When to plant in 100 Mile House, BC
Planting dates worked out from 100 Mile House's own frost records, not a generic zone chart.
Safe to plant out
Jul 10
1 year in 10 has a later frost
Average last frost
Jun 12
about a 50% chance of a later one
Average first fall frost
Aug 22
1 year in 10 by Jul 20
Frost-free days
80
median, 1991–2020
Station used: 100 Mile House 6ne · 5.9 km away · station 928 m, town 928 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 15 – May 29 | Jul 10 – Jul 24 | Sep 3 |
| Sweet pepper Season likely too short |
May 1 – May 15 | Jul 10 – Jul 24 | Sep 8 |
| Lettuce (leaf) | Apr 10 – Apr 17 | May 15 – May 29 | Jun 24 |
| Peas | — | May 1 – May 29 | Jun 25 |
| Bush beans Season likely too short |
— | Jul 3 – Jul 24 | Aug 22 |
| Carrot | — | May 22 – Jul 3 | Jul 21 |
| Beet | — | May 15 – Jun 26 | Jul 4 |
| Potato | — | May 22 – Jun 12 | Jul 31 |
| Kale | Apr 3 – Apr 17 | May 15 – May 29 | Jun 27 |
| Broccoli | Apr 3 – Apr 17 | May 15 – Jun 5 | Jul 14 |
| Cucumber Season likely too short |
Jun 12 – Jun 19 | Jul 10 – Jul 24 | Aug 29 |
| Summer squash and zucchini Season likely too short |
Jun 12 – Jun 19 | Jul 10 – Jul 24 | Aug 24 |
| Winter squash Season likely too short |
Jun 12 – Jun 19 | Jul 10 – Jul 24 | Sep 28 |
| Sweet corn Season likely too short |
— | Jul 3 – Jul 24 | Sep 1 |
| Onion (from sets) | — | May 15 – Jun 5 | Aug 13 |
| Garlic | — | Aug 8 – Sep 5 (fall) | following summer |
| Spinach | — | May 1 – May 29 | Jun 8 |
| Basil Season likely too short |
May 29 – Jun 12 | Jul 10 – Jul 24 | Sep 5 |
100 Mile House'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 |
|---|---|
| 1988 | Jun 19 |
| 1989 | May 29 |
| 1990 | Jun 6 |
| 1991 | Jun 19 |
| 1992 | Jun 18 |
| 1994 | Jun 2 |
| 1995 | May 26 |
| 1996 | Jun 16 |
| 1997 | Jun 7 |
| 1998 | May 17 |
| 1999 | Jun 11 |
| 2000 | Jun 16 |
| 2001 | Jun 4 |
| 2002 | Jul 6 |
| 2003 | Jun 4 |
| 2004 | Jun 15 |
| 2006 | May 31 |
| 2007 | Jun 15 |
| 2008 | Jul 11 |
| 2009 | Jul 3 |
| 2010 | Jul 14 |
| 2011 | Jul 10 |
| 2012 | Jul 7 |
| 2013 | Jul 12 |
| 2014 | Jun 11 |
| 2015 | May 16 |
| 2016 | May 20 |
| 2017 | May 16 |
| 2018 | Apr 30 |
| 2019 | Jun 10 |
| 2020 | Jun 5 |
| 2021 | Jun 11 |
| 2022 | Jun 24 |
| 2023 | Jul 2 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1989 | 92 |
| 1990 | 88 |
| 1992 | 65 |
| 1997 | 92 |
| 1998 | 120 |
| 1999 | 81 |
| 2000 | 72 |
| 2001 | 94 |
| 2002 | 41 |
| 2003 | 80 |
| 2004 | 89 |
| 2006 | 65 |
| 2007 | 46 |
| 2008 | 14 |
| 2009 | 15 |
| 2010 | 2 |
| 2011 | 11 |
| 2012 | 14 |
| 2013 | 3 |
| 2014 | 85 |
| 2015 | 111 |
| 2016 | 115 |
| 2017 | 120 |
| 2018 | 135 |
| 2019 | 100 |
| 2020 | 84 |
| 2021 | 82 |
| 2022 | 42 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1988 | 10.8 °C |
| 1997 | 10.9 °C |
| 1998 | 12.6 °C |
| 1999 | 10.2 °C |
| 2000 | 10.3 °C |
| 2001 | 10.8 °C |
| 2002 | 10.5 °C |
| 2003 | 11.7 °C |
| 2004 | 11.9 °C |
| 2005 | 11.3 °C |
| 2006 | 12.0 °C |
| 2007 | 10.9 °C |
| 2008 | 10.5 °C |
| 2009 | 11.2 °C |
| 2010 | 9.8 °C |
| 2011 | 8.2 °C |
| 2012 | 10.1 °C |
| 2013 | 10.9 °C |
| 2014 | 12.0 °C |
| 2015 | 12.3 °C |
| 2016 | 12.0 °C |
| 2017 | 12.5 °C |
| 2019 | 11.7 °C |
| 2020 | 11.2 °C |
| 2021 | 12.7 °C |
| 2022 | 11.2 °C |
| 2023 | 13.1 °C |
What this means for you: Since 1988, 100 Mile House'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 100 Mile House 6ne (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.