I have a pine tree about 18 feet high with a trunk a foot in diameter
just above the ground.
A root has grown under my sidewalk to my townhouse front door, about 5
feet from the tree, lifting up the sidewalk. If I cut that one root
out, is it going to hurt the tree?
Do I need to paint the stub with that black tar they sell for pruning?
I have a small never-used can somewhere, but it's buried under all my
junk and I'd have to hunt or buy a new can.
Do I need to do something to keep the root from growing again and
lifting the sidewalk again?
(A guy doing the neighborhood sidewalks volunteered one of his men who
cut this section from the adjacent section at the line. I should be
able to lift it up myself, with a 2x4.)
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