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Oshawa begins to replace 1,500 trees this year

Community members may see forestry crews at work in their neighbourhoods as the tree canopy throughout Oshawa continues to be impacted by the invasive insect Emerald Ash Borer (EAB).

First confirmed in Oshawa in 2011, forestry staff have taken proactive measures over the last 10 years by treating parks and boulevard ash trees with TreeAzin, but unfortunately, the treatment does not guarantee tree survival. Although, the city has seen success in many areas such as Lakeview Park, many of the ash trees on streets, in green spaces and on the trail system have been impacted by the insect, resulting in the tree no longer being viable and potentially creating a risk to the public and/or the surrounding property, said a city statement.

Oshawa has begun the removal of all remaining ash trees on city-owned boulevards with the aim of replacing the diseased ash trees with various species that will grow to create a diverse, healthy canopy.

Continued efforts to replace the removed trees is underway. Once a diseased tree is removed, it will be added to the Ash Replacement List, the stump will be grinded out and a new species of tree will be planted. Since 2011, more than 1,200 ash trees have been replaced with tree species based on the previous tree function, the intended location and soil conditions. Another 1500 trees are anticipated to be planted on boulevards this year.

Community members with ash trees on their property are responsible for managing their trees and if concerned should consider hiring a certified arborist to discuss options.

For more information, visit www.oshawa.ca/EAB or call the Invading Species Hotline at 1-800-563-7711.

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