When planting trees around distribution overhead power lines typically found in residential areas, homeowners can help prevent service interruptions and minimize the need for pruning in the future - just by following a few simple guidelines.
The key is to select the right kind of tree for the location. If possible, avoid planting any tree directly underneath power lines. And, as the diagram shows, make sure any tree planted within 20 feet of neighborhood power lines is a variety that will grow to a mature height of 25 feet or less. Small trees such as flowering crabapple, dogwood or serviceberry are ideal for these locations. In addition, such trees often feature smaller root structures. So they're also less likely to crack sidewalks and driveways or to clog underground drain lines.
Plant taller trees farther away to ensure they can't grow into power lines. At distances of 20 to 50 feet, plant trees that grow to a height of 40 feet or less. For instance, linden or magnolia trees are a good choice in these areas.
If you want to plant a tree that grows tall, such as a maple, oak, pine or spruce, make sure it's at least 50 feet from the nearest residential overhead lines.
Around long distance, high voltage transmission lines, more clearance is usually necessary. Before planting any tree near a transmission right-of-way, check the requirements of your property's easement.
There are a number of tree varieties that are specifically not recommended for use near overhead lines of any kind. The disadvantages of these trees include brittleness - which makes them vulnerable to storm damage - or susceptibility to disease and insect infestations. Trees to avoid for these reasons include:
Whether you're looking for more summer shade, an effective windbreak or just to enhance the beauty of your property, start by selecting the right tree for your location. Consult with your local nurseryperson or your county agricultural extension agent. If you have any questions, call the toll-free Customer Service number for your area and ask for our regional Forestry Services Staff, or feel free to e-mail your concerns/inquiries by contacting us.
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