GFM Network News


Dutch elm disease can cause leaves to wilt or droop, curl and become brown in early summer.

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

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

Dutch elm disease can cause leaves to wilt or droop, curl and become brown in early summer.

Majestic trees threatened by Dutch elm disease

Here are tips for spotting this devastating disease and preventing its spread

Alberta Dutch Elm Disease Awareness Week concluded on June 28. “American elms are planted extensively in Alberta and throughout the years have become the tree of choice for the Prairies with good reason,” said Janet Feddes-Calpas of the Society to Prevent Dutch Elm Disease (STOPDED) executive director. “These giants with their height and broad vase-shaped […] 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