When to plant in Rosetown, SK
Planting dates worked out from Rosetown's own frost records, not a generic zone chart.
Safe to plant out
Jun 9
1 year in 10 has a later frost
Average last frost
May 26
about a 50% chance of a later one
Average first fall frost
Sep 13
1 year in 10 by Sep 1
Frost-free days
110
median, 1991–2020
Station used: Rosetown East · 6.1 km away · station 586 m, town 583 m. How we match towns to stations
This season
Plan your garden.
Planting dates for common crops
| Crop | Start indoors | Plant out or sow | Harvest from |
|---|---|---|---|
| Tomato | Apr 14 – Apr 28 | Jun 9 – Jun 23 | Aug 3 |
| Sweet pepper | Mar 31 – Apr 14 | Jun 9 – Jun 23 | Aug 8 |
| Lettuce (leaf) | Mar 24 – Mar 31 | Apr 28 – May 12 | Jun 7 |
| Peas | — | Apr 26 – May 24 | Jun 20 |
| Bush beans | — | Jun 2 – Jun 23 | Jul 22 |
| Carrot | — | May 5 – Jun 16 | Jul 4 |
| Beet | — | May 5 – Jun 16 | Jun 24 |
| Potato | — | May 5 – May 26 | Jul 14 |
| Kale | Mar 22 – Apr 5 | May 3 – May 17 | Jun 15 |
| Broccoli | Mar 17 – Mar 31 | Apr 28 – May 19 | Jun 27 |
| Cucumber | May 12 – May 19 | Jun 9 – Jun 23 | Jul 29 |
| Summer squash and zucchini | May 12 – May 19 | Jun 9 – Jun 23 | Jul 24 |
| Winter squash | May 12 – May 19 | Jun 9 – Jun 23 | Aug 28 |
| Sweet corn | — | Jun 2 – Jun 23 | Aug 1 |
| Onion (from sets) | — | Apr 28 – May 19 | Jul 27 |
| Garlic | — | Aug 30 – Sep 27 (fall) | following summer |
| Spinach | — | Apr 26 – May 24 | Jun 3 |
| Basil | Apr 28 – May 12 | Jun 9 – Jun 23 | Aug 5 |
Rosetown's weather over time
How the growing season has shifted here, year by year, from the station's own records.
Each year's last spring frostLong-term trend
See the data as a table
| Year | Last spring frost |
|---|---|
| 1996 | May 25 |
| 1997 | May 23 |
| 1998 | Jun 7 |
| 1999 | May 17 |
| 2000 | May 31 |
| 2001 | Jun 12 |
| 2002 | Jun 7 |
| 2003 | May 21 |
| 2004 | Jun 24 |
| 2005 | May 29 |
| 2006 | May 4 |
| 2007 | May 26 |
| 2008 | Jun 4 |
| 2009 | Jun 10 |
| 2010 | May 11 |
| 2011 | May 15 |
| 2012 | May 26 |
| 2013 | May 11 |
| 2014 | Jun 7 |
| 2015 | May 29 |
| 2016 | May 15 |
| 2017 | May 29 |
| 2018 | May 12 |
| 2019 | May 26 |
| 2020 | May 24 |
| 2021 | Jun 21 |
| 2022 | Jun 1 |
| 2023 | May 1 |
| 2024 | May 23 |
| 2025 | May 6 |
| 2026 | May 22 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1996 | 107 |
| 1997 | 113 |
| 1998 | 105 |
| 1999 | 107 |
| 2000 | 102 |
| 2001 | 100 |
| 2002 | 107 |
| 2003 | 117 |
| 2004 | 56 |
| 2005 | 75 |
| 2006 | 136 |
| 2007 | 110 |
| 2008 | 111 |
| 2009 | 109 |
| 2010 | 128 |
| 2011 | 120 |
| 2012 | 113 |
| 2013 | 131 |
| 2014 | 96 |
| 2015 | 115 |
| 2016 | 127 |
| 2017 | 98 |
| 2018 | 115 |
| 2019 | 125 |
| 2020 | 98 |
| 2021 | 82 |
| 2022 | 100 |
| 2023 | 142 |
| 2024 | 129 |
| 2025 | 121 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1996 | 12.1 °C |
| 1997 | 12.9 °C |
| 1998 | 14.1 °C |
| 1999 | 12.1 °C |
| 2000 | 12.5 °C |
| 2001 | 13.8 °C |
| 2002 | 11.9 °C |
| 2003 | 13.0 °C |
| 2004 | 11.5 °C |
| 2005 | 11.1 °C |
| 2006 | 13.9 °C |
| 2007 | 13.0 °C |
| 2008 | 12.6 °C |
| 2009 | 12.3 °C |
| 2010 | 12.2 °C |
| 2011 | 12.9 °C |
| 2012 | 13.4 °C |
| 2013 | 13.0 °C |
| 2014 | 12.7 °C |
| 2015 | 13.7 °C |
| 2016 | 13.9 °C |
| 2017 | 13.2 °C |
| 2018 | 12.0 °C |
| 2019 | 12.1 °C |
| 2020 | 12.2 °C |
| 2021 | 13.7 °C |
| 2022 | 13.5 °C |
| 2023 | 14.1 °C |
| 2024 | 13.9 °C |
| 2025 | 13.8 °C |
| 2026 | 13.2 °C |
What this means for you: Since 1996, Rosetown's last spring frost has come about 4 days earlier per decade, on average. The frost-free season has grown by about 5 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Rosetown East (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.