The Douglas fir, the state tree of Oregon, can grow incredibly tall and live impressively long. The oldest Douglas fir trees have lived to be over 1,000 years old.

Douglas fir seedlings at the U.S. Forest Service's Dorena Genetic Resource Center in Oregon. These seedlings are part of a research experiment to plant more climate resilient forests.

The school’s new Douglas fir seedling is dubbed a “moon tree” because it was grown from a seed carried aboard NASA’s Orion spacecraft when it circumnavigated the moon in November 2022 ...

Contracted planters from Oregon head into the Shoshone National Forest to replant 120,000 Douglas fir seedlings in the Gunbarrel Creek drainage recently.

It's Douglas fir forest. This particular stand of trees was an old pasture, ... So for part of my thesis, I set up a greenhouse experiment in which I had Douglas fir seedlings.

The Douglas fir seedling traveled 1.3 million miles through space as part of NASA’s Artemis I mission. The tree, now planted ...

B.C. is home to the northernmost range of the interior douglas fir ecosystem. A new study has found old Douglas firs act as a 'blanket' guarding seedlings against drought, sun and frost. Nick ...

B.C. is home to the northernmost range of the interior douglas fir ecosystem. A new study has found old Douglas firs act as a 'blanket' guarding seedlings against drought, sun and frost.

The school's new Douglas fir seedling is dubbed a "moon tree" because it was grown from a seed carried aboard NASA's Orion spacecraft when it circumnavigated the moon in November 2022, traveling ...