GFM Network News


Elm pruning ban over until March

It’s now time “to start taking the dead wood out of your elm trees,” says Janet Feddes-Calpas, executive director, Society to Prevent Dutch Elm Disease (STOPDED). The only time it is legal to prune elms in Alberta is between Oct. 1 and March 31. “This is when the elm bark beetles, responsible for spreading the […] Read more

Watch for yellow or brown leaves on elms

If elms on your property are in autumn mode already, they may be infected with Dutch elm disease (DED). “Symptoms of DED infection are leaves initially wilting followed by curling, turning yellow, and then brown,” said Janet Feddes-Calpas, executive director of the Society to Prevent Dutch Elm Disease. “This is also referred to as flagging. […] Read more


Annual elm pruning ban now in place

The ban on pruning elms is now in place until Sept. 30. All pruned wood and firewood from elms should now have been disposed of, either by burning, burying or chipping. Stored elm wood can harbour the elm bark beetles that can carry DED. “If elm trees are pruned during the pruning ban period, these […] Read more

Be on the lookout for Dutch elm disease

Owners urged to water healthy trees well from April to mid-August

Albertans are being asked to be on the lookout for Dutch elm disease. “At present, Alberta has the largest DED-free American elm stand in the world, and it is important to protect this valuable resource,” says Janet Feddes-Calpas, executive director, Society to Prevent Dutch Elm Disease (STOPDED). “STOPDED is asking for everyone’s assistance to save […] Read more