The vast majority of forest restorations contain just one tree species—leaving them vulnerable to pests like the emerald ash ...

Trees tolerate high heat, but drought pushes them past their limits, causing lasting leaf damage, a new study finds.

Prescribed burning, when combined with tree retention, can effectively support natural regeneration in managed boreal forests ...

A pot of money for free tree plantings could soon branch out to another use. Arlington County’s Tree Canopy Fund helps people, places of worship and others get free trees, but there’s been little ...

IN THE SUPERIOR NATIONAL FOREST, Minn. — A team of researchers will be planting thousands of red oak trees in northern Minnesota over the next two years in an experiment designed to help the North ...

Pie cherries at O'Brien Garden and Trees. (Riley Board/KDLL) Michael O’Brien likes a challenge. That’s why O’Brien Garden and Trees in Nikiski is what he calls an experimental farm — he tries out ...

Here’s a terrifying experiment that will haunt your dreams, especially as winter comes on. You know those picturesque holiday cards that show pine trees in the snow? Those trees conceal literal death ...