Landscape and forest trees are experiencing widespread dieback this spring according to Glenn Ahrens, Oregon State University Extension Forester for Marion County. "Browning or dieback is usually ...
As in every other sphere of life, fashions come and go in Christmas trees. Years ago, spruces dominated. Then pines became popular. Now firs are the most sought after Christmas tree, especially ...
CORVALLIS, Ore. (KTVZ) – Increases in mortality among Douglas firs in the Klamath Mountains are the result of multiple factors that have the iconic tree in a “decline spiral” in parts of the region, a ...
Drought can damage and sometimes kill Douglas-fir trees. Dying trees have been spotted frequently in western Oregon this spring. (Glenn Ahrens) Many Oregonians have noticed widespread damage in ...
The true firs, called true firs to distinguish the wood from Douglas-fir, consist of more than 40 species in North America, but only seven species produce commercial lumber. In eastern North America, ...
If you are in the market to purchase a real Christmas tree this year, Daniel Cassens, Professor Emeritus of Forestry at Purdue University, said each variety of tree has advantages and disadvantages.
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