USDA/APHIS, in collaboration with the CDFA, has expanded the quarantine area for citrus greening due to new detections in ...

Sweet orange scab is a fungal pathogen that's already been found in Orange County. Here's what you need to know if you have ...

The real threat to the city’s palm-lined avenues is disease: lethal bronzing and lethal yellowing, said Horticulture ...

Green said the patch of grass and trees is more than just a corner reserve. “It is a living, breathing community space where ...

First, cut out all of the infected branch tips and leaves that you can reach and throw them out with the trash. Next spring, ...

Insect pests and diseases are usually not a problem. The root system is not aggressive so the tree may be planted near the ...

Citrus sold in grocery stores are just a small fraction of the varieties that can be grown in your own yard. From grapefruit ...

Tree species that need to be protected are thin-barked trees such as Honey locust, Willow, Ashes, Maples, Lindens and fruit trees. The ideal time to wrap trees is early to mid-Nov ...

Apricot trees may not be ideally suited for our climate, but it depends on the variety. They were once common in nearly every ...

Apricot trees might not be the best suited for our climate, although it depends on the variety. They were once common in many ...

If you want your olive tree to stick around, for its edible offerings or chic look, follow this pruning advice from the ...

Infected male alpine tree frogs set about fathering far more offspring, helping avoid extinction in the wild – for now.