Article Written by:
Yvonne Barkley, University of Idaho Extension, Moscow, ID and
David C. Powell, USDA Forest Service
Ponderosa pine is a large tree, growing to 180 feet in height and three to four feet in diameter and has several common names. Young, vigorously growing ponderosa pines are often called bull or blackjack pines and have dense crowns of deep green foliage and dark brown to black bark. Slower growing, older trees that have developed the characteristic yellow-green foliage and …