Are your garden plants stunted, shriveled, yellowing, or curling at the leaves, despite your best efforts to keep them alive? Check the undersides of the leaves, and you might find the culprit: large ...

Crape myrtles are commonly attacked by crape myrtle aphids. This often leads to a black fungus, called sooty mold, forming on leaves and branches in mid- to late summer. Control these insects by ...

Question: I think my peach tree has aphids, but how can I be sure? A: Green peach aphids are the most common aphids on peach trees. They are small and can be difficult to detect, but their damage is ...

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 ...

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 ...