When to plant in Caplan, QC
Planting dates worked out from Caplan's own frost records, not a generic zone chart.
Safe to plant out
May 25
1 year in 10 has a later frost
Average last frost
May 14
about a 50% chance of a later one
Average first fall frost
Oct 7
1 year in 10 by Sep 25
Frost-free days
148
median, 1991–2020
Station used: New Carlisle 1 · 28.1 km away · station 46 m, town 16 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 31 – Apr 7 | May 5 – May 19 | Jun 14 |
| Peas | — | May 5 – Jun 2 | Jun 29 |
| Bush beans | — | Jun 2 – Jun 23 | Jul 22 |
| Carrot | — | May 15 – Jun 26 | Jul 14 |
| Beet | — | May 15 – Jun 26 | Jul 4 |
| Potato | — | May 15 – Jun 5 | Jul 24 |
| Kale | Mar 31 – Apr 14 | May 12 – May 26 | Jun 24 |
| Broccoli | Mar 24 – Apr 7 | May 5 – May 26 | Jul 4 |
| 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 | — | Jun 2 – Jun 23 | Aug 1 |
| Onion (from sets) | — | May 5 – May 26 | Aug 3 |
| Garlic | — | Sep 17 – Oct 15 (fall) | following summer |
| Spinach | — | May 5 – Jun 2 | Jun 12 |
| Basil | Apr 26 – May 10 | Jun 7 – Jun 21 | Aug 3 |
Caplan'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 17 |
| 1996 | May 28 |
| 1997 | Apr 30 |
| 1998 | May 13 |
| 1999 | May 14 |
| 2000 | May 10 |
| 2001 | May 6 |
| 2002 | May 13 |
| 2003 | May 16 |
| 2004 | May 26 |
| 2005 | May 14 |
| 2006 | May 8 |
| 2007 | May 23 |
| 2008 | May 4 |
| 2009 | May 16 |
| 2010 | May 14 |
| 2011 | May 22 |
| 2012 | May 7 |
| 2014 | May 14 |
| 2015 | May 14 |
| 2016 | May 13 |
| 2017 | Apr 25 |
| 2018 | Jun 4 |
| 2019 | May 14 |
| 2020 | May 24 |
| 2021 | May 30 |
| 2022 | May 11 |
| 2023 | May 23 |
| 2024 | May 12 |
| 2025 | May 6 |
| 2026 | May 23 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1995 | 134 |
| 1996 | 128 |
| 1997 | 161 |
| 1999 | 156 |
| 2000 | 140 |
| 2001 | 154 |
| 2002 | 142 |
| 2003 | 146 |
| 2004 | 132 |
| 2005 | 150 |
| 2006 | 154 |
| 2007 | 154 |
| 2008 | 166 |
| 2009 | 132 |
| 2010 | 152 |
| 2011 | 136 |
| 2012 | 154 |
| 2014 | 132 |
| 2015 | 154 |
| 2016 | 150 |
| 2017 | 157 |
| 2018 | 110 |
| 2019 | 138 |
| 2020 | 115 |
| 2021 | 151 |
| 2022 | 143 |
| 2023 | 158 |
| 2024 | 165 |
| 2025 | 175 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1995 | 11.7 °C |
| 1996 | 12.1 °C |
| 1997 | 11.3 °C |
| 1998 | 12.6 °C |
| 1999 | 13.9 °C |
| 2000 | 11.6 °C |
| 2002 | 11.3 °C |
| 2003 | 11.9 °C |
| 2004 | 12.0 °C |
| 2005 | 12.4 °C |
| 2006 | 12.3 °C |
| 2007 | 11.6 °C |
| 2008 | 12.2 °C |
| 2009 | 12.1 °C |
| 2010 | 12.9 °C |
| 2011 | 11.6 °C |
| 2012 | 12.9 °C |
| 2014 | 12.5 °C |
| 2015 | 11.8 °C |
| 2016 | 12.1 °C |
| 2017 | 12.3 °C |
| 2018 | 12.0 °C |
| 2019 | 11.4 °C |
| 2021 | 13.1 °C |
| 2022 | 12.8 °C |
| 2023 | 12.7 °C |
| 2024 | 13.6 °C |
| 2025 | 12.9 °C |
| 2026 | 12.1 °C |
What this means for you: Since 1995, Caplan's last spring frost has come about 1 day later per decade, on average. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from New Carlisle 1 (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.