Most gardeners reach for a bit of twine or wire without thinking twice. You’ve got a tomato leaning against its stake, a rose branch that needs guiding, or a young tree wobbling in the breeze. You tie ...

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Dear Neil: I have an 8-year-old oak tree. It looks like it has a girdling root. Should we cut through the root in two places so it can be removed, or should we leave well enough alone. Have a question ...

During planting, if roots are left in a circle as they come out of the pot, the roots continue to grow in that position. The trunk continues to expand, and the circling roots continue to expand, until ...