Zone 4 Aug. 1 - Aug. 10 | Zone 5 Aug. 11 - Aug. 20 | Zone 6 Aug. 21 - Aug. 31 |
Zone 7 Sep. 1 - Sep. 10 | Zone 8 Sep. 11 - Sep. 20 | Zone 9 Sep. 21 - Sep. 30 |
Plantmaps has derived zones indicating the Interactive map of average annual First frost dates for the province of Saskatchewan