When to plant in Saint-Louis-du-Ha Ha, QC
Planting dates worked out from Saint-Louis-du-Ha Ha's own frost records, not a generic zone chart.
Safe to plant out
May 20
1 year in 10 has a later frost
Average last frost
May 11
about a 50% chance of a later one
Average first fall frost
Oct 5
1 year in 10 by Sep 24
Frost-free days
148
median, 1991–2020
Station used: Riviere-Du-Loup · 45.5 km away · station 146 m, town 248 m. How we match towns to stations
The nearest reliable station is 46 km away, so frost dates here may be off by a week or more. Check them against local experience.
This season
Plan your garden.
Planting dates for common crops
| Crop | Start indoors | Plant out or sow | Harvest from |
|---|---|---|---|
| Tomato | Apr 6 – Apr 20 | Jun 1 – Jun 15 | Jul 26 |
| Sweet pepper | Mar 23 – Apr 6 | Jun 1 – Jun 15 | Jul 31 |
| Lettuce (leaf) | Mar 28 – Apr 4 | May 2 – May 16 | Jun 11 |
| Peas | — | May 2 – May 30 | Jun 26 |
| Bush beans | — | May 28 – Jun 18 | Jul 17 |
| Carrot | — | May 11 – Jun 22 | Jul 10 |
| Beet | — | May 11 – Jun 22 | Jun 30 |
| Potato | — | May 11 – Jun 1 | Jul 20 |
| Kale | Mar 28 – Apr 11 | May 9 – May 23 | Jun 21 |
| Broccoli | Mar 21 – Apr 4 | May 2 – May 23 | Jul 1 |
| Cucumber | May 4 – May 11 | Jun 1 – Jun 15 | Jul 21 |
| Summer squash and zucchini | May 4 – May 11 | Jun 1 – Jun 15 | Jul 16 |
| Winter squash | May 4 – May 11 | Jun 1 – Jun 15 | Aug 20 |
| Sweet corn | — | May 28 – Jun 18 | Jul 27 |
| Onion (from sets) | — | May 2 – May 23 | Jul 31 |
| Garlic | — | Sep 14 – Oct 12 (fall) | following summer |
| Spinach | — | May 2 – May 30 | Jun 9 |
| Basil | Apr 20 – May 4 | Jun 1 – Jun 15 | Jul 28 |
Saint-Louis-du-Ha Ha'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 10 |
| 1997 | May 10 |
| 1999 | Apr 30 |
| 2000 | May 20 |
| 2002 | May 14 |
| 2003 | May 10 |
| 2005 | May 13 |
| 2006 | May 8 |
| 2007 | May 21 |
| 2008 | May 2 |
| 2009 | May 12 |
| 2010 | May 16 |
| 2011 | May 1 |
| 2012 | May 6 |
| 2013 | May 19 |
| 2014 | May 13 |
| 2015 | May 2 |
| 2016 | May 8 |
| 2017 | May 10 |
| 2018 | May 18 |
| 2019 | May 3 |
| 2020 | Jun 2 |
| 2021 | May 4 |
| 2022 | May 8 |
| 2023 | May 22 |
| 2024 | May 10 |
| 2025 | May 5 |
| 2026 | May 4 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1999 | 156 |
| 2000 | 130 |
| 2002 | 141 |
| 2003 | 152 |
| 2005 | 152 |
| 2006 | 150 |
| 2007 | 148 |
| 2008 | 138 |
| 2009 | 153 |
| 2010 | 166 |
| 2011 | 157 |
| 2012 | 158 |
| 2013 | 139 |
| 2014 | 141 |
| 2015 | 154 |
| 2016 | 147 |
| 2017 | 145 |
| 2018 | 128 |
| 2019 | 149 |
| 2020 | 107 |
| 2021 | 178 |
| 2022 | 146 |
| 2023 | 159 |
| 2024 | 160 |
| 2025 | 157 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1995 | 11.6 °C |
| 1997 | 10.8 °C |
| 1999 | 13.5 °C |
| 2000 | 11.5 °C |
| 2001 | 12.8 °C |
| 2002 | 12.2 °C |
| 2003 | 11.8 °C |
| 2005 | 12.8 °C |
| 2006 | 12.5 °C |
| 2007 | 12.0 °C |
| 2008 | 12.2 °C |
| 2009 | 11.5 °C |
| 2010 | 12.9 °C |
| 2011 | 12.0 °C |
| 2012 | 13.2 °C |
| 2013 | 11.7 °C |
| 2014 | 12.6 °C |
| 2015 | 12.8 °C |
| 2016 | 12.5 °C |
| 2017 | 12.4 °C |
| 2018 | 12.6 °C |
| 2019 | 12.0 °C |
| 2020 | 12.4 °C |
| 2021 | 13.4 °C |
| 2022 | 12.8 °C |
| 2023 | 13.0 °C |
| 2024 | 13.8 °C |
| 2025 | 12.9 °C |
| 2026 | 12.6 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Riviere-Du-Loup (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.