Garden columnist Dan Gill answers readers' questions each week. To send a question, email Gill at gnogardening@agcenter.lsu.edu. My problem is with black stuff on my crape myrtles' leaves and bark. It ...

If you want your citrus trees to produce an abundance of healthy fruit in winter, now is the time to care for them. I grew up in Arizona, where I had no appreciation for the absurd quantities of ...

In Fielding Questions, reader also shared about a sprouting Christmas tree and asked for more information about cardboard for weed control.

Scout for aphids on fruit trees at least twice a week. The first place to check is on the undersides of leaves at the ends of twigs and branches. Aphid feeding can cause leaves to curl or twist. It ...