Jun. 2—A government-funded campaign has begun spraying insecticides and biological agents on 240,000 acres of Maine's North Woods infested with spruce budworm, a voracious forest pest that killed ...

Fir trees in Oregon and Washington died in record-breaking numbers in 2022, according to as-yet unpublished research conducted by the U.S. Forest Service. Called “Firmageddon” by researchers, the ...

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 ...

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 ...

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 ...

Decking a live fir tree with lights and ornaments is an old Christmas tradition. But like any other crop, Christmas trees are already having to deal with the effects of a changing climate — and those ...