When to plant in Irishtown-Summerside, NL
Planting dates worked out from Irishtown-Summerside's own frost records, not a generic zone chart.
Safe to plant out
Jun 5
1 year in 10 has a later frost
Average last frost
May 26
about a 50% chance of a later one
Average first fall frost
Oct 6
1 year in 10 by Sep 25
Frost-free days
130
median, 1991–2020
Station used: Corner Brook · 7.3 km away · station 152 m, town 96 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 16 – Apr 30 | Jun 11 – Jun 25 | Aug 5 |
| Sweet pepper | Apr 2 – Apr 16 | Jun 11 – Jun 25 | Aug 10 |
| Lettuce (leaf) | Apr 3 – Apr 10 | May 8 – May 22 | Jun 17 |
| Peas | — | May 8 – Jun 5 | Jul 2 |
| Bush beans | — | Jun 7 – Jun 28 | Jul 27 |
| Carrot | — | May 20 – Jul 1 | Jul 19 |
| Beet | — | May 20 – Jul 1 | Jul 9 |
| Potato | — | May 20 – Jun 10 | Jul 29 |
| Kale | Apr 3 – Apr 17 | May 15 – May 29 | Jun 27 |
| Broccoli | Mar 27 – Apr 10 | May 8 – May 29 | Jul 7 |
| Cucumber | May 14 – May 21 | Jun 11 – Jun 25 | Jul 31 |
| Summer squash and zucchini | May 14 – May 21 | Jun 11 – Jun 25 | Jul 26 |
| Winter squash | May 14 – May 21 | Jun 11 – Jun 25 | Aug 30 |
| Sweet corn | — | Jun 7 – Jun 28 | Aug 6 |
| Onion (from sets) | — | May 8 – May 29 | Aug 6 |
| Garlic | — | Sep 17 – Oct 15 (fall) | following summer |
| Spinach | — | May 8 – Jun 5 | Jun 15 |
| Basil | Apr 30 – May 14 | Jun 11 – Jun 25 | Aug 7 |
Irishtown-Summerside'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 |
|---|---|
| 1994 | Jun 5 |
| 1995 | May 29 |
| 1996 | May 28 |
| 1997 | Jun 7 |
| 1998 | May 18 |
| 1999 | May 15 |
| 2000 | May 30 |
| 2002 | May 26 |
| 2003 | Jun 5 |
| 2004 | May 26 |
| 2005 | May 13 |
| 2006 | May 9 |
| 2007 | Jun 3 |
| 2008 | May 15 |
| 2009 | May 24 |
| 2010 | May 25 |
| 2011 | May 23 |
| 2013 | May 21 |
| 2014 | May 28 |
| 2015 | Jun 2 |
| 2016 | Jun 2 |
| 2017 | May 30 |
| 2018 | Jun 5 |
| 2019 | May 20 |
| 2021 | May 5 |
| 2022 | May 25 |
| 2023 | May 30 |
| 2024 | May 5 |
| 2025 | May 17 |
| 2026 | Jun 1 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1994 | 129 |
| 1995 | 130 |
| 1996 | 129 |
| 1997 | 112 |
| 1998 | 142 |
| 1999 | 158 |
| 2000 | 121 |
| 2002 | 131 |
| 2003 | 150 |
| 2004 | 149 |
| 2005 | 152 |
| 2006 | 155 |
| 2008 | 132 |
| 2009 | 123 |
| 2010 | 123 |
| 2011 | 136 |
| 2013 | 142 |
| 2014 | 125 |
| 2015 | 123 |
| 2016 | 130 |
| 2017 | 125 |
| 2018 | 104 |
| 2021 | 155 |
| 2022 | 167 |
| 2023 | 139 |
| 2024 | 150 |
| 2025 | 136 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1994 | 11.5 °C |
| 1995 | 11.4 °C |
| 1996 | 12.0 °C |
| 1997 | 11.2 °C |
| 1998 | 12.8 °C |
| 1999 | 13.9 °C |
| 2000 | 11.6 °C |
| 2001 | 11.9 °C |
| 2002 | 10.8 °C |
| 2003 | 11.8 °C |
| 2004 | 11.3 °C |
| 2005 | 12.0 °C |
| 2006 | 13.0 °C |
| 2008 | 12.0 °C |
| 2009 | 11.2 °C |
| 2010 | 11.9 °C |
| 2011 | 11.1 °C |
| 2013 | 11.7 °C |
| 2014 | 11.7 °C |
| 2015 | 11.0 °C |
| 2016 | 11.2 °C |
| 2017 | 11.3 °C |
| 2018 | 10.5 °C |
| 2019 | 10.9 °C |
| 2020 | 12.0 °C |
| 2021 | 12.8 °C |
| 2022 | 12.2 °C |
| 2023 | 11.8 °C |
| 2024 | 12.6 °C |
| 2025 | 12.0 °C |
| 2026 | 9.8 °C |
What this means for you: Since 1994, Irishtown-Summerside's last spring frost has come about 2 days earlier per decade, on average. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Corner Brook (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.