If string trimmers are used around your landscape learn to protect the cambium layer of your trees and shrubs. It’s a critical ring of rapidly developing cells located just under the bark. Mistreat ...

It has been well over a month since Hurricane Sandy, and we still hear the buzzing roars of chain-saws in backyards, along streets and utility right-of-ways. Massive uprooted trees, heavy fallen limbs ...

The emerald ash borer was first discovered in Colorado in 2013 and now has expanded to dozens of cities, including six alone ...

Don’t beat the lower trunk area of a tree with the lawn mower or string trimmer. Nothing will kill a tree quicker than severing the cambium or growth layer. The cambium layer is the vascular system of ...

Gardening season is in full swing and there are lots of questions out there. Get answers from Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU ...

Though only moderately optimistic, arborists are brainstorming on schemes to save Luna, the giant Humboldt County redwood that was vandalized recently by someone with a big chain saw and an even ...