DEAR JOAN: Every morning I observe a pair of squirrels climbing in our pine trees, which have been suffering for years from pine bark beetle infestation and are hanging on by a thread. One squirrel ...

You must be referring to a slash pine, as Norfolk Island pines have small needles. Anyway, I need you to look up in the tree. Do you see squirrels? They are the culprits. They will chew the green pine ...

As you admire your holiday decorations, pause to examine a pine cone (or a spruce cone or a fir cone). What is this dry, brown thing in your hand, with its airy rows of scales? Think of it as ...

Pine cones are all around us in holiday celebrations. Ever wondered which kind is which? Here's a guide to help you identify some common ones. Bristlecone pine: The cones are 1 1/2 to 4 inches long, ...