When to plant in Barrhead, AB
Planting dates worked out from Barrhead's own frost records, not a generic zone chart.
Safe to plant out
Jun 8
1 year in 10 has a later frost
Average last frost
May 21
about a 50% chance of a later one
Average first fall frost
Sep 15
1 year in 10 by Sep 6
Frost-free days
113
median, 1991–2020
Station used: Barrhead Cs · 5.2 km away · station 648 m, town 656 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 13 – Apr 27 | Jun 8 – Jun 22 | Aug 2 |
| Sweet pepper | Mar 30 – Apr 13 | Jun 8 – Jun 22 | Aug 7 |
| Lettuce (leaf) | Mar 21 – Mar 28 | Apr 25 – May 9 | Jun 4 |
| Peas | — | Apr 25 – May 23 | Jun 19 |
| Bush beans | — | Jun 1 – Jun 22 | Jul 21 |
| Carrot | — | May 4 – Jun 15 | Jul 3 |
| Beet | — | May 4 – Jun 15 | Jun 23 |
| Potato | — | May 4 – May 25 | Jul 13 |
| Kale | Mar 21 – Apr 4 | May 2 – May 16 | Jun 14 |
| Broccoli | Mar 14 – Mar 28 | Apr 25 – May 16 | Jun 24 |
| Cucumber | May 11 – May 18 | Jun 8 – Jun 22 | Jul 28 |
| Summer squash and zucchini | May 11 – May 18 | Jun 8 – Jun 22 | Jul 23 |
| Winter squash | May 11 – May 18 | Jun 8 – Jun 22 | Aug 27 |
| Sweet corn | — | Jun 1 – Jun 22 | Jul 31 |
| Onion (from sets) | — | Apr 25 – May 16 | Jul 24 |
| Garlic | — | Sep 1 – Sep 29 (fall) | following summer |
| Spinach | — | Apr 25 – May 23 | Jun 2 |
| Basil | Apr 27 – May 11 | Jun 8 – Jun 22 | Aug 4 |
Barrhead'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 |
|---|---|
| 2001 | May 22 |
| 2002 | Jun 8 |
| 2003 | May 20 |
| 2004 | Jun 17 |
| 2005 | May 26 |
| 2006 | May 4 |
| 2007 | May 23 |
| 2008 | May 12 |
| 2009 | Jun 8 |
| 2010 | May 24 |
| 2011 | May 29 |
| 2012 | May 20 |
| 2014 | May 17 |
| 2015 | May 29 |
| 2016 | May 15 |
| 2017 | Apr 28 |
| 2018 | May 11 |
| 2019 | May 13 |
| 2020 | May 13 |
| 2021 | May 22 |
| 2022 | May 31 |
| 2023 | Apr 26 |
| 2024 | May 18 |
| 2025 | May 16 |
| 2026 | May 19 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 2001 | 106 |
| 2002 | 90 |
| 2003 | 119 |
| 2004 | 87 |
| 2005 | 118 |
| 2006 | 136 |
| 2007 | 108 |
| 2008 | 110 |
| 2009 | 110 |
| 2010 | 104 |
| 2011 | 122 |
| 2012 | 117 |
| 2014 | 113 |
| 2015 | 110 |
| 2016 | 127 |
| 2019 | 136 |
| 2020 | 125 |
| 2021 | 117 |
| 2022 | 112 |
| 2023 | 148 |
| 2024 | 125 |
| 2025 | 131 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 2001 | 12.1 °C |
| 2002 | 10.7 °C |
| 2003 | 12.0 °C |
| 2004 | 10.9 °C |
| 2005 | 11.7 °C |
| 2006 | 13.6 °C |
| 2007 | 12.2 °C |
| 2008 | 12.2 °C |
| 2009 | 12.1 °C |
| 2010 | 11.9 °C |
| 2011 | 12.2 °C |
| 2012 | 12.9 °C |
| 2013 | 12.6 °C |
| 2014 | 12.1 °C |
| 2015 | 12.6 °C |
| 2016 | 13.1 °C |
| 2017 | 12.1 °C |
| 2018 | 11.6 °C |
| 2019 | 11.7 °C |
| 2020 | 11.8 °C |
| 2021 | 13.0 °C |
| 2022 | 12.7 °C |
| 2023 | 13.6 °C |
| 2024 | 12.9 °C |
| 2025 | 13.5 °C |
| 2026 | 12.3 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Barrhead Cs (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.