Dutch elm disease (DED) is a fungal disease that will infect all native Minnesota elm trees; however, the disease does not always kill the tree. The success and rate of movement within the tree depends on tree size, time and location of infection in the tree, climatic conditions, and the defensive response of the tree. The fungus that causes Dutch elm disease was first introduced to Minnesota in 1961. The devastating history of Dutch elm disease in Minnesota was recorded by plant pathologist David W. French. Today, the disease can be found in every county in Minnesota yet it is estimated that 1 million elms still remain within communities. Several management strategies have been developed that allow elms to survive if properly cared for