Q.smoke trees in Alberta Canada
How cold weather hardy are smoke trees?

BushDoctor
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on October 27, 2017
These are hardy down to zone 4. Here is an article for more information on the care of the trees: https://www.gardeningknowhow.com/ornamental/trees/smoke-tree/growing-smoke-trees.htm
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