When to plant in Chisasibi, QC
Planting dates worked out from Chisasibi's own frost records, not a generic zone chart.
Station used: La Grande Riviere A · 80.7 km away · station 195 m, town 12 m. How we match towns to stations
The nearest reliable station is 81 km away, so frost dates here may be off by a week or more. Check them against local experience.
Plan your garden.
Planting dates for common crops
| Crop | Start indoors | Plant out or sow | Harvest from |
|---|---|---|---|
| Tomato | May 1 – May 15 | Jun 26 – Jul 10 | Aug 20 |
| Sweet pepper | Apr 17 – May 1 | Jun 26 – Jul 10 | Aug 25 |
| Lettuce (leaf) | Apr 17 – Apr 24 | May 22 – Jun 5 | Jul 1 |
| Peas | — | May 22 – Jun 19 | Jul 16 |
| Bush beans | — | Jun 19 – Jul 10 | Aug 8 |
| Carrot | — | May 30 – Jul 11 | Jul 29 |
| Beet | — | May 30 – Jul 11 | Jul 19 |
| Potato | — | May 30 – Jun 20 | Aug 8 |
| Kale | Apr 17 – May 1 | May 29 – Jun 12 | Jul 11 |
| Broccoli | Apr 10 – Apr 24 | May 22 – Jun 12 | Jul 21 |
| Cucumber | May 29 – Jun 5 | Jun 26 – Jul 10 | Aug 15 |
| Summer squash and zucchini | May 29 – Jun 5 | Jun 26 – Jul 10 | Aug 10 |
| Winter squash Season likely too short |
May 29 – Jun 5 | Jun 26 – Jul 10 | Sep 14 |
| Sweet corn | — | Jun 19 – Jul 10 | Aug 18 |
| Onion (from sets) | — | May 22 – Jun 12 | Aug 20 |
| Garlic | — | Aug 26 – Sep 23 (fall) | following summer |
| Spinach | — | May 22 – Jun 19 | Jun 29 |
| Basil | May 15 – May 29 | Jun 26 – Jul 10 | Aug 22 |
Chisasibi's weather over time
How the growing season has shifted here, year by year, from the station's own records.
See the data as a table
| Year | Last spring frost |
|---|---|
| 1977 | Jun 15 |
| 1978 | Jul 1 |
| 1979 | Jun 28 |
| 1980 | Jul 5 |
| 1981 | Jun 10 |
| 1982 | Jun 30 |
| 1983 | Jul 2 |
| 1984 | Jun 21 |
| 1985 | Jun 5 |
| 1986 | Jun 25 |
| 1987 | Jun 20 |
| 1988 | Jun 24 |
| 1989 | Jun 29 |
| 1990 | Jun 15 |
| 1991 | Jun 29 |
| 1992 | Jul 2 |
| 1994 | Jun 14 |
| 1995 | Jun 14 |
| 1996 | Jun 7 |
| 1997 | Jun 19 |
| 1998 | Jun 2 |
| 1999 | Jun 16 |
| 2000 | Jun 23 |
| 2001 | May 31 |
| 2002 | Jun 12 |
| 2003 | Jun 19 |
| 2004 | Jun 26 |
| 2005 | Jun 8 |
| 2006 | Jun 20 |
| 2007 | Jun 26 |
| 2008 | Jun 12 |
| 2009 | Jun 8 |
| 2010 | Jun 14 |
| 2011 | Jun 10 |
| 2012 | Jun 13 |
See the data as a table
| Year | Frost-free days |
|---|---|
| 1977 | 88 |
| 1978 | 52 |
| 1980 | 70 |
| 1981 | 91 |
| 1982 | 32 |
| 1983 | 92 |
| 1984 | 56 |
| 1985 | 115 |
| 1986 | 63 |
| 1987 | 95 |
| 1988 | 72 |
| 1989 | 86 |
| 1990 | 88 |
| 1991 | 89 |
| 1992 | 69 |
| 1994 | 80 |
| 1995 | 84 |
| 1996 | 113 |
| 1997 | 94 |
| 1998 | 120 |
| 1999 | 108 |
| 2000 | 90 |
| 2001 | 115 |
| 2002 | 107 |
| 2003 | 100 |
| 2004 | 84 |
| 2005 | 120 |
| 2006 | 81 |
| 2007 | 77 |
| 2008 | 94 |
| 2009 | 91 |
| 2010 | 101 |
| 2011 | 111 |
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1977 | 6.7 °C |
| 1978 | 6.2 °C |
| 1979 | 7.3 °C |
| 1980 | 7.2 °C |
| 1981 | 7.1 °C |
| 1982 | 6.0 °C |
| 1983 | 7.7 °C |
| 1984 | 7.3 °C |
| 1985 | 6.8 °C |
| 1986 | 7.1 °C |
| 1987 | 7.7 °C |
| 1988 | 8.3 °C |
| 1989 | 7.3 °C |
| 1990 | 6.3 °C |
| 1991 | 7.8 °C |
| 1992 | 5.8 °C |
| 1994 | 6.2 °C |
| 1995 | 7.7 °C |
| 1996 | 7.8 °C |
| 1997 | 7.6 °C |
| 1998 | 10.1 °C |
| 1999 | 9.5 °C |
| 2000 | 7.2 °C |
| 2001 | 9.4 °C |
| 2002 | 7.6 °C |
| 2003 | 8.2 °C |
| 2004 | 5.9 °C |
| 2005 | 10.1 °C |
| 2006 | 9.4 °C |
| 2007 | 8.1 °C |
| 2008 | 9.4 °C |
| 2009 | 8.3 °C |
| 2010 | 9.6 °C |
| 2011 | 8.7 °C |
| 2012 | 8.5 °C |
What this means for you: Since 1977, Chisasibi's last spring frost has come about 4 days earlier per decade, on average. The frost-free season has grown by about 10 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from La Grande Riviere A (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.