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Emerald Ash Borer

EAB Risk Status

**Click here for Updates on Boulevard Ash Tree Removals or Treatments

Emerald Ash Borer Confirmed in Burnsville

In May 2018, the Minnesota Department of Agriculture (MDA) confirmed an Emerald Ash Borer (EAB) infestation in Burnsville. The discovery was made in the area of McAndrews Road and 139th Street, in the central part of Burnsville. A map of confirmed infestations in Minnesota can be found on the Minnesota Department of Agriculture's EAB Status Map (zoom in to see locations). 

The City will be driving through neighborhoods to look for signs of EAB. Property owners will be notified by the City if an infested or otherwise diseased tree is identified, and be provided with options for what to do with the tree. 


Property Owners Encouraged to Take Action Now
 
Property owners are responsible for trees on their property. Left unprotected, ash trees will be killed by EAB. 

If you have one or more ash trees, you should consider whether you want to save or remove them. This Decision Guide can help you determine the best course of action for your ash tree(s).  You can also consult a professional arborist to examine your trees. The University of Minnesota offers advice on "How to Hire a Professional Arborist."
  

Removal 
If an ash tree is unhealthy or you don't plan on treating it, then the tree should be removed following Minnesota Department of Agriculture guidelines for EAB-infested areas. These guidelines call for ash tree removal during the EAB dormant season, which is October 1 - May 1. 

Removal during the EAB active season (May 2 - September 30) is not recommended because of the potential spread of EAB as the tree is disturbed and the wood is moved around. If removal is necessary during this time, special precautions should be taken such as chipping the wood on site or enclosing the wood during transport. 

If removal of an infested ash tree is delayed, the costs to remove that tree are likely to increase because t’s more dangerous to remove an ash tree heavily infested by EAB. If hiring out for tree removal, residents must hire a City-licensed tree contractor.



Pesticide Treatment

If an infestation is caught early in an otherwise healthy ash tree, a pesticide treatment may save that tree. Residents interested in this method should hire a City-licensed tree contractor with a commercial pesticide applicator’s license. Residents are responsible for the full cost of treatments for private ash trees.

The City recommends a trunk injection method for applying pesticide treatments. The standard trunk-injected EAB treatment will protect trees for two years. Learn more about pesticide treatments by reading the MDA's EAB: Homeowner's Guide to Selection, Use, & Environmental Protection.
Treatment rate for private ash.jpg

Residents may take advantage of City contract pricing to treat ash trees. In 2018, the City's contractor is Rainbow Treecare. The cost of treatments by Rainbow Treecare for private ash trees in Burnsville is $5.75 per inch of diameter at base height (DBH).To schedule a treatment, call Rainbow Treecare at (952) 767-6920.

DBH measuring.gifDB
 is a standard measure taken of the tree trunk at 4 1/2 feet above the ground. Tree companies will measure this for you. However, if you want to measure the DBH yourself, wrap a measuring tape around the tree trunk at 4.5 feet above the ground. Divide that number by 3.14 to calculate DBH.

  



Stop the Spread of EAB

Dakota County is on the MDA's list of EAB quarantined counties. The quarantine restricts the movement of ash trees, ash limbs and branches, ash stumps and
 roots, ash logs, ash lumber, ash wood, or ash bark chips from a quarantined county into a non-quarantined county.  

In addition, hardwood firewood of any kind (ash, oak, etc.) may not be moved from a quarantined county into a non-quarantine county.  More details about the quarantine can be found on the Emerald Ash Borer - Minnesota Quarantine webpage.

Certified firewood.jpgFirewood presents a very real threat to our urban forest. Insects can hitch a ride on firewood anytime it's moved. Here are some tips to using firewood so that you don't accidentally introduce insect pests into new areas:
  • Use local or heat-treated firewood -- Look for the Minnesota Department of Agriculture certified logo on firewood. Here's a list of Certified Firewood Producers in Minnesota.
  • Don't bring it with you -- Buy firewood once you reach your destination.
  • Use it up -- When you purchase firewood, use it up and don't bring it to another area.



Treatment of Public Ash Trees to protect against EAB 

The City of Burnsville's Emerald Ash Borer (EAB) Management Plan dedicates funding over 10 years to treat nearly 2,500 “legacy” public ash trees in parks and boulevard right-of-ways, remove others that are in poor condition or become infested, and plant new trees.

In 2017, the City treated about 1,200 public ash trees to protect them from EAB and removed about 270 poor quality ash trees. In 2018, about 1,050 good quality trees are scheduled for treatment and 140 poor quality trees are being removed.

Many of the public ash trees being treated grow in boulevards (street right-of-ways). The standard right-of-way for residential properties extends 15 feet into yards from the curb. Ash trees growing within boulevards are considered public trees and, if they are of good quality, will be treated to protect them from EAB. 

Residents with boulevard ash trees scheduled for treatment will be notified by postcard before treatment occurs. Ash trees on private property but not within the boulevard right-of-way are the responsibility of the property owner.


Learn More about EAB


To learn more about the Emerald Ash Borer, check out the following:

 Find the list of City-licensed tree contractors at www.burnsville.org/forestry


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