As Oregon gets hotter and drier due to climate change, tree-killing invasive pests that prefer warmer temperatures are thriving — endangering Sitka spruce along the coast, firs in the mountains and ...

(WSAW) - The Wisconsin Department of Natural Resources is asking landowners to be aware of an invasive species that has been detected in Michigan. Hemlock woolly adelgid target hemlock and fir trees.

MISSAUKEE COUNTY, MI — An invasive insect which attacks balsam trees has been found for a second time in Michigan. The Michigan Department of Agriculture and Rural Development (MDARD), said on Tuesday ...

White fir trees are part of the pine family, with a tall pyramidal form that brings a regal mountain magnificence to residential landscapes. This hardy evergreen conifer is lauded for its soft ...

The distinctive scent of fir trees is appealing to consumers and may also help repel pests and deer. UC Davis biologists are taking part in a new project to study how trees make these scents and to ...

There’s concerns about an invasive insect targeting Michigan’s firs — including Christmas trees. That could have impacts on the state's forests and $45 million Christmas tree industry. Invasive pests ...

Fir trees need cooler, wetter climates to survive Droughts linked to climate change boost pest infestations Wooded mountain slopes have seen 30-40% decrease in snowcover KALAVRYTA, Greece, July 24 ...