When to plant in Lake Louise, AB
Planting dates worked out from Lake Louise's own frost records, not a generic zone chart.
Safe to plant out
Jul 6
1 year in 10 has a later frost
Average last frost
Jun 23
about a 50% chance of a later one
Average first fall frost
Aug 13
1 year in 10 by Jul 19
Frost-free days
48
median, 1991–2020
Station used: Yoho Park · 11.7 km away · station 1602 m, town 1538 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 Season likely too short |
May 11 – May 25 | Jul 6 – Jul 20 | Aug 30 |
| Sweet pepper Season likely too short |
Apr 27 – May 11 | Jul 6 – Jul 20 | Sep 4 |
| Lettuce (leaf) | Apr 21 – Apr 28 | May 26 – Jun 9 | Jul 5 |
| Peas | — | May 16 – Jun 13 | Jul 10 |
| Bush beans Season likely too short |
— | Jun 29 – Jul 20 | Aug 18 |
| Carrot | — | Jun 2 – Jul 14 | Aug 1 |
| Beet | — | May 30 – Jul 11 | Jul 19 |
| Potato | — | Jun 2 – Jun 23 | Aug 11 |
| Kale | Apr 14 – Apr 28 | May 26 – Jun 9 | Jul 8 |
| Broccoli | Apr 14 – Apr 28 | May 26 – Jun 16 | Jul 25 |
| Cucumber Season likely too short |
Jun 8 – Jun 15 | Jul 6 – Jul 20 | Aug 25 |
| Summer squash and zucchini Season likely too short |
Jun 8 – Jun 15 | Jul 6 – Jul 20 | Aug 20 |
| Winter squash Season likely too short |
Jun 8 – Jun 15 | Jul 6 – Jul 20 | Sep 24 |
| Sweet corn Season likely too short |
— | Jun 29 – Jul 20 | Aug 28 |
| Onion (from sets) | — | May 26 – Jun 16 | Aug 24 |
| Garlic | — | Jul 30 – Aug 27 (fall) | following summer |
| Spinach | — | May 16 – Jun 13 | Jun 23 |
| Basil Season likely too short |
May 25 – Jun 8 | Jul 6 – Jul 20 | Sep 1 |
Lake Louise'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 |
|---|---|
| 1993 | Jul 14 |
| 1994 | Jun 21 |
| 1995 | Jun 27 |
| 1996 | Jun 21 |
| 1997 | Jun 24 |
| 1998 | Jun 5 |
| 1999 | Jun 23 |
| 2001 | Jun 20 |
| 2002 | Jul 6 |
| 2003 | Jun 25 |
| 2004 | Jun 18 |
| 2005 | Jun 24 |
| 2006 | Jun 24 |
| 2007 | Jul 1 |
| 2008 | Jul 12 |
| 2011 | Jun 10 |
| 2012 | Jul 6 |
| 2014 | Jun 18 |
| 2015 | Jun 22 |
| 2016 | Jun 18 |
| 2017 | Jun 24 |
| 2018 | Jun 5 |
| 2020 | Jun 5 |
| 2021 | Jun 13 |
| 2022 | Jun 26 |
| 2024 | Jun 21 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1993 | 28 |
| 1994 | 63 |
| 1996 | 72 |
| 1997 | 31 |
| 1998 | 97 |
| 2001 | 39 |
| 2003 | 48 |
| 2004 | 79 |
| 2005 | 39 |
| 2006 | 24 |
| 2007 | 44 |
| 2011 | 49 |
| 2012 | 40 |
| 2014 | 67 |
| 2015 | 59 |
| 2016 | 61 |
| 2017 | 23 |
| 2021 | 72 |
| 2022 | 71 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1993 | 8.6 °C |
| 1994 | 9.3 °C |
| 1995 | 8.3 °C |
| 1996 | 7.5 °C |
| 1997 | 7.4 °C |
| 1998 | 9.7 °C |
| 2001 | 8.2 °C |
| 2003 | 7.9 °C |
| 2004 | 7.9 °C |
| 2005 | 8.2 °C |
| 2006 | 9.3 °C |
| 2007 | 8.3 °C |
| 2008 | 7.2 °C |
| 2010 | 7.3 °C |
| 2011 | 7.3 °C |
| 2012 | 8.5 °C |
| 2015 | 8.8 °C |
| 2016 | 9.4 °C |
| 2017 | 9.4 °C |
| 2021 | 9.8 °C |
| 2022 | 9.5 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Yoho Park (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.