Pine trees, as with any typical conifer, keep their needles all year. Deciduous trees, such as maple, birch, or hickory, drop their leaves as the days grow colder. This is a mechanism used to ...

The Western Pine may be Idaho’s state tree – but another type of pine tree is notable for its age and resilience in Idaho’s ...

2. Clean the pine cones before you put them in the oven with warm water and white vinegar, making sure they are fully submerged for 30 minutes, stirring half way through.

PORTLAND, Ore.— The U.S. Fish and Wildlife Service announced today that the whitebark pine will be listed as threatened under the Endangered Species Act. The pine is the most widespread tree to ...