UC ANR research shows fungi are increasingly causing trees to decline and die. Scientists found 10 woody plant species in six ...

Mark Harmon crouches low next to log number 219: a moss-covered western hemlock tree trunk, five meters long, lying dead on ...

If you're wanting to make your yard more wildlife friendly to attract birds and butterflies, there's one magnificent tree you ...

Forest ecologist Mark Harmon has been exhaustively examining dead logs for 40 years, and he’s found a complex world few ...

Should you trim trees in fall? Learn from certified arborists whether you should trim trees in the fall or wait until the spring.

From leaves to bark, learning tree identification is easier than you think. This video covers more fascinating tree facts and tips to spot them in the wild.

In recent years, fall and winter in the Puget Sound have seen an increasing frequency of windstorms that cause severe damage to property and infrastructure. Proactive tree pruning ...

The South American country considers the tree commonly called brazilwood to be a gravely vulnerable species that’s in dire ...

Got room for a tree? Seattle Public Utilities' Trees for Neighborhoods program just might have one - or more - to give you, free! Here's the announcement we were asked to share with you: We have many ...

The collaboration includes the construction of a new commercial high tunnel greenhouse at Bernheim made possible by a $15,000 ...

Spotty leaves, cracked trunks, mushroom invasions ... Two certified arborists explain how to best take care of your trees.

Removing tree of heaven helps protect native plants, stops spotted lanternflies, and prevents damage to ecosystems and ...