Red Wing, MN

Will it kill all the ash trees?: It might. All species of ash (Fraxinus sp.) are susceptible to EAB and none have any natural resistance. There are over 2,000 ash trees in City rights-of-way and some 200+ in developed parks. Ash represents 25% of the total tree population in some areas of the city. In addition, ash is one of the most common tree covers in the bottomlands along the Cannon and Mississippi rivers, on the bluffs and in agricultural areas.

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Public Works - Emerald Ash Borer (EAB)

1. Will it kill all the ash trees?: It might. All species of ash (Fraxinus sp.) are susceptible to EAB and none have any natural resistance. There are over 2,000 ash trees in City rights-of-way and some 200+ in developed parks. Ash represents 25% of the total tree population in some areas of the city. In addition, ash is one of the most common tree covers in the bottomlands along the Cannon and Mississippi rivers, on the bluffs and in agricultural areas.

Monitor ash trees for EAB - look for cracks in the bark, excessive woodpecker damage and watch for dying branches near the top of ash trees
Report suspected cases of EAB to the tree inspector immediately! There is no charge associated with calling the City to have a tree inspector look at an ash tree suspected of having an EAB infestation.
Establish a relationship with a tree service company that has a Certified Arborist and a Minnesota Certified tree Inspector on staff, and carries adequate general liability and worker compensation insurance
Remove ash trees now, and replant other species in advance of EAB infestation

3. What should I do with my ash tree that must be cut down?: To help prevent the spread of EAB, avoid cutting down an unhealthy ash tree May to August unless the wood will be chipped at the site. You can take wood to the compost site on Bench Street during open hours. Ash trees make good firewood and it’s safe to cut and store uncovered if it came from a healthy tree. If the tree was sick, plan to cover and seal the pile while it seasons to prevent the spread of Emerald Ash Borer (EAB).

4. What trees should I plant instead of ash?: Many kinds of trees grow well in Red Wing including varieties of maple, linden, hackberry, honeylocust, and others. To learn about trees recommended for southeast Minnesota, visit Natural Resources.