The amount of forest with problems is only a small fraction of the overall 22 million acres state officials looked at, but it ...

If you’re in the market for new trees, consider planting natives. They are generally lower maintenance than exotic species, require less water, fertilizers and pesticides, and often cost less, too.

Look to the trees of Washington state for history taken root, and stories reaching skyward. RELATED: Olympia's Moon Tree just had triplets KING 5's Evening celebrates the Northwest.

The project, in partnership with the Washington State Parks and Recreation Commission, will rehabilitate 4,600 feet of ...

Japan is giving the United States 250 cherry trees to replace more than 100 that will be torn up during construction around the Tidal Basin in Washington, the Japanese prime minister, Fumio ...