Best plants for under power lines (low-growing trees)

Planting tall trees under power lines is the most common and most costly landscaping mistake in residential settings. Per Penn State Extension, utility companies in the US spend over $1 billion annually pruning or removing trees that conflict with power lines. These pruning interventions -- called.

Planting tall trees under power lines is the most common and most costly landscaping mistake in residential settings. Per Penn State Extension, utility companies in the US spend over $1 billion annually pruning or removing trees that conflict with power lines. These pruning interventions — called "topping" — permanently damage tree structure and create hazardous, short-lived specimens.

The correct solution is selecting trees that mature below the power line clearance height. Per Penn State, standard distribution power lines (the lines on residential utility poles) are typically at 25–35 feet. Trees that mature under 20–25 feet will not require utility pruning and will not develop into the misshapen, hazardous specimens that result from repeated topping.

Height verification

Per Penn State Extension, mature height on plant labels and in catalogs represents typical landscape specimens, not maximum biological height. Verify against Cooperative Extension sources. For utility zone planting, use 20 feet as the maximum mature height target, not 25 feet, to provide a safety margin.

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