Browning Green Mound Junipers
We have approx. 15 Green Mound Junipers that are 12 yrs old growing on a slope in our yard. In the past 2-3 years it seems they are turning brown & dying, starting from one side of the slope & working its way over. We have had issues with voles, moles & chipmunks so I don't know if root damage has been done. We tried treating for mites with no improvement & we don't see any type of fungus or visible disease. Any suggestions would be appreciated as we don't want to lose the remaining Junipers
Submitted by BHGPhotoContest

"Vole damage should be visible at the base of the plants. They can chew the bark off at ground line, causing death of the tree. If they continue to be a problem, you may need to wrap the trunks with 1/4-inch-mesh hardware cloth to prevent the voles from chewing the bark.

If the entire tree is turning brown, it is most likely damage to the roots or main trunk.  Have you dug up the dying ones to see if you can detect damage in the root zone or on the main trunk? Until the cause of the problem is deciphered, it will be difficult to come up with a remedy. You may need to take a sample of the damage (not already dead) to your local Cooperative Extension office to have them help identify the problem."

Answered by BHGgardenEditors