Field Notes

Edmonton Tree Care Blog & Field Notes

Practical tree care advice from Edmonton’s local arborists: when to prune, what species to plant, how to spot Dutch Elm Disease, what to do after a storm, and how to keep mature trees healthy through Zone 4a winters.

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City Tree Service arborist injecting a mature elm with DutchTrig in Edmonton's Highlands neighbourhood

News·July 17, 2026

Dutch Elm Disease Is in Edmonton: Andy's Take on CBC

Dutch elm disease has reached Edmonton. City Tree Service's Andy Fitzsimmons explains the risk, the warning signs, and what it means for the city's 90,000 elms on CBC Edmonton AM.

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