Prune out and destroy infected branches during dry weather. Plant Norway or white spruce instead of Colorado blue spruce. Cytospora canker is caused by the fungus Leucostoma kunzei. This fungus is ...

Blue spruces are a favorite conifer of Iowans and several reasons. In addition to being a beautiful tree that maintains color year round, these trees make an excellent wind break and for the most part ...

Reduce moisture on needles by redirecting lawn sprinklers away from spruce trees. Space spruce trees to allow good air circulation around the tree. Prune out and destroy witches' brooms present in the ...