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City of Mississauga Emerald Ash Borer Program - Update

May 29, 2013

Based on an update report presented to the City's General Committee today, the City of Mississauga's Forestry Section will continue with their plan to treat and remove select City-owned ash trees. The emerald ash borer (EAB) management plan will preserve approximately 20,000 City-owned ash trees over the next 10 years.

According to the report, City contractors will treat 10,000 City-owned ash trees and remove 1200 City-owned boulevard ash trees in residential neighbourhoods in 2013. Residents are advised that replacement trees may not be planted where trees were removed due to underground/above ground utility conflicts or space limitations on the boulevard. New trees will be planted in locations that are most suitable for the future growth, health and sustainability of the tree. Park and woodland tree inspections will continue through June to confirm treatment and removal numbers.

"EAB is spreading quickly through Mississauga and by actively treating healthy ash trees and removing those in a declining state of health, we position ourselves for success in the future," said Gavin Longmuir, manager, Forestry. "We encourage residents to assess ash trees on their property this spring and to speak to a certified arborist to review management options that best suit their property."

Licensed contractors will be treating City-owned trees using a Canadian registered product called TreeAzin™. To learn more about BioForest Technologies and TreeAzin™, visit

A total budget of $51 million will be allocated over 10 years funded through an EAB levy (an additional cost added to the City’s tax bill). A total of $16 million will go to treating approximately 20,000 City-owned trees. The balance will be allocated to removing and replacing street and park trees not treated with TreeAzin. Using TreeAzin to preserve and protect a percentage of City-owned Ash trees will save the City $8 million dollars over the cost of removing and replacing infected trees.

For more information on EAB and the City’s management plan visit

As Canada's sixth largest city, Mississauga is home to 741,000 residents and 55,000 businesses, including 63 Fortune 500 companies with Canadian head offices or major divisional head offices. A diverse, progressive and award-winning municipality located on the shores of Lake Ontario in the heart of the Greater Toronto Area, Mississauga is "Leading Today for Tomorrow" by focusing on delivering services, implementing its Strategic Plan, delivering value for money and maintaining infrastructure.

Media Contact:
Dolores Bartl-Hofmann,
Public Affairs Specialist
City of Mississauga
905-615-3200 ext. 5051
TTY: 905-896-5151