Streetlights left on all night cause leaves to become so tough that insects cannot eat them, threatening the food chain, a study has found. “We noticed that, compared with natural ecosystems, tree ...

Q. I have several fruit trees on my property. My pear tree had a fungal disease last year. Is there something I can do now to prevent problems from happening again this season? -- Peter, Barryville A.

Based on the photo we have sent, what is wrong with our oak tree? Is there something that we should be doing to ensure its health? — Mitchell and Anna Jones, Libertyville From your photo, I can see ...

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 ...

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 ...