A plant expert wants to remind gardeners that they must remain vigilant to prevent an insect infestation that will kill their citrus trees. “We have in California a fatal and incurable citrus disease, ...

The California Department of Food and Agriculture declared a new citrus quarantine in Ramona this week after two citrus trees in a residential area tested positive for Huanglongbing, a citrus greening ...

Q: I saw your newspaper column and wondered if you could help me. A year ago I lost a grapefruit tree. It started with one branch rotting and continued to the trunk of the tree. Now the back branches ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Disease-resistant trees allow you to cultivate a vibrant landscape that isn't only visually appealing but is also easier to maintain. These tree varieties can survive or fend off infections due to ...

The seasons are changing from fall to winter, and one of the major changes to the environment is that the deciduous trees have lost their leaves. Evergreen trees may still have green needles, but all ...

Don't stress if you have a tree that's not looking its best in the bark department. You can save a tree with damaged bark by first assessing the type of damage. Once you know the severity, you have a ...

5 things to do in the garden this week: 1. Begin to fertilize citrus trees now for maximum flowering and fruit development. Jack Christensen, who authored the things to do column for many years until ...