Answer: Unfortunately I do not think you can successfully transplant an eight year old wisteria tree. The roots on wisteria are extensive; they will be very deep and spread out over a wide area as well. If you try to dig it you will leave too many roots behind. And, the remaining roots may well sprout up all over. I would not recommend it.
As a general rule, roots do not bother a foundation or underground pipes that are in good condition. However if there is an imperfection the roots will exploit it and can make it worse.
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