The only way you can stop the growth of an.
The only time it is legal to prune elms in Alberta is between Oct. 1 to March “This is when the elm bark beetles, responsible for spreading the deadly DED fungus, are not active” said Feddes-Calpas.
This tree is located on private property.
How do you care for an elm tree? Open wounds attract the elm bark beetle, so be sure to avoid pruning between April and July. Pruning during autumn is also a no-no. This is because autumn is fungi season, and fungi are the elm tree’s worst enemy. The best time therefore for elm tree pruning is early spring ahead of the growing treegrind.barted Reading Time: 6 mins.
Do any pruning between September and March to avoid the season in which elm bark beetles are most active. Elm bark beetles spread Dutch elm disease, a fatal tree disease that has decimated the elm.