We have a problem with our aspen trees. Nearly all of them are sapping quite a bit and are also splitting down the sides. We live at 6,100 feet in Paonia. Last summer the leaves were mottled. Any ...

Gardening season is underway, and you may have questions. For answers, turn to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU Extension faculty ...

FLAGSTAFF — As flurries started to descend on the forest floor, a team of researchers examined a stand of sickly quaking aspen trees off U.S. Highway 180, just north of Flagstaff. To an untrained eye, ...

JACKSON - In Wyoming, state forester Bill Crapser said aspen stands, like those in other Western states, are declining as well. "It's partially because as aspen stands get older, conifers take over ...