Garden columnist Dan Gill answers readers' questions each week. To send a question, email Gill at gnogardening@agcenter.lsu.edu. I have a problem with my navel orange tree. It is producing two types ...

FORT PIERCE, Fla. - There seem to be more tractors tearing up St. Lucie County’s old citrus groves than tending them these days. This county once had more orange and grapefruit trees than almost any ...

Don’t panic if you see spots on your tree’s leaves or something strange on the bark. Get to work diagnosing the problem with this guide that features pictures of common tree diseases and pests that ...

An apple tree with brown edges on most of the leaves. An old orange tree with mostly yellow leaves and dead branch tips in a frequently watered lawn. Mature English elms with almost no leaves all ...