![Fall Needle Drop in Ponderosa Pine](https://csfs.colostate.edu/wp-content/uploads/2020/09/Fall_Needle_Drop_in_Ponderosa_Pine_02_Photo_c_Colorado_State_Forest_Service.jpg)
Dying, Off-Color Pine Needles Normal in Autumn
FORT COLLINS, Colo. – Although thousands of evergreen trees in Colorado’s high country, foothills and communities are beginning to display dying yellow or brown needles, most are simply going through a natural shedding process – they are not being damaged by bark beetles or any specific tree insect or disease.