When the beetle kills the native Oregon ash trees, no other trees can fully replace them. Other trees, like cottonwood and willow, can’t thrive in the same conditions.

Oregon ash is one of 16 North American ash species and the only one native to the Pacific Northwest. The trees are most prevalent in the Willamette Valley west of the Cascades and along the ...

The emerald ash borer, an invasive beetle known for decimating ash trees throughout North America and Europe, was recently discovered in Oregon, Oregon Department of Forestry officials warn.

Native trees are the anchors of habitats, providing food, shade, shelter and nesting areas for wildlife. ... prairie crabapple in the Great Plains; and Oregon crabapple in the Northwest.

She was sure it was an emerald ash borer, the invasive beetle species that has decimated North American ash tree populations over the past 20 years and recently was found in Oregon for the first time.

In Oregon, an estimated 25% of historic oak habitat has survived and only 1% of native prairies due to clearing for commercial tree plantations, pasture or development.. Through the Decade of the ...

PORTLAND, Ore. (KPTV) - The Portland Timbers have unveiled new kits that are inspired by native trees of Oregon. The 2024 Nature Unites community kit will debut during the Timbers’ match against ...

Unfrozen grant for Oregon Indigenous farm to help plant native trees, further traditional knowledge. Published 6:29 am Thursday, April 24, 2025 ...

According to an Oregon State University study, a mature juniper tree uses 4,718 gallons of water annually. The amount increases in wet years and decreases in dry years.

Wirth estimates there are about 200 acres of native Oregon ash trees on his family’s farm. With the recent arrival of the invasive and highly destructive emerald ash borer, he worries they will ...

The invasive pest native to Europe, the Middle East and North Africa — could spell trouble for the Oregon white oak, an iconic species that was once the dominant tree in the Willamette Valley.