When to plant in Sept-Îles, QC
Planting dates worked out from Sept-Îles's own frost records, not a generic zone chart.
Safe to plant out
May 17
1 year in 10 has a later frost
Average last frost
May 5
about a 50% chance of a later one
Average first fall frost
Oct 23
1 year in 10 by Oct 15
Frost-free days
171
median, 1991–2020
Station used: Pointe Noire Cs · 5.6 km away · station 24 m, town 5 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 15 – Apr 29 | Jun 10 – Jun 24 | Aug 4 |
| Sweet pepper | Apr 1 – Apr 15 | Jun 10 – Jun 24 | Aug 9 |
| Lettuce (leaf) | Apr 3 – Apr 10 | May 8 – May 22 | Jun 17 |
| Peas | — | May 8 – Jun 5 | Jul 2 |
| Bush beans | — | Jun 5 – Jun 26 | Jul 25 |
| Carrot | — | May 18 – Jun 29 | Jul 17 |
| Beet | — | May 18 – Jun 29 | Jul 7 |
| Potato | — | May 18 – Jun 8 | Jul 27 |
| Kale | Apr 3 – Apr 17 | May 15 – May 29 | Jun 27 |
| Broccoli | Mar 27 – Apr 10 | May 8 – May 29 | Jul 7 |
| Cucumber | May 13 – May 20 | Jun 10 – Jun 24 | Jul 30 |
| Summer squash and zucchini | May 13 – May 20 | Jun 10 – Jun 24 | Jul 25 |
| Winter squash | May 13 – May 20 | Jun 10 – Jun 24 | Aug 29 |
| Sweet corn | — | Jun 5 – Jun 26 | Aug 4 |
| Onion (from sets) | — | May 8 – May 29 | Aug 6 |
| Garlic | — | Sep 13 – Oct 11 (fall) | following summer |
| Spinach | — | May 8 – Jun 5 | Jun 15 |
| Basil | Apr 29 – May 13 | Jun 10 – Jun 24 | Aug 6 |
Sept-Îles'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 |
|---|---|
| 1998 | Apr 24 |
| 1999 | May 12 |
| 2000 | May 17 |
| 2001 | Apr 29 |
| 2002 | May 9 |
| 2003 | May 4 |
| 2004 | May 8 |
| 2005 | May 13 |
| 2006 | Apr 28 |
| 2007 | May 18 |
| 2008 | Apr 26 |
| 2009 | May 6 |
| 2010 | Apr 27 |
| 2011 | Apr 28 |
| 2012 | May 1 |
| 2014 | May 12 |
| 2015 | May 8 |
| 2016 | May 2 |
| 2017 | May 1 |
| 2018 | May 18 |
| 2019 | May 1 |
| 2023 | May 23 |
| 2024 | Apr 30 |
| 2025 | May 1 |
| 2026 | Apr 28 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1998 | 184 |
| 1999 | 158 |
| 2000 | 151 |
| 2001 | 183 |
| 2002 | 153 |
| 2003 | 169 |
| 2004 | 173 |
| 2005 | 173 |
| 2006 | 189 |
| 2007 | 163 |
| 2008 | 175 |
| 2009 | 164 |
| 2010 | 187 |
| 2011 | 161 |
| 2012 | 176 |
| 2014 | 162 |
| 2015 | 162 |
| 2016 | 176 |
| 2017 | 173 |
| 2018 | 152 |
| 2023 | 159 |
| 2024 | 181 |
| 2025 | 163 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1998 | 11.8 °C |
| 1999 | 12.8 °C |
| 2000 | 10.0 °C |
| 2001 | 11.6 °C |
| 2002 | 10.1 °C |
| 2003 | 11.2 °C |
| 2004 | 10.4 °C |
| 2005 | 11.6 °C |
| 2006 | 12.3 °C |
| 2007 | 10.8 °C |
| 2008 | 11.7 °C |
| 2009 | 10.9 °C |
| 2010 | 12.2 °C |
| 2011 | 10.7 °C |
| 2012 | 12.1 °C |
| 2014 | 11.9 °C |
| 2015 | 11.1 °C |
| 2016 | 11.2 °C |
| 2017 | 11.3 °C |
| 2018 | 10.7 °C |
| 2019 | 11.1 °C |
| 2023 | 12.2 °C |
| 2024 | 12.3 °C |
| 2025 | 11.9 °C |
| 2026 | 11.1 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Pointe Noire Cs (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.