Mount Royal to lose 4,000 trees in Montreal's emerald ash borer cull


City of Montreal will plant 40,000 saplings to replace trees that must be cut down

Thousands of ash trees infested by the tiny but destructive emerald ash borer will be cut down in Mount Royal Park by March 2019.

There are more than 10,000 ash trees in the park, and two-thirds have been treated against the invasive bug.  The rest are getting axed.

...Many of the trees could not be vaccinated against the ash borer because, on top of being an expensive process, a tree has to be healthy enough to respond, the director of the Morgan Arboretum, Jim Fyles, told CBC Montreal's Daybreak