These trees, which are prohibited near your home, are dangerous: check out the blacklist

A botanical beauty with sometimes serious consequences

The idea of planting a tree right next to one’s home appeals to many homeowners seeking shade in the summer and better air quality. However, certain tree species hide a very different technical reality. Take the magnolia, for example: this tree, often prized for its beauty, can cause surprising damage. Its falling leaves tend to severely clog gutters, while its wood can damage the roof if the tree is too close. Beyond these superficial inconveniences, other species directly threaten the very structure of the building. Despite their harmless appearance, they are capable of cracking foundations, warping driveways, or blocking underground utility lines.

The Blacklist: These Ten Species That Threaten Your Structure

Not all tree species coexist harmoniously with concrete and stone. Several trees are known for their vigorous root systems or invasive behavior. The poplar, for example, develops roots that can extend over twenty meters, causing the ground to heave and walls to crack. The weeping willow, despite its visual appeal, has an extremely aggressive root system that often targets pipes and concrete slabs. Similarly, the alder, naturally drawn to moisture, poses a threat to water pipes.

Large, sturdy trees such as the red oak and the sycamore anchor their roots with such force that they can damage foundations and underground utility lines and cause sidewalks to warp. Other species pose problems due to their shallow roots: this is the case with the silver maple, its cousin the sycamore maple, and certain varieties of pine, which weaken the soil and outdoor structures. Finally, soil stability can be compromised by the mimosa and its spreading roots, or by the black locust (false acacia), whose rapid growth and instability are considered unsuitable for residential settings.

Safe Alternatives and Guidelines to Follow

To safely landscape the area around a house, it is best to choose trees with moderate growth rates and non-invasive root systems. Rowan, birch, ornamental crabapple, and hawthorn are suitable options: they enhance the exterior without threatening underground infrastructure such as septic tanks.

Beyond the choice of tree species, compliance with the law is essential. The French Civil Code sets strict rules: any tree taller than 2 meters must be planted at least 2 meters from the property line. For plants shorter than this height, the minimum distance is 50 centimeters. To prevent neighborhood disputes and protect structures, it is recommended to maintain a safety distance of at least 3 meters. Before planting, it is essential to consult the Local Urban Planning Plan (PLU) to verify easements, rights of way, the presence of utility lines or power lines, and to determine whether a permit is required for certain protected species.

According to the source: monjardinmamaison.maison-travaux.fr

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These trees, which are prohibited near your home, are dangerous: check out the blacklist