GFM Network News


Elm pruning ban over until March

Elm pruning ban over until March

Reading Time: < 1 minute 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

Elm pruning ban now in place

Reading Time: < 1 minute The pruning ban for elms is now in effect. The ban is part of an effort to keep Dutch elm disease (DED) out of Alberta. Any pruned elm branches or firewood should have been burned, buried, or chipped by March 31. “If elm trees are pruned during the pruning ban period, beetles that are active […] Read more


Time to get the dead wood out

Reading Time: < 1 minute The annual elm-pruning ban is over until March 31, so it’s time to remove dead wood that can attract elm bark beetles, says the Society to Prevent Dutch Elm Disease (STOPDED). The beetles breed and overwinter in dead and dying elms but trees can’t be pruned between April 1 and Sept. 30 because the pests […] Read more

Tree pruning is a good thing when done properly

Reading Time: < 1 minute When done properly, pruning will produce strong, healthy, and attractive trees. “However, before pruning a tree, you need to understand why, when, and how to prune,” said Janet Feddes-Calpas, Stop Dutch Elm Disease (STOPDED) co-ordinator. Rule No. 1 is don’t top a tree. “Topping is the practice of removing large branches and tops of trees […] Read more


Elm pruning ban in effect until October

Reading Time: < 1 minute The Society to Prevent Dutch Elm Disease (STOPDED) is reminding Albertans the provincial elm pruning ban remains in effect until Sept. 30. Under the Alberta Agricultural Pests Act, it is illegal to prune elm trees during this time or store elm wood. Stored elm wood can harbour the elm bark beetles that can carry DED […] Read more

Elm-pruning ban lifted until next spring

Elm-pruning ban lifted until next spring

Now is the time to remove dead wood to help keep elms healthy

Reading Time: < 1 minute The annual elm-pruning ban in Alberta has been lifted until March 31. “With the annual ban now lifted, it’s time to start taking the dead wood out of your elm trees,” said Janet Feddes-Calpas, executive director of the Society to Prevent Dutch Elm Disease. “To help eliminate elm bark beetle habitat, elm sanitation is essential […] Read more


trees and leaves

Dutch elm disease on the march, so check your trees

Both the number of beetles carrying the disease and the number of municipalities with infected beetles are increasing

Reading Time: < 1 minute Albertans are being urged to check their elm trees for symptoms of Dutch elm disease (DED). “All species of elm trees in Alberta are susceptible to DED,” said Janet Feddes-Calpas, executive of the Society to Prevent Dutch Elm Disease (STOPDED). “If a tree is infected with this fungus, it must be removed immediately to prevent […] Read more