Is that tree a pine, a fir or a spruce? Here's a handy guide to identifying the many species of trees populating Central ...

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 ...

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 ...

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

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 ...

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 ...