When to plant in Saint-Marc-des-Carrières, QC
Planting dates worked out from Saint-Marc-des-Carrières's own frost records, not a generic zone chart.
Safe to plant out
Jun 7
1 year in 10 has a later frost
Average last frost
May 25
about a 50% chance of a later one
Average first fall frost
Sep 15
1 year in 10 by Sep 6
Frost-free days
111
median, 1991–2020
Station used: Deschambault · 6.0 km away · station 61 m, town 47 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 12 – Apr 26 | Jun 7 – Jun 21 | Aug 1 |
| Sweet pepper | Mar 29 – Apr 12 | Jun 7 – Jun 21 | Aug 6 |
| Lettuce (leaf) | Mar 23 – Mar 30 | Apr 27 – May 11 | Jun 6 |
| Peas | — | Apr 25 – May 23 | Jun 19 |
| Bush beans | — | May 31 – Jun 21 | Jul 20 |
| Carrot | — | May 4 – Jun 15 | Jul 3 |
| Beet | — | May 3 – Jun 14 | Jun 22 |
| Potato | — | May 4 – May 25 | Jul 13 |
| Kale | Mar 21 – Apr 4 | May 2 – May 16 | Jun 14 |
| Broccoli | Mar 16 – Mar 30 | Apr 27 – May 18 | Jun 26 |
| Cucumber | May 10 – May 17 | Jun 7 – Jun 21 | Jul 27 |
| Summer squash and zucchini | May 10 – May 17 | Jun 7 – Jun 21 | Jul 22 |
| Winter squash | May 10 – May 17 | Jun 7 – Jun 21 | Aug 26 |
| Sweet corn | — | May 31 – Jun 21 | Jul 30 |
| Onion (from sets) | — | Apr 27 – May 18 | Jul 26 |
| Garlic | — | Sep 1 – Sep 29 (fall) | following summer |
| Spinach | — | Apr 25 – May 23 | Jun 2 |
| Basil | Apr 26 – May 10 | Jun 7 – Jun 21 | Aug 3 |
Saint-Marc-des-Carrières'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 | Jun 2 |
| 1999 | May 21 |
| 2000 | Jun 8 |
| 2001 | May 14 |
| 2003 | Jun 4 |
| 2004 | Jun 20 |
| 2006 | May 8 |
| 2007 | Jun 7 |
| 2008 | May 30 |
| 2009 | May 26 |
| 2010 | May 21 |
| 2011 | May 10 |
| 2012 | May 18 |
| 2014 | May 13 |
| 2015 | May 23 |
| 2016 | May 16 |
| 2017 | May 21 |
| 2018 | May 24 |
| 2019 | Jun 1 |
| 2020 | Jun 2 |
| 2021 | May 30 |
| 2022 | May 24 |
| 2023 | May 26 |
| 2024 | May 10 |
| 2025 | May 1 |
| 2026 | May 22 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1998 | 107 |
| 1999 | 127 |
| 2000 | 87 |
| 2001 | 123 |
| 2003 | 96 |
| 2004 | 73 |
| 2006 | 124 |
| 2008 | 103 |
| 2009 | 102 |
| 2011 | 129 |
| 2012 | 115 |
| 2014 | 127 |
| 2015 | 125 |
| 2016 | 121 |
| 2017 | 130 |
| 2018 | 107 |
| 2019 | 103 |
| 2020 | 103 |
| 2021 | 145 |
| 2022 | 115 |
| 2023 | 143 |
| 2024 | 154 |
| 2025 | 140 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1998 | 14.0 °C |
| 1999 | 14.4 °C |
| 2000 | 12.0 °C |
| 2001 | 13.7 °C |
| 2003 | 12.8 °C |
| 2004 | 12.3 °C |
| 2006 | 13.6 °C |
| 2008 | 12.9 °C |
| 2009 | 13.0 °C |
| 2010 | 14.6 °C |
| 2011 | 13.6 °C |
| 2012 | 14.3 °C |
| 2013 | 13.2 °C |
| 2014 | 13.7 °C |
| 2015 | 14.0 °C |
| 2016 | 13.4 °C |
| 2017 | 13.8 °C |
| 2018 | 13.6 °C |
| 2019 | 12.7 °C |
| 2020 | 13.3 °C |
| 2021 | 14.8 °C |
| 2022 | 13.8 °C |
| 2023 | 14.1 °C |
| 2024 | 15.0 °C |
| 2025 | 13.6 °C |
| 2026 | 13.6 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Deschambault (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.