November through February is the best time to plant hardy trees, shrubs, ground covers and vines. If you have been thinking about adding a shade tree to your landscape, now is a great time to do it.

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 ...

Some of the wonders of modern medicine are technologies that enable doctors to look inside us without surgery. Now, the same principles are being applied to trees, which may end up benefiting some of ...