The interior foliage of Pacific Northwest conifer trees, especially pines and western red cedar, will die and turn noticeably red or brown in autumn. This fact sheet from WSU Extension explains this normal, seasonal phenomenon that is often mistaken for a disease or other forest health problem.
During National NeighborWoods Month, tens of thousands of volunteers take action as part of a nationwide campaign to green our cities and towns. Sponsored by the Alliance for Community Trees, this is a great opportunity to show that trees matter in your city! Join the celebration and register to be volunteer!
Have you ever wondered why leaves change color? This article by the US Forest Service, Northeastern Area explains.