TORRETTA, Sicily — Watching Giovanni Caruso prune an olive tree is like observing a mountain climber decide how to reach the next hand-grip in a cliff. He chooses his path with deliberation. He even ...

Q: I have two mature olive trees in my back yard. They do not fruit. I would like to know how much to water them especially now in the hot Tucson summer. Also both have sprouted suckers and I am not ...

Here’s how to care for this beautiful tree.

There is a difference between trees that grow in a forest and trees that grow in your yard. They may be the exact same species, but the tree growing in the wild among other trees will likely get much ...