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 ...

Some Costa Mesa residents are being notified citrus trees in their yards may need to be sprayed with insecticide or removed, after state agriculture officials confirmed the detection of harmful ...

If you want your citrus trees to produce an abundance of healthy fruit in winter, now is the time to care for them. Amanda Blum is a freelancer who writes about smart home technology, gardening, and ...

Asian citrus psyllids, invasive insects that measure about one-eighth of an inch long, can spread bacteria that kill citrus trees. California Department of Food and Agriculture Associated Press An ...

Scientists at the University of Florida are testing a new type of citrus tree that can fight off the tiny insects responsible for citrus greening. It is one of the most promising discoveries to date ...

Many people have a potted citrus plant or two that they keep indoors during the winter and move outdoors for the summer. It may be one of those dwarf trees that produce full-sized fruit. Or it could ...

The recent discovery of citrus trees in Rancho Bernardo’s Westwood neighborhood with the bacterial disease Huanglongbing means a 95-square-mile area in north inland San Diego has been placed under ...

About 12,000 citrus trees in St. Charles Parish are in danger from a tiny insect that carries an incurable disease. Though no cases of citrus greening disease have been reported in the parish and only ...

In a new strategy to combat citrus greening disease, scientists have engineered citrus trees to act as both bait and executioner for the insects that spread the disease. Using virus-induced gene ...