Javascript is either disabled or not supported by this browser. This page may not appear properly. Tree Information Welcome to one of the sites with the most Blue Spruce Infromation. The major pests are western spruce dwarf mistletoe, spruce bark beetle, and the spruce budworm. In the spring the new growing tips suddenly droop and get a blanched apperance.
Weedkillers sometimes kill trees.
The affected trees are often browned completely durning the winter but in the spring they produce new growth again. Trees generally turn a yellowish- green then light brown from the top down and outside in until the tree dies. At the advent of warm weather in the spring a sudden deep red-brown discoloration of branches or entire trees implies cold injury. The foliage of outer, lower branches of small trees may become progressively yellow, then brown. Iron Deficiency- Foliage on branch, part of the crown or the entire crown becomes yellow.