As Oregonians prepare for Christmas, researchers are looking into how they can keep the state’s Christmas tree industry alive ...

In the lumber-centric Pacific Northwest, Douglas and noble fir are the classic choices for a Christmas tree — aromatic, good for ornaments and able to last a few weeks. But with hotter and drier ...

Oregon is the Christmas tree capital of the country, producing over 3 million of the festive evergreens every year.

Oregon officials have found the Mediterranean oak borer in six counties across the valley, just as another pest is killing ...

There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 million ...

Majestic oak trees have been capturing attention long before travelers on the Oregon Trail stopped their wagons and set up their new life. Indigenous people nurtured oaks for edible acorns, and ...

Christmas trees are big business in Oregon. In 2023 alone, the industry contributed $118 million to the state economy.

There is surely no shortage of Christmas trees in Oregon. Oregon is the largest producer of Christmas trees in the United States, harvesting around 4 million trees annually, according to World ...

Drought-stricken Oregon saw a historic die-off of fir trees in 2022 that left hillsides once lush with green conifers dotted with patches of red, dead trees. The damage to fir trees was so significant ...

One of the most destructive invasive insects in the United States has been detected in three more Oregon counties this summer, which could be bad news for the state’s ash trees. Federal and state ...

The Mediterranean oak borer, an invasive beetle known to transmit a sometimes fatal fungus to Oregon white oak trees, has been found in Marion and Polk counties. Summer trappings also showed that the ...