I would look to one of the local garden centers for this product, Daconil.

May 18, A Colorado blue spruce and three Serbian spruce developed similar symptoms. Two of the Serbian spruce were severely damaged, so I dug them up and planted two new, smaller trees. The remaining Colorado is looking similar to the dwarf spruce, with needle drop from the inside of the branch outward at random locations about the tree and white sap showing on the trunk and on one of the. Four years ago, Ron Linger of Ohio planted blue spruce trees.

Recently, he told WKBN news that his “trees weren’t looking very good. A lot of the needles had dropped off the trees. Some of the tree’s limbs are getting bare. Jun 28, What kind of diseases affect blue spruce trees? There are three principle types of diseases that affect blue spruce trees: needlecasts, tip blights and canker diseases. All of these diseases are caused by fungal pathogens and each produce specific symptoms that can be useful in diagnosing the problem.

1. Needlecasts. As the name implies, trees with needlecast diseases shed needles. Needlecast fungi often infect needles. May 18, Spruce and coniferous trees are susceptible to environmental, insect and disease problems that can cause the trees to discolor, lose needles and possibly die.

Spruce in both urban and rural landscapes can be affected. Spruce trees can show brown needles starting from the lower limbs and progressing up the tree. One common needle disease in Minnesota, Rhizosphaera needle cast, is caused by the fungus Rhizosphaera kalkhoffii. Blue spruce.