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04-11-22-R
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04-11-22-R
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Emerald Ash Borer Management Plan – City of Arden Hills Page 3 <br />Adopted by the City Council on April 11, 2022 <br /> <br /> <br />• The City website includes general information for residents as well as the appropriate <br />steps to take if EAB is suspected in one or more of their trees. The City has handouts <br />from the Minnesota Department of Resources available at City Hall. <br /> <br />The City of Arden Hills will take the following actions: <br /> <br />• The City will monitor ash trees throughout the City for EAB and in the event EAB is <br />discovered, staff will utilize Chapter 7, section 710 – Protection of shade trees from the <br />City Code to prevent the spread of the disease. As in the case of Oak Wilt and Dutch <br />Elm, this ordinance allows the City to enter private property for inspection of ash trees, <br />order the removal of diseased trees, and abate the nuisance upon non-compliance of <br />property owners. <br /> <br />• The City has inventoried all significant ash trees located on public property and <br />continuously monitors their health. Trees that are 8-inches in diameter or greater and <br />considered fair or better health will be treated by injection. Treatment frequency for these <br />trees is on a two-year cycle and will be continued as long as the tree still indicates fair or <br />better health “Buddy Trees” will be planted next to ash trees that begin showing signs of <br />declining health and determined to be infested with EAB. Once EAB takes hold of a tree, <br />it is inevitable that the tree will die. The “Buddy Tree” will provide an overlap period of <br />time where it will grow before the existing tree must be removed. <br /> <br />• Once an ash tree is determined to be in poor health the City will begin removal of the tree <br />on public property. These ash trees could be located within City parks or in boulevard <br />areas. No significant pruning or methods to save a declining ash tree will be attempted. <br />The City will remove the tree at that time. All ash trees that are removed will be <br />replaced. <br /> <br />• Staff will schedule removal of declining ash trees in the fall. The most critical period for <br />movement of confirmed EAB ash trees is May-July. This is the period when adult <br />beetles emerge from trees, begin feeding on foliage, and move to more trees to lay their <br />eggs. During this time, it is best to leave these trees standing and not chance the spread <br />of EAB by transporting beetle-infested wood to other areas. The City will follow the <br />Minnesota Department of Agriculture’s regulations for handling ash wood removal <br /> <br />• There are currently two methods of tree treatments being offered in the marketplace; <br />drenching the soil with chemicals and injecting the chemical into the tree. The City <br />strongly discourages the use of soil drench insecticides due to potential to pollute water <br />and negatively impact wildlife. The City strongly encourages residents to utilize a <br />certified arborist to treat trees. <br /> <br />o The City will permit residents to use chemical treatments on private ash trees, <br />given the following:
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