Galls on oak leaves are harmless growths caused by specific insects. They have different shapes depending on the insect species causing the gall.

When the current owner’s grandmother bought Cadenham Manor in 1945, she spent years developing the four-acre garden — recently featured in the ‘Rivals’ TV series. And there is much to quicken the puls ...

Seiridium canker got its start in Texas on Leyland cypresses 25 or 30 years ago and now has killed a huge percentage of the ...

Oak trees are a vital part of both urban neighborhoods and natural ecosystems. Experts issue warning as hidden pathogen ...

The Maryland Department of Agriculture has reported an outbreak of defoliating caterpillars in Western Maryland.

"Trees can enhance a residential garden in several ways, particularly by adding to the landscape’s beauty," writes columnist ...