When to plant in Gravelbourg, SK
Planting dates worked out from Gravelbourg's own frost records, not a generic zone chart.
Safe to plant out
Jun 7
1 year in 10 has a later frost
Average last frost
May 23
about a 50% chance of a later one
Average first fall frost
Sep 14
1 year in 10 by Sep 4
Frost-free days
114
median, 1991–2020
Station used: Coderre · 30.8 km away · station 685 m, town 699 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 12 – Apr 26 | Jun 7 – Jun 21 | Aug 1 |
| Sweet pepper | Mar 29 – Apr 12 | Jun 7 – Jun 21 | Aug 6 |
| Lettuce (leaf) | Mar 21 – Mar 28 | Apr 25 – May 9 | Jun 4 |
| Peas | — | Apr 21 – May 19 | Jun 15 |
| Bush beans | — | May 31 – Jun 21 | Jul 20 |
| Carrot | — | May 2 – Jun 13 | Jul 1 |
| Beet | — | May 1 – Jun 12 | Jun 20 |
| Potato | — | May 2 – May 23 | Jul 11 |
| Kale | Mar 17 – Mar 31 | Apr 28 – May 12 | Jun 10 |
| Broccoli | Mar 14 – Mar 28 | Apr 25 – May 16 | Jun 24 |
| Cucumber | May 10 – May 17 | Jun 7 – Jun 21 | Jul 27 |
| Summer squash and zucchini | May 10 – May 17 | Jun 7 – Jun 21 | Jul 22 |
| Winter squash | May 10 – May 17 | Jun 7 – Jun 21 | Aug 26 |
| Sweet corn | — | May 31 – Jun 21 | Jul 30 |
| Onion (from sets) | — | Apr 25 – May 16 | Jul 24 |
| Garlic | — | Aug 31 – Sep 28 (fall) | following summer |
| Spinach | — | Apr 21 – May 19 | May 29 |
| Basil | Apr 26 – May 10 | Jun 7 – Jun 21 | Aug 3 |
Gravelbourg'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 |
|---|---|
| 1965 | May 27 |
| 1968 | Jun 15 |
| 1969 | Jun 20 |
| 1970 | May 15 |
| 1971 | May 19 |
| 1972 | May 9 |
| 1973 | May 17 |
| 1974 | May 31 |
| 1975 | May 29 |
| 1976 | May 7 |
| 1977 | Jun 13 |
| 1978 | May 9 |
| 1979 | Jun 8 |
| 1980 | Jun 7 |
| 1981 | May 11 |
| 1982 | May 31 |
| 1983 | Jun 5 |
| 1984 | May 26 |
| 1985 | Jun 5 |
| 1986 | May 17 |
| 1987 | May 21 |
| 1988 | May 5 |
| 1989 | May 26 |
| 1990 | May 20 |
| 1991 | May 6 |
| 1992 | Jun 7 |
| 1993 | May 31 |
| 1994 | May 9 |
| 1995 | Jun 8 |
| 1996 | May 13 |
| 1997 | May 21 |
| 1998 | Jun 3 |
| 1999 | May 17 |
| 2000 | May 16 |
| 2001 | May 23 |
| 2002 | May 24 |
| 2003 | May 21 |
| 2004 | Jun 24 |
| 2005 | May 15 |
| 2006 | May 11 |
| 2007 | May 25 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1965 | 102 |
| 1968 | 108 |
| 1969 | 86 |
| 1970 | 118 |
| 1971 | 120 |
| 1972 | 124 |
| 1973 | 120 |
| 1974 | 91 |
| 1975 | 104 |
| 1976 | 124 |
| 1977 | 80 |
| 1978 | 85 |
| 1979 | 96 |
| 1980 | 79 |
| 1981 | 127 |
| 1982 | 104 |
| 1984 | 111 |
| 1985 | 105 |
| 1986 | 112 |
| 1987 | 109 |
| 1988 | 129 |
| 1989 | 106 |
| 1990 | 120 |
| 1991 | 133 |
| 1992 | 78 |
| 1993 | 105 |
| 1994 | 113 |
| 1995 | 102 |
| 1996 | 120 |
| 1997 | 118 |
| 1998 | 118 |
| 1999 | 114 |
| 2000 | 128 |
| 2001 | 109 |
| 2002 | 120 |
| 2003 | 112 |
| 2004 | 74 |
| 2005 | 131 |
| 2006 | 130 |
| 2007 | 108 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1951 | 11.7 °C |
| 1953 | 11.9 °C |
| 1955 | 13.0 °C |
| 1956 | 12.4 °C |
| 1957 | 13.8 °C |
| 1958 | 14.1 °C |
| 1962 | 13.6 °C |
| 1965 | 12.3 °C |
| 1968 | 12.2 °C |
| 1969 | 13.1 °C |
| 1970 | 13.0 °C |
| 1971 | 13.4 °C |
| 1972 | 12.5 °C |
| 1973 | 12.9 °C |
| 1974 | 11.8 °C |
| 1975 | 11.6 °C |
| 1976 | 14.2 °C |
| 1977 | 13.4 °C |
| 1978 | 13.5 °C |
| 1979 | 12.6 °C |
| 1980 | 14.3 °C |
| 1981 | 14.1 °C |
| 1982 | 11.7 °C |
| 1984 | 13.7 °C |
| 1985 | 12.9 °C |
| 1986 | 13.1 °C |
| 1987 | 14.5 °C |
| 1988 | 15.3 °C |
| 1989 | 14.0 °C |
| 1990 | 13.4 °C |
| 1991 | 14.4 °C |
| 1992 | 12.3 °C |
| 1993 | 12.2 °C |
| 1994 | 14.0 °C |
| 1995 | 12.6 °C |
| 1996 | 12.9 °C |
| 1997 | 14.0 °C |
| 1998 | 15.2 °C |
| 1999 | 13.0 °C |
| 2000 | 13.3 °C |
| 2001 | 14.4 °C |
| 2002 | 11.8 °C |
| 2003 | 13.8 °C |
| 2004 | 12.1 °C |
| 2005 | 13.1 °C |
| 2006 | 14.6 °C |
| 2007 | 13.9 °C |
What this means for you: Since 1965, Gravelbourg's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 3 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Coderre (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.