Latest Douglas-fir Stories
The Swiss needle cast epidemic in Douglas-fir forests of the coastal Pacific Northwest is continuing to intensify, appears to be unprecedented over at least the past 100 years, and is probably linked to the extensive planting of Douglas-fir along the coast and a warmer climate, new research concludes.
Two U.S. researchers advise consumers to think twice about spending money on a commercial flame retardant for a Christmas tree. Drs.
This Christmas season, think twice about spending money on a commercial flame retardant for your Christmas tree.
Five tall trees in a Seattle park have been deliberately killed with an injection of an herbicide, and two more are turning brown, officials said.
Conifers such as Christmas trees suffer a severe plumbing problem. The "pipes" that carry water through firs, pines and other conifers are 10 times shorter than those in flowering trees.
The Red Tree Vole, (Arborimus longicaudus), is a species of rodent found only in the United States. It is found in the upper branches of arboreal conifers throughout northern California and western Oregon. The preferred habitat is Douglas Fir or Redwood species. The Red Tree Vole often spends its whole life in just one tree, and often, many generations will live in different parts of the same tree. The adult is about 6 to 8 inches long, including the tail. The coat is reddish-brown.
- To swell, as grain or wood with water.