If you need to prune your Elm trees, you have until April 1st to do so or wait until October. It is important to comply with the Provincial pruning ban during this time because the elm bark beetle, responsible for spreading the deadly fungus, becomes active. If a cut is made at this time, the beetles become attracted to the scent of a fresh wound and ultimately infect a healthy tree. Once a tree has been infected, it will die within one year. This disease has wiped out many of the Elms in most Canadian cities but Alberta and British Columbia are the only two Provinces which still have beautiful healthy Elms. We need to keep Alberta and B.C. free from Dutch Elm Disease!
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