The Michigan Department of Natural Resources is urging people to pause any pruning of oak trees to help stop the spread of a deadly tree disease. The risk of oak wilt, an invasive fungal disease that ...

Anthracnose, a fungal disease affecting maple trees, is prevalent in Greater Columbus due to the cool, wet spring. The disease causes brown leaf spots, curling leaves and premature leaf drop, but ...

Some trees and shrubs have a bad reputation for being susceptible to diseases: lilacs to powdery mildew, junipers to juniper tip blight, flowering crabapples to apple scab, and elms to Dutch elm ...

Oak trees produce acorns in abundance every few years in a process known as mast seeding. Two years later, Lyme disease follows like clockwork. As hikers return to lush trails each summer, ready to ...