The threat comes from HLB, also known as citrus greening, a tree virus spread by the very tiny Asian citrus psyllid.

With abundant harvests of juicy fruit, verdant year-round foliage, and vivid springtime blooms, growing citrus trees is gratifying work. But these trees are finicky about their environmental ...

Florida’s on track to have its worst orange season in nearly a century. The state’s citrus industry generates millions of ...

An ancient tree from India is now thriving in groves where citrus trees once flourished in Florida, and could help provide the nation with renewable energy. As large parts of the Sunshine State’s once ...

Although California has a long history of the commercial growing of oranges and other citrus, citrus trees are not native to California. Citrus is native to South and East Asia, Melanesia and ...

Every December in Southern California, the days get shorter yet brighter — and it’s not Christmas lights or the shifting sun that make the region shine. I’m talking about citrus. Trees heavy with ...

As Trevor Murphy pulls up to his dad's 20-acre (8-hectare) grove in one of the fastest-growing counties in the United States, he points to the cookie-cutter, one-story homes encroaching on the orange ...

The California Department of Food and Agriculture Thursday declared a new citrus quarantine in Valley Center after detecting the citrus tree disease known as Huanglongbing — or citrus greening — in ...

If you're looking to add a bit of tasty citrus to your indoor garden, consider an orange tree. Here's how to properly care ...

In a recent column, I solicited readers’ citrus stories. Some of your responses follow below: “I do not know the name of the variety of this wonderful citrus tree that bears seedless tangerines. It ...

Although California has a long history of the commercial growing of oranges and other citrus, citrus trees are not native to California. Citrus is native to South and East Asia, Melanesia and ...