Which trees are safest near structures?

Selecting trees with non-intrusive root systems helps prevent structural damage to homes and utilities in the vicinity. Such trees are usually oaks and maples, given proper space. The deep, vertical root systems have little effect on the surface of the ground while increasing anchorage. The right trees have the acceptable characteristics to prevent damage to utilities or structures.

Species that grow slowly cause much less trouble than fast colonizers. For instance, oaks add only 30-60 cm a year to their height, while willows increase by 2 m a year. This slow change gives the roots in any locality time to consolidate themselves, without causing tremendous soil displacement. There will be no lifting of pavements or excessive pressure on the foundation for extended periods.

Deep taproots hold trees firmly in place without much lateral spread. This system extends 1 to 2 meters down into the water table located directly below. They do not spread out laterally, where they harm pipes and sidewalks. Hickory species continue to do this even in well-maintained urban areas.

Drought-resistant varieties are less likely to exhibit moisture-seeking habits. Trees that require less water will not search vigorously for leaks in the pipes. Kentucky coffeetree and others can withstand arid periods without invading the foundations of houses. Their low water needs make them desirable for use in drains and basements.

Verify mature sizes before planting. Consult with certified arborists about site soils. A root barrier can be included during the installation for added protection. Following these steps helps ensure that trees and structures coexist safely for generations, with minimal maintenance and no costly repairs.

Read the full article: 7 Essential Facts About Tree Root Systems