Cedar elms should not be pruned during this period.

Also you should know that if the tree is located in a conservation area, permission must be obtained before undertaking works of any kind.

The elm bark beetle, attracted to fresh tree wounds, is most active during the growing period between April and August. Cedar elms should not be pruned during this period. Pruning Drooping Branches. Andres Mendoza of Ran Pro Farms shows how to correclty prune a cedar elm tree (in Spanish).

You should prune only during the early spring to prevent elm bark beetles.

It is crucial to prune an elm tree at very specific times of year. 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 treecutter.barted Reading Time: 6 mins. Timing Is Important 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.