leads to decay, weak regrowth and often a more hazardous tree. Proper reduction cuts or selective removal are better ways to reduce size.
When is the best time to prune trees?
For many trees, late fall through winter while dormant is a good time for structural pruning. Dead, broken or hazardous branches can be removed any time. Some species have specific timing recommendations; ask an arborist about your trees.
Do I need a permit to remove a tree?
It depends on where you live and the tree. Many cities protect large trees, heritage trees, street trees or certain species. Check with your city or county before removing a large tree, or ask the contractor to confirm.
Who is responsible for trees near power lines?
Utilities usually maintain clearance around their lines. Never trim near lines yourself. Contact your electric utility; they can tell you whether they'll handle the work or what qualified contractors are required.
What's the difference between stump grinding and stump removal?
Grinding chews the stump into chips below the soil surface and leaves deeper roots to decay. Removal pulls out the stump and much of the root ball. Grinding is faster and less disruptive; removal is sometimes needed before building in the same spot.
How much of a tree can be pruned at once?
Removing too much live canopy in one session stresses a tree. A knowledgeable arborist will remove only what's needed and spread larger reductions over several years.
Can a leaning tree be saved?
A tree that has leaned gradually as it grew toward light is often stable. A tree that has started leaning suddenly, especially with soil heaving or roots exposed on the opposite side, may be failing and should be assessed right away.
What should I ask before hiring a tree service?
Ask what work they'll do and why, how they'll protect your property, whether a permit is needed, what cleanup is included, whether they'll avoid topping and climbing spikes on trees that are staying, and for proof of their insurance.
Why are my tree's leaves turning brown in summer?
Common causes include drought stress, root damage from construction or soil compaction, pests and diseases. In hot, dry climates, deep watering during long dry spells helps many established trees. An arborist can diagnose the cause.
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