Start of Growing Season (>=5C): 1961 to 2000

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 Based on an average daily temperature of 5C or higher for five consecutive days, growth of perennial crops starts before April 17 in southern Alberta and by April 24 in the agricultural areas of northern Alberta. Outside of the agricultural areas in northern Alberta and in the mountain areas, the growing season may start later than May 1.
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This information published to the web on April 4, 2003.
Last Reviewed/Revised on May 16, 2017.