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 ...

Three hypotheses of insect-plant interactions were tested by rearing fall webworm larvae in the laboratory on foliage from red alder trees with different histories of western tent caterpillar ...

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 ...

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 ...

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 ...

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 ...

The dark foliage of conifer trees dominates much of our landscape. It gets to be a bit overwhelming at times, so I’m always glad when spring leaf-out brings fresh, bright greens of the deciduous tree ...

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 ...