When to plant in Saint-Placide, QC
Planting dates worked out from Saint-Placide's own frost records, not a generic zone chart.
Safe to plant out
May 28
1 year in 10 has a later frost
Average last frost
May 16
about a 50% chance of a later one
Average first fall frost
Sep 26
1 year in 10 by Sep 13
Frost-free days
128
median, 1991–2020
Station used: Rigaud · 13.6 km away · station 46 m, town 38 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 2 – Apr 16 | May 28 – Jun 11 | Jul 22 |
| Sweet pepper | Mar 19 – Apr 2 | May 28 – Jun 11 | Jul 27 |
| Lettuce (leaf) | Mar 14 – Mar 21 | Apr 18 – May 2 | May 28 |
| Peas | — | Apr 18 – May 16 | Jun 12 |
| Bush beans | — | May 21 – Jun 11 | Jul 10 |
| Carrot | — | Apr 25 – Jun 6 | Jun 24 |
| Beet | — | Apr 25 – Jun 6 | Jun 14 |
| Potato | — | Apr 25 – May 16 | Jul 4 |
| Kale | Mar 14 – Mar 28 | Apr 25 – May 9 | Jun 7 |
| Broccoli | Mar 7 – Mar 21 | Apr 18 – May 9 | Jun 17 |
| Cucumber | Apr 30 – May 7 | May 28 – Jun 11 | Jul 17 |
| Summer squash and zucchini | Apr 30 – May 7 | May 28 – Jun 11 | Jul 12 |
| Winter squash | Apr 30 – May 7 | May 28 – Jun 11 | Aug 16 |
| Sweet corn | — | May 21 – Jun 11 | Jul 20 |
| Onion (from sets) | — | Apr 18 – May 9 | Jul 17 |
| Garlic | — | Sep 12 – Oct 10 (fall) | following summer |
| Spinach | — | Apr 18 – May 16 | May 26 |
| Basil | Apr 16 – Apr 30 | May 28 – Jun 11 | Jul 24 |
Saint-Placide'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 |
|---|---|
| 1963 | May 11 |
| 1964 | Apr 19 |
| 1965 | May 5 |
| 1966 | May 11 |
| 1967 | May 23 |
| 1968 | May 6 |
| 1969 | May 27 |
| 1970 | May 7 |
| 1971 | May 15 |
| 1972 | May 8 |
| 1973 | Apr 14 |
| 1974 | May 5 |
| 1975 | Apr 28 |
| 1977 | May 4 |
| 1978 | May 4 |
| 1979 | May 6 |
| 1980 | Apr 23 |
| 1981 | May 18 |
| 1982 | Apr 29 |
| 1983 | May 18 |
| 1984 | Apr 23 |
| 1985 | May 8 |
| 1986 | Jun 3 |
| 1987 | May 16 |
| 1988 | Apr 27 |
| 1989 | Apr 29 |
| 1990 | May 3 |
| 1991 | Apr 14 |
| 1992 | May 19 |
| 1993 | May 23 |
| 1994 | May 14 |
| 1995 | May 9 |
| 1996 | May 26 |
| 1997 | May 27 |
| 1999 | May 14 |
| 2000 | May 20 |
| 2001 | May 8 |
| 2002 | May 25 |
| 2003 | May 4 |
| 2004 | May 30 |
| 2005 | May 19 |
| 2006 | May 7 |
| 2007 | May 18 |
| 2008 | May 28 |
| 2013 | May 15 |
| 2017 | May 10 |
| 2018 | May 13 |
| 2020 | Jun 1 |
| 2021 | May 29 |
| 2022 | May 1 |
| 2023 | May 18 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1963 | 142 |
| 1964 | 152 |
| 1965 | 145 |
| 1966 | 138 |
| 1967 | 123 |
| 1968 | 152 |
| 1969 | 140 |
| 1970 | 162 |
| 1971 | 150 |
| 1972 | 154 |
| 1973 | 159 |
| 1974 | 141 |
| 1975 | 158 |
| 1977 | 156 |
| 1978 | 144 |
| 1979 | 155 |
| 1980 | 153 |
| 1981 | 134 |
| 1982 | 164 |
| 1983 | 120 |
| 1984 | 156 |
| 1985 | 156 |
| 1986 | 125 |
| 1987 | 133 |
| 1988 | 154 |
| 1989 | 150 |
| 1990 | 169 |
| 1993 | 119 |
| 1994 | 139 |
| 1995 | 124 |
| 1996 | 120 |
| 1999 | 143 |
| 2000 | 107 |
| 2001 | 129 |
| 2002 | 133 |
| 2003 | 151 |
| 2004 | 125 |
| 2005 | 127 |
| 2006 | 145 |
| 2008 | 113 |
| 2017 | 143 |
| 2018 | 153 |
| 2020 | 108 |
| 2021 | 146 |
| 2022 | 154 |
| 2023 | 158 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1963 | 15.1 °C |
| 1965 | 14.8 °C |
| 1966 | 15.1 °C |
| 1967 | 15.0 °C |
| 1968 | 15.9 °C |
| 1969 | 15.3 °C |
| 1970 | 16.0 °C |
| 1971 | 15.3 °C |
| 1972 | 14.9 °C |
| 1973 | 16.1 °C |
| 1974 | 14.9 °C |
| 1975 | 16.4 °C |
| 1977 | 15.6 °C |
| 1978 | 15.7 °C |
| 1979 | 15.7 °C |
| 1980 | 15.4 °C |
| 1981 | 15.9 °C |
| 1982 | 15.0 °C |
| 1983 | 15.8 °C |
| 1984 | 15.2 °C |
| 1985 | 15.1 °C |
| 1986 | 15.1 °C |
| 1987 | 16.0 °C |
| 1988 | 16.2 °C |
| 1989 | 15.6 °C |
| 1990 | 15.5 °C |
| 1992 | 13.1 °C |
| 1993 | 14.7 °C |
| 1994 | 14.7 °C |
| 1995 | 14.6 °C |
| 1996 | 14.7 °C |
| 1999 | 16.1 °C |
| 2000 | 14.2 °C |
| 2001 | 15.9 °C |
| 2002 | 15.4 °C |
| 2003 | 15.9 °C |
| 2004 | 14.8 °C |
| 2005 | 15.7 °C |
| 2008 | 15.5 °C |
| 2017 | 15.4 °C |
| 2018 | 16.0 °C |
| 2020 | 15.2 °C |
| 2021 | 16.3 °C |
| 2022 | 15.6 °C |
| 2023 | 15.6 °C |
What this means for you: Since 1963, Saint-Placide's last spring frost has come about 3 days later per decade, on average. The frost-free season has shrunk by about 2 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Rigaud (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.