Orange cankers and cracked bark on chestnut trees may signal a destructive fungal disease that spreads more easily than many ...

Safeguarding your trees against pests is important to their health and longevity. Invasive species can wreak havoc by defoliating or infecting trees, and left untreated, can lead to loss of limbs and ...

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 ...

I received the following email from Doug Brooks, who gardens in Claremont. “For years, I have used some type of yearly insect control product to help protect my fruit trees. The last few years I have ...