Dutch elm disease is caused by a fungus and is highly lethal to elm trees. It can be spread through root grafts, elm bark ...

Self-sown plants can be very resilient and are a bonus for any garden. I’ve often thought this and was delighted to see the results of a research trial on Ash dieback disease. The study was reported ...

PORTLAND, Ore. (KOIN) – The dreaded emerald ash borer has made its way into Portland, and it poses a threat to every ash tree in the city. The invasive beetle from East Asia has already had a ...

The emerald ash borer, a tiny yet destructive invasive beetle known for wiping out ash trees on a large scale, has been confirmed at six new locations in northwest Oregon. First discovered in Forest ...

The emerald ash borer, a tiny yet destructive invasive beetle, has been confirmed in Aurora. That's prompting officials in the Colorado city to remove or treat infected trees and encourage residents ...

An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many ash trees that cool residential neighborhoods on hot summer days. On Wednesday, Oregon forestry officials ...

The West Fargo Park District hopes to keep the South Elmwood Park tree belts healthy so they can thrive well into the future. However, removing a large number of trees in the near future may be the ...

Emerald ash borers decimated ash trees at South Kingstown's Kinney Azalea Gardens, but there's still plenty to see. Visitors can watch artist Shawndavid Berry turn the blighted trees into unique art.

The emerald ash borer, an invasive beetle that’s already killed millions of trees across the country, was found in Southeast Portland this summer. Since its arrival in the United States, this tiny ...

The California Department of Food and Agriculture issued a citrus quarantine this week for northern San Diego County and part of Marine Corps Base Camp Pendleton. The quarantine was issued after state ...

On Wednesday, the Oregon Department of Forestry announced that the emerald ash borer has now been found in the Hazelwood neighborhood in East Portland and five other new sites in the north Willamette ...