When to plant in Bécancour, QC
Planting dates worked out from Bécancour's own frost records, not a generic zone chart.
Safe to plant out
May 7
1 year in 10 has a later frost
Average last frost
Apr 25
about a 50% chance of a later one
Average first fall frost
Oct 25
1 year in 10 by Oct 15
Frost-free days
180
median, 1991–2020
Station used: Trois-Rivieres · 6.6 km away · station 6 m, town 9 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 | Mar 20 – Apr 3 | May 15 – May 29 | Jul 9 |
| Sweet pepper | Mar 6 – Mar 20 | May 15 – May 29 | Jul 14 |
| Lettuce (leaf) | Mar 17 – Mar 24 | Apr 21 – May 5 | May 31 |
| Peas | — | Apr 21 – May 19 | Jun 15 |
| Bush beans | — | May 11 – Jun 1 | Jun 30 |
| Carrot | — | Apr 28 – Jun 9 | Jun 27 |
| Beet | — | Apr 28 – Jun 9 | Jun 17 |
| Potato | — | Apr 28 – May 19 | Jul 7 |
| Kale | Mar 17 – Mar 31 | Apr 28 – May 12 | Jun 10 |
| Broccoli | Mar 10 – Mar 24 | Apr 21 – May 12 | Jun 20 |
| Cucumber | Apr 17 – Apr 24 | May 15 – May 29 | Jul 4 |
| Summer squash and zucchini | Apr 17 – Apr 24 | May 15 – May 29 | Jun 29 |
| Winter squash | Apr 17 – Apr 24 | May 15 – May 29 | Aug 3 |
| Sweet corn | — | May 11 – Jun 1 | Jul 10 |
| Onion (from sets) | — | Apr 21 – May 12 | Jul 20 |
| Garlic | — | Sep 27 – Oct 25 (fall) | following summer |
| Spinach | — | Apr 21 – May 19 | May 29 |
| Basil | Apr 3 – Apr 17 | May 15 – May 29 | Jul 11 |
Bécancour'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 |
|---|---|
| 1995 | May 7 |
| 1996 | Apr 25 |
| 1997 | Apr 22 |
| 1999 | Apr 24 |
| 2000 | Apr 18 |
| 2001 | Apr 29 |
| 2002 | Apr 23 |
| 2004 | Apr 25 |
| 2005 | May 13 |
| 2006 | Apr 28 |
| 2007 | Apr 25 |
| 2008 | Apr 17 |
| 2009 | Apr 20 |
| 2010 | Apr 13 |
| 2011 | Apr 22 |
| 2012 | Apr 29 |
| 2014 | Apr 20 |
| 2015 | Apr 16 |
| 2016 | Apr 29 |
| 2018 | Apr 23 |
| 2020 | May 8 |
| 2021 | Apr 26 |
| 2022 | Apr 23 |
| 2023 | Apr 9 |
| 2024 | Apr 26 |
| 2026 | Apr 21 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1995 | 176 |
| 1996 | 161 |
| 1997 | 182 |
| 1999 | 177 |
| 2000 | 180 |
| 2001 | 184 |
| 2002 | 174 |
| 2004 | 186 |
| 2005 | 168 |
| 2006 | 185 |
| 2007 | 186 |
| 2008 | 184 |
| 2009 | 177 |
| 2011 | 188 |
| 2012 | 166 |
| 2014 | 195 |
| 2015 | 183 |
| 2016 | 179 |
| 2018 | 177 |
| 2020 | 171 |
| 2021 | 192 |
| 2022 | 198 |
| 2023 | 204 |
| 2024 | 183 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1995 | 15.0 °C |
| 1996 | 14.6 °C |
| 1997 | 14.1 °C |
| 1998 | 16.9 °C |
| 1999 | 16.3 °C |
| 2000 | 14.4 °C |
| 2001 | 16.1 °C |
| 2002 | 15.2 °C |
| 2004 | 14.1 °C |
| 2005 | 15.5 °C |
| 2006 | 15.8 °C |
| 2007 | 14.9 °C |
| 2008 | 15.0 °C |
| 2009 | 14.8 °C |
| 2010 | 16.5 °C |
| 2011 | 15.6 °C |
| 2012 | 16.2 °C |
| 2013 | 14.8 °C |
| 2014 | 15.2 °C |
| 2015 | 15.8 °C |
| 2016 | 15.2 °C |
| 2018 | 15.5 °C |
| 2020 | 15.1 °C |
| 2021 | 16.6 °C |
| 2022 | 15.7 °C |
| 2023 | 16.2 °C |
| 2024 | 16.9 °C |
| 2026 | 16.0 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Trois-Rivieres (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.