We’re well into fall, but gardening questions never cease. We’re still getting plenty of questions to Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service ...

Alder, also known as red alder and Western alder, is one of the most common of the Pacific Coast commercial timbers. But unlike many of the other important timber trees of the Northwest, alder is a ...

Answer: Alder trees are in the birch family (Betulaceae) and the genus Alnus. Alders tend to grow in wet, slightly acidic soils especially along the edges of wetlands. The speckled alder grows in ...

CORVALLIS, Ore. - By tapping nutrients from bedrock, red alder trees play a key role in healthy forest ecosystems, according to a new study. The study published today in the journal Proceedings of the ...

The study was published Monday in the journal Proceedings of the National Academy of Sciences. Researchers from Oregon State University and the U.S. Geological Survey determined red alder, through its ...

As the autumn leaves flutter to the ground, you might find yourself picking one up, observing its color and shape, and wondering: What kind of tree is this from, anyway? Oregon is best known for its ...

The study published today in the journal Proceedings of the National Academy of Sciences. Researchers from Oregon State University and the U.S. Geological Survey determined red alder, through its ...