Ash Tree, Emerald Ash Borer
To whom it may concern: I would like to build a treehouse for my grandson around the tree, not pounding nails into it. My wife thinks it's diseased. It's 20+ years old. Even if it's diseased, I am hopeful to move ahead with the project. If diseased, is there a treatment available for it? Life expectancy? Thanks - Tom - welcome to call my cell any time and or email...612.210.5049 - Sincerely....
Hennepin County Minnesota
Thank you for writing.
A charming question. If the ash has borer, it should be removed so that the tree does not serve as a breeding post. We are still trying to contain this pest because of the huge part that ash trees play in the urban forests. https://extension.umn.edu/tree-and-shrub-insects/emerald-ash-borers https://www.mda.state.mn.us/eab
I suggest having an arborist diagnose and remove the tree if it has borer. https://extension.umn.edu/planting-and-growing-guides/how-hire-tree-care-professional
The wood has to be disposed of properly. A lovely tree house under a fast growing tree should work. https://arbordayblog.org/landscapedesign/the-fastest-fast-growing-trees/