Garden columnist Dan Gill answers readers' questions each week. To send a question, email Gill at [email protected]. I have a problem with my navel orange tree. It is producing two types ...

Tired of buying flavorless fruit from the store? This process will have you enjoying a lifetime of oranges, so long as you ...

Q: I recently purchased a home with several mature navel orange trees. One of the trees has about half the bark missing from the trunk and sort of circular looking lesions that ooze sap in the area ...

VALLEY CENTERVALLEY CENTER — The California Department of Food and Agriculture on Thursday declared a new citrus quarantine in Valley Center after detecting the citrus tree disease known as ...

An apple tree with brown edges on most of the leaves. An old orange tree with mostly yellow leaves and dead branch tips in a frequently watered lawn. Mature English elms with almost no leaves all ...

With a bit of extra care and a lot of natural light, you can have a beautiful home orchard in no time. Oranges are a delicious part of any diet, providing a much-needed dose of vitamin C. A glass of ...

While wandering middle Alaska this summer, I noticed orange spruce trees along the entire length of the Denali Highway, from Paxson to Cantwell. In what looked like a dendrological case of frostbite, ...

Growing your own citrus can be a rewarding and fulfilling endeavor, and few trees are as beloved as the orange tree. With their vibrant, juicy fruits and delightful fragrance, orange trees not only ...

A genetically engineered tree holds promise to possibly save Florida's citrus industry from an insect that causes "greening disease." The Asian citrus psyllid has devastated the industry. Some Florida ...