What shape is a tree? For most people, it’s like a lollipop or a feather duster: a single trunk topped by a green bunch of branches and leaves. “Not all trees are like that,” said Sharon Yiesla, plant ...

Question: We have a lime and avocado tree. Do I clear the sod out from underneath the trees and, if so, how much to remove? Answer: Many gardeners may remember the spaces of clear soil under citrus ...