Black knot is a fungal disease that disfigures certain flowering trees. Control the disease by pruning in February through March.

A major breakthrough could help save the world’s bananas from a devastating disease. Scientists have discovered the exact ...

In TODAY.com's Expert Tip of the Day, a cardiologist weighs in on "Frank's sign," a subtle feature on a specific body part that may predict your risk of underlying heart disease.

If neglected, mistletoe infestations can overwhelm trees and almost literally suck the life out of them. There is no perfect treatment, but with persistence, it can be minimized, writes columnist Bill ...