End of Growing Season (<5C): 1961 to 2000

 
 
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 Based on an average daily temperature of less than 5C after July 1, the end of plant growth will be later than October 21 in southern Alberta and between October 1 and 21 in the other agricultural areas of Alberta. In parts of the mountains and in extreme northern areas the growing season may end earlier.

The growing season in the Peace Region extends later into the fall than in the surrounding areas. In the Peace Region towards the end of the growing season, the 30-year daily mean temperature normals suddenly dip below 5C, then immediately bounce back above 5C for another 5 to 7 days, and then drop below 5C for the rest of the winter.

 
 
 
 
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This document is maintained by Laura Thygesen.
This information published to the web on April 4, 2003.
Last Reviewed/Revised on May 16, 2017.