FAQs

What is the Emerald Ash Borer (EAB)?
EAB is an invasive wood-boring beetle from Asia that attacks and kills all species of Ash trees (genus: Fraxinus).  The insect feeds on tree tissue beneath the bark effectively cutting off the flow of water and nutrients within the tree.

How do I know if my tree is infested?
The most definitive evidence of EAB infestation is the characteristic “D-shaped” holes created by the adult beetle emerging from the bark.  Other symptoms may inlcude: thinning of the crown (loss of leaves), discolouration of leaves and suckering along the main trunk   For more information see the CFIA website:  http://www.inspection.gc.ca/

Who is responsible for trees on private property?  
Ash trees on private property are the responsibility of the property owner to maintain / remove. 

Will homeowners be compensated for removal and replacement?  
Currently no compensation packages have been announced by CFIA or MNR.

Is a Private Tree Bylaw removal permit required? 
Permits for Ash tree removals will be expedited at no cost to the homeowner.

Are there any chemical controls for EAB?  
TreeAzin is a trademarked product that is available for treatment of EAB.  The product is injected by licensed practitioners and is not a cure.  The City is not injecting any trees at this time as there is no guarantee the tree will be saved.

What happens to the trees once they are removed?  
All removed trees are mulched.  The mulch can be used throughout the City of Vaughan as all of York Region is within the quarantined area. 

Is the City replacing removed trees on city property? 
EAB Trees are removed and replaced the following budget year as per our standard removal/replacement policy (pending budget approval).

How many Ash trees are located in the City?
The City of Vaughan has approx. 14,000 city boulevard trees that are Ash.  This does not include parks, open space and wood lot trees. 

What percentage of the city’s canopy will be lost?
Recent UFORE (Urban Forest Effects Model) indicated that the City of Vaughan’s urban forest canopy is comprised of approx. 8% Ash species.

What are the costs for removal and replacement on city property? 
The average cost to remove and replace a City tree is approx. $900.00 Ea.

How long will it take to replace all ash trees on city property? 
The insect is expected to move throughout the City within 8-10 years.  Replacement will depend on yearly budget approvals.  

How many trees have been identified as being infested with EAB? 
As of November 2011, 290 trees have been positively identified with EAB and scheduled for removal.

Where will the removed trees be stored?
The city has identified mulch storage site located throughout the city.  Forestry staff is working with York Region to discuss additional storage options for the woodchip if required.

Where can I get more information on EAB?
For more information visit the CFIA website:  http://www.inspection.gc.ca/
or contact the CFIA directly at 1-866-463-6017.