Cedars are generally considered one of the less reliable trees for Calgary. I think it's our chinook winter cycles that are hard on them, and they typically thrive in more moist conditions than what Calgary provides. They also do best in a location where they're sheltered from the wind, so they'll do better on the east side of a house than the west, typically. That's not to say that you can't plant them here - obviously lots of them do survive, but if you're doing a privacy hedge you might find yourself replacing a bunch of them within a couple years. Which species you plant is important, too. A quick google suggests 'Brandon' does poorly here, Techny or Holmstrup do better. Juniper is generally a much more reliable option.
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