When to plant in Rouyn-Noranda, QC
Planting dates worked out from Rouyn-Noranda's own frost records, not a generic zone chart.
Safe to plant out
Jun 6
1 year in 10 has a later frost
Average last frost
May 24
about a 50% chance of a later one
Average first fall frost
Sep 26
1 year in 10 by Sep 17
Frost-free days
126
median, 1991–2020
Station used: Rouyn · 1.3 km away · station 318 m, town 299 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 11 – Apr 25 | Jun 6 – Jun 20 | Jul 31 |
| Sweet pepper | Mar 28 – Apr 11 | Jun 6 – Jun 20 | Aug 5 |
| Lettuce (leaf) | Mar 27 – Apr 3 | May 1 – May 15 | Jun 10 |
| Peas | — | May 1 – May 29 | Jun 25 |
| Bush beans | — | May 30 – Jun 20 | Jul 19 |
| Carrot | — | May 9 – Jun 20 | Jul 8 |
| Beet | — | May 9 – Jun 20 | Jun 28 |
| Potato | — | May 9 – May 30 | Jul 18 |
| Kale | Mar 27 – Apr 10 | May 8 – May 22 | Jun 20 |
| Broccoli | Mar 20 – Apr 3 | May 1 – May 22 | Jun 30 |
| Cucumber | May 9 – May 16 | Jun 6 – Jun 20 | Jul 26 |
| Summer squash and zucchini | May 9 – May 16 | Jun 6 – Jun 20 | Jul 21 |
| Winter squash | May 9 – May 16 | Jun 6 – Jun 20 | Aug 25 |
| Sweet corn | — | May 30 – Jun 20 | Jul 29 |
| Onion (from sets) | — | May 1 – May 22 | Jul 30 |
| Garlic | — | Sep 12 – Oct 10 (fall) | following summer |
| Spinach | — | May 1 – May 29 | Jun 8 |
| Basil | Apr 25 – May 9 | Jun 6 – Jun 20 | Aug 2 |
Rouyn-Noranda'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 29 |
| 1997 | May 25 |
| 1998 | Jun 1 |
| 1999 | May 20 |
| 2000 | Jun 7 |
| 2001 | May 30 |
| 2002 | Jun 6 |
| 2003 | Jun 2 |
| 2004 | May 29 |
| 2005 | May 13 |
| 2006 | May 7 |
| 2007 | Jun 6 |
| 2008 | May 28 |
| 2009 | May 31 |
| 2010 | May 11 |
| 2011 | May 26 |
| 2012 | May 10 |
| 2013 | May 25 |
| 2014 | May 12 |
| 2015 | Jun 6 |
| 2016 | May 16 |
| 2017 | May 20 |
| 2018 | May 18 |
| 2019 | May 16 |
| 2020 | May 13 |
| 2021 | May 28 |
| 2022 | May 7 |
| 2023 | May 25 |
| 2024 | May 29 |
| 2025 | May 20 |
| 2026 | May 21 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1996 | 116 |
| 1997 | 120 |
| 1998 | 113 |
| 1999 | 74 |
| 2000 | 108 |
| 2001 | 128 |
| 2002 | 121 |
| 2003 | 120 |
| 2004 | 112 |
| 2005 | 146 |
| 2006 | 150 |
| 2007 | 127 |
| 2008 | 112 |
| 2009 | 110 |
| 2010 | 150 |
| 2011 | 128 |
| 2012 | 138 |
| 2013 | 111 |
| 2014 | 128 |
| 2015 | 118 |
| 2016 | 131 |
| 2017 | 143 |
| 2018 | 127 |
| 2019 | 139 |
| 2020 | 126 |
| 2021 | 145 |
| 2022 | 143 |
| 2023 | 149 |
| 2024 | 135 |
| 2025 | 141 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1996 | 11.9 °C |
| 1997 | 12.0 °C |
| 1998 | 13.6 °C |
| 1999 | 13.8 °C |
| 2000 | 11.2 °C |
| 2001 | 13.6 °C |
| 2002 | 12.5 °C |
| 2003 | 12.0 °C |
| 2004 | 11.2 °C |
| 2005 | 14.2 °C |
| 2006 | 13.1 °C |
| 2007 | 12.6 °C |
| 2008 | 12.2 °C |
| 2009 | 11.6 °C |
| 2010 | 13.6 °C |
| 2011 | 12.9 °C |
| 2012 | 13.1 °C |
| 2013 | 11.8 °C |
| 2014 | 11.9 °C |
| 2015 | 13.1 °C |
| 2016 | 12.4 °C |
| 2017 | 12.4 °C |
| 2018 | 12.5 °C |
| 2019 | 11.8 °C |
| 2020 | 12.4 °C |
| 2021 | 13.6 °C |
| 2022 | 13.0 °C |
| 2023 | 13.5 °C |
| 2024 | 14.4 °C |
| 2025 | 12.7 °C |
| 2026 | 13.1 °C |
What this means for you: Since 1996, Rouyn-Noranda's last spring frost has come about 4 days earlier per decade, on average. The frost-free season has grown by about 11 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Rouyn (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.