Can Tree Roots Damage Retaining Walls. Their roots keep the soil in place and prevent erosion. Will the roots damage the wall??
Tree Roots Can Damage Sewer Lines, Crack Foundations and ... from buyersask.com
Perhaps but palm roots aren't woody expanders like other trees. 6 reasons retaining walls fail. The photo above shows a damaged retaining wall caused by roots from the tree eight feet away.
But in some cases, subsidence and structural damage can be linked to tree roots.
This change in grade has killed half the tree's roots. Try to avoid any grade change that will. Below ground, root damage is common from excavation and grade changes. This is the case even if development approval is not required.