leaning tree
Photo:
The best time to fix a leaning grower is the early fall, when leaf production has ceased and the ground is still warm enough to encourage root growth
Q: The 15-foot-tall blue spruce in our yard has a pronounced tilt, which seems to be getting worse as the tree grows larger. I fear it will topple over someday. How can we prevent this?

—J.A. Breidenstein, Round Hill, VA

A: Roger Cook replies: If you try to pull the tree upright without freeing the roots first, you'll probably tear them and kill the tree. Instead, dig a circle around the tree that's at least 10 inches across for each inch of trunk diameter and at least 2 feet deep. Only then should you attempt to straighten the tree using a truck, tractor, or a whole lot of neighborhood muscle. Just be sure to put a thick pad on the trunk so the cable or rope you're pulling on doesn't damage the bark.

Or you could save yourself a lot of work and hire a tree-moving company equipped with a truck-mounted tree spade to do the digging for you. As long as there's a way for the truck to pull up close to the tree, it can scoop it up, straighten it, and then lower it back down in a matter of minutes.

Whichever method you use, be sure to tie cables to the tree for at least a year to keep the wind from pushing it out of alignment before the roots reestablish themselves.
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