Harm the tree - Knowledgebase Question

st. Paul, Mi
Question by jcferralez
July 1, 2009
I want to install a patio floor (pavers or cement) under our tree. Will this harm the tree ? It is a mature white ash with a trunk diameter of 18

Answer from NGA
July 1, 2009


It is generally not a good idea to add fill over the roots of a tree, but if you set a base of sand and then place your pavers on the sand, rainwater will still be able to percolate down to the roots. As long as you do not pour a solid cement patio beneath the tree I think it will be alright.

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