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 ...

ARS scientists made a "sweet" discovery that may be important to solving a major problem within the citrus industry. Huanglongbing (HLB), also known as citrus greening disease, poses a serious threat ...

The softball-sized fruits of the Osage orange may have evolved to be eaten by extinct megafauna, and their wood is ideal for making archery bows and warm fires. The fruits of the Osage orange tree, ...