Pine needle scale has become a common problem the past several years in the area. This insect is a problem on Austrian, ponderosa, scotch and mugo pines. The adult scale is a small black (there's a ...

About 100 seedlings of the whitebark pine tree were planted in Central Oregon early last month. The goal is to help increase their population as it has declined due to fungal disease, bark beetles and ...

Stretching from British Columbia, Canada down to parts of California and east to Montana, live the whitebark pine. The tree grows in subalpine and timberline zones — elevations anywhere from 4,000 to ...

Whitebark pine, an iconic but rare species of pine tree that can be found at high elevations across central Oregon’s forests, will start to receive special protection after it was listed as threatened ...