Average Height: Eastern white pine is a large tree with a very straight trunk, often reaching well over 100 feet in height. The crown is conical when young, later developing wispy, horizontal, upturning branches.
Average Width: Average spread of Pinus strobus is 20-40 feet at maturity.
Leaf Description: Eastern white pine trees have evergreen needles, 3 to 5 inches long, with five slender, flexible needles per fascicle; fascicle sheath deciduous, needles appear blue-green because of 3 or more glaucous lines of stomata.
Bark Description: On young trees, pinus strobus bark is thin, smooth and gray-green with some lighter splotchy patches; later, bark becomes thick, reddish-brown to gray-brown with prominent, finely scaled, rounded, long ridges and darker furrows.
Twig Description: Slender, gray-green to orange-brown in color; buds are long, ovoid, reddish-brown.
Flowering: Monoecious; males cylindrical, yellow, in clusters near branch tips; females light green, tinged in red, at ends of branches.
Needle or Broadleaf: Needle bearing
Comments: Pinus strobus is native to North America.
Spruce spider mites (Oligonychus ununguis) are among the most devastating pests of common varieties of spruce trees and other conifers. This pest is most active in the cool spring and fall when it feeds on the needles of conifers, causing a bronze or rust coloration to the needles and potential leaf drop. More…
Pine needle scale is a small armored scale that feeds on the sugars contained in the needles of pines, spruce and fir. The insect attaches itself to the needle and produces a hard waxy shell to protect itself from predators and environmental conditions. More…
Zimmerman pine moth is a Lepidopteran (moth and butterfly) insect native to the northern United States. It’s larvae burrow into pine trees and other conifers and feed on the sap that is produced by the trees. More…