How to build a retaining wall over tree roots
Building a retaining wall too close to a tree can harm its roots, making it difficult to find a safe way to construct the structure without damaging the tree. Homeowners often struggle to balance the wall design around sharp turns and corners while avoiding worst-case scenarios for the tree's health.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1curve the wall into the property to clear roots
- 2leave a break in the wall
- 3restarting the project and laying a proper level base
- 4using crushed gravel or washed stone for backfill
- 5cutting the backs or sides of the blocks at an angle to fit tighter corners
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“The sharp turn has proven difficult to balance out and make the blocks overlap seamlessly.”source ↗
“Do you think the corner looks ok? I don't mind if it looks messy, but I want to avoid worst case scenarios if it stays this way.”source ↗
“Yeah it's me doing it. Thank you! I'll re-start it, level, and add the backfill.”source ↗
Where this came up
People with this problem also raised
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- 9How to kill volunteer trees near a house without herbicides
- 2Can I add soil around an old tree trunk to fix erosion?
- 7How to fix sunken ground from decaying tree roots without excavating