To manufacture thousands of airplanes for its World War I allies, the United States would fell acres of spruce.

Englemann spruce, blue spruce, and Sitka spruce are native to the western states and Canadian provinces. ... (spruce, pine, fir) and whitewood. Spruce wood is used for many purposes, ...

With arms that once flexed and reached to the sky, the limbs of the beloved Sitka spruce “muscle tree” at the entrance of ...

Artist Elizabeth Palmer of Salem would like to use wood from the Sitka spruce to make tree ring prints, something she does with trees felled by storms or logging. Courtesy of Elizabeth Palmer.

More than a dozen spruce trees, offspring of the original 1800s plantings, stand at Sitka Spruce Park. (Sofia Stuart-Rasi / KUCB) ... mostly, and then also to burn for wood,” Mason said.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is a nine-ply section of Sitka ...

Annual cold snaps have kept some invasive tree pests in check, but outbreaks could become more common with warming ...

The aphid, known scientifically as Elatobium abietinum, extracts moisture and nutrients from older needles on Sitka spruce trees, causing them to turn yellow, red, and eventually drop.

According to ODF, the spruce aphid is "a long-established exotic and invasive insect" that can experience periodic outbreaks that hurt Sitka spruce trees along the West Coast and in Oregon.