A dead cedar can be caused by many things, one of which is root rot. Armillaria root rot has been found in many cedar trees and hedges. “Fans of white fungal mycelium can be found under the bark at the base of dead trees and in the roots. Black “strings” called rhizomorphs spread the fungus from one tree to another along the hedge.” There is no “cure” for Armillaria, and one by one your hedge can and will die if preventative measures are not taken. Once you spot this fungus you should immediately remove the diseased trees. This will help save the rest of the hedge and potentially save you money. Call us and we’ll help you with your root rotting problems! We’ll remove all the diseased ones and plant fresh, healthy cedars in their place!