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How Far from Buried Power Lines Can I Plant a Tree?
How Far from Buried Power Lines Can I Plant a Tree?. The extent and network of roots from trees in the landscape varies by plant species, especially concerning mature size. Regardless, tree roots extend well beyond the branch tips of the canopy. The farther a tree from utility lines, the better.
The extent and network of roots from trees in the landscape varies by plant species, especially concerning mature size. Regardless, tree roots extend well beyond the branch tips of the canopy. The farther a tree from utility lines, the better.
Significance
Colorado State University notes that only trees that mature to small size, such as around 20 feet tall, are appropriate around utility wires and poles. However, these same trees extend their roots far from the trunk. Even planting small trees too close to underground lines causes thick and fibrous roots to create a matrix around the cables.
Types
Avoid planting tree species known to develop extensive, shallow root systems when underground utilities exist. Red maple and magnolia trees grow roots close to the surface, and large-maturing trees like oaks and beeches are poor choices because of their massive, spreading root systems.
Prevention/Solution
Plant small-maturing trees no closer than 20 feet from underground power lines. Avoid large-growing trees altogether. Some fine, smaller diameter roots eventually reach the soil around the power cables, but are easily cut if necessary. These small, outer roots are quickly replaced and do not compromise the stability of the tree.
