Can I speak with someone about what to expect with 4 sissoo trees planted in my back yard?
This article should help:
https://www.gardeningknowhow.com/ornamental/trees/sissoo/sissoo-tree-information.htm
my walkway and wall or should I have it removed?oved or
The only real way to resolve this situation will be to remove the whole tree. This, and remove the stump. It is best to consult a professional for this, so I would recommend contacting your local extension service for help.
https://www.gardeningknowhow.com/ornamental/trees/tgen/problem-tree-roots.htm