When to plant in Corner Brook, NL
Planting dates worked out from Corner Brook's own frost records, not a generic zone chart.
Safe to plant out
Jun 2
1 year in 10 has a later frost
Average last frost
May 22
about a 50% chance of a later one
Average first fall frost
Oct 12
1 year in 10 by Oct 1
Frost-free days
144
median, 1991–2020
Station used: Corner Brook · 0.1 km away · station 5 m, town 17 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 15 – Apr 29 | Jun 10 – Jun 24 | Aug 4 |
| Sweet pepper | Apr 1 – Apr 15 | Jun 10 – Jun 24 | Aug 9 |
| Lettuce (leaf) | Apr 1 – Apr 8 | May 6 – May 20 | Jun 15 |
| Peas | — | May 6 – Jun 3 | Jun 30 |
| Bush beans | — | Jun 5 – Jun 26 | Jul 25 |
| Carrot | — | May 18 – Jun 29 | Jul 17 |
| Beet | — | May 18 – Jun 29 | Jul 7 |
| Potato | — | May 18 – Jun 8 | Jul 27 |
| Kale | Apr 1 – Apr 15 | May 13 – May 27 | Jun 25 |
| Broccoli | Mar 25 – Apr 8 | May 6 – May 27 | Jul 5 |
| Cucumber | May 13 – May 20 | Jun 10 – Jun 24 | Jul 30 |
| Summer squash and zucchini | May 13 – May 20 | Jun 10 – Jun 24 | Jul 25 |
| Winter squash | May 13 – May 20 | Jun 10 – Jun 24 | Aug 29 |
| Sweet corn | — | Jun 5 – Jun 26 | Aug 4 |
| Onion (from sets) | — | May 6 – May 27 | Aug 4 |
| Garlic | — | Sep 21 – Oct 19 (fall) | following summer |
| Spinach | — | May 6 – Jun 3 | Jun 13 |
| Basil | Apr 29 – May 13 | Jun 10 – Jun 24 | Aug 6 |
Corner Brook'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 |
|---|---|
| 1934 | Jun 18 |
| 1936 | Jun 17 |
| 1937 | May 9 |
| 1938 | May 30 |
| 1939 | Jun 3 |
| 1940 | May 31 |
| 1941 | Jun 28 |
| 1944 | May 25 |
| 1945 | Jun 9 |
| 1946 | Jun 4 |
| 1947 | Jun 9 |
| 1948 | May 17 |
| 1949 | Jun 10 |
| 1950 | May 23 |
| 1951 | May 18 |
| 1952 | May 19 |
| 1953 | May 28 |
| 1954 | May 30 |
| 1955 | May 18 |
| 1956 | Jun 10 |
| 1957 | May 23 |
| 1958 | May 17 |
| 1959 | May 10 |
| 1960 | May 5 |
| 1961 | May 18 |
| 1962 | May 16 |
| 1963 | May 14 |
| 1964 | May 16 |
| 1965 | May 29 |
| 1966 | May 19 |
| 1967 | May 25 |
| 1968 | May 21 |
| 1969 | May 24 |
| 1970 | May 26 |
| 1971 | Jun 7 |
| 1972 | May 26 |
| 1973 | May 1 |
| 1974 | Jun 1 |
| 1975 | May 20 |
| 1976 | May 29 |
| 1977 | May 21 |
| 1978 | May 26 |
| 1979 | Apr 26 |
| 1980 | May 24 |
| 1981 | May 22 |
| 1982 | May 23 |
| 1983 | May 27 |
| 1984 | May 9 |
| 1985 | May 17 |
| 1986 | May 26 |
| 1987 | May 27 |
| 1988 | May 9 |
| 1989 | May 6 |
| 1990 | May 25 |
| 1991 | May 23 |
| 1992 | May 16 |
| 1993 | May 12 |
| 1994 | Jun 5 |
| 1995 | May 29 |
| 1996 | May 10 |
| 1997 | May 28 |
| 1998 | May 17 |
| 1999 | May 2 |
| 2000 | May 22 |
| 2001 | May 22 |
| 2002 | May 14 |
| 2003 | May 19 |
| 2004 | May 26 |
| 2005 | May 14 |
| 2006 | May 9 |
| 2007 | May 28 |
| 2008 | May 15 |
| 2009 | May 24 |
| 2010 | May 22 |
| 2011 | May 23 |
| 2012 | May 3 |
| 2013 | May 21 |
| 2014 | May 29 |
| 2015 | Jun 2 |
| 2016 | Jun 2 |
| 2017 | May 30 |
| 2018 | Jun 18 |
| 2019 | May 20 |
| 2020 | May 24 |
| 2021 | May 5 |
| 2022 | May 9 |
| 2023 | May 30 |
| 2024 | May 5 |
| 2025 | May 17 |
| 2026 | May 19 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1937 | 154 |
| 1938 | 131 |
| 1939 | 136 |
| 1940 | 124 |
| 1941 | 69 |
| 1944 | 132 |
| 1945 | 142 |
| 1946 | 133 |
| 1947 | 123 |
| 1948 | 122 |
| 1949 | 103 |
| 1950 | 120 |
| 1951 | 138 |
| 1952 | 144 |
| 1953 | 125 |
| 1954 | 101 |
| 1955 | 128 |
| 1956 | 98 |
| 1957 | 144 |
| 1958 | 125 |
| 1959 | 145 |
| 1960 | 163 |
| 1961 | 156 |
| 1962 | 135 |
| 1963 | 122 |
| 1964 | 150 |
| 1965 | 123 |
| 1966 | 156 |
| 1967 | 169 |
| 1968 | 152 |
| 1969 | 117 |
| 1970 | 149 |
| 1971 | 119 |
| 1972 | 125 |
| 1973 | 174 |
| 1974 | 130 |
| 1975 | 143 |
| 1976 | 144 |
| 1977 | 170 |
| 1978 | 131 |
| 1979 | 160 |
| 1980 | 154 |
| 1981 | 142 |
| 1982 | 140 |
| 1983 | 136 |
| 1984 | 144 |
| 1985 | 156 |
| 1986 | 115 |
| 1987 | 137 |
| 1988 | 160 |
| 1989 | 165 |
| 1990 | 138 |
| 1991 | 145 |
| 1992 | 142 |
| 1993 | 147 |
| 1994 | 129 |
| 1995 | 144 |
| 1996 | 161 |
| 1997 | 144 |
| 1998 | 161 |
| 1999 | 169 |
| 2000 | 149 |
| 2001 | 159 |
| 2002 | 148 |
| 2003 | 168 |
| 2004 | 129 |
| 2005 | 151 |
| 2006 | 155 |
| 2007 | 154 |
| 2008 | 132 |
| 2009 | 142 |
| 2010 | 127 |
| 2011 | 137 |
| 2012 | 159 |
| 2013 | 143 |
| 2014 | 125 |
| 2015 | 123 |
| 2016 | 135 |
| 2017 | 125 |
| 2018 | 92 |
| 2019 | 138 |
| 2020 | 141 |
| 2021 | 156 |
| 2022 | 177 |
| 2023 | 158 |
| 2024 | 175 |
| 2025 | 140 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1933 | 10.5 °C |
| 1934 | 11.8 °C |
| 1937 | 12.7 °C |
| 1938 | 12.2 °C |
| 1939 | 10.8 °C |
| 1940 | 11.5 °C |
| 1941 | 9.9 °C |
| 1943 | 10.3 °C |
| 1944 | 11.9 °C |
| 1945 | 12.3 °C |
| 1946 | 11.5 °C |
| 1947 | 10.5 °C |
| 1948 | 11.1 °C |
| 1949 | 10.8 °C |
| 1950 | 11.3 °C |
| 1951 | 12.4 °C |
| 1952 | 11.8 °C |
| 1953 | 11.0 °C |
| 1954 | 9.1 °C |
| 1955 | 10.8 °C |
| 1956 | 10.3 °C |
| 1957 | 9.9 °C |
| 1958 | 11.4 °C |
| 1959 | 11.4 °C |
| 1960 | 12.1 °C |
| 1961 | 12.4 °C |
| 1962 | 10.3 °C |
| 1963 | 10.9 °C |
| 1964 | 10.4 °C |
| 1965 | 10.8 °C |
| 1966 | 11.6 °C |
| 1967 | 12.2 °C |
| 1968 | 11.1 °C |
| 1969 | 10.6 °C |
| 1970 | 11.8 °C |
| 1971 | 12.1 °C |
| 1972 | 10.0 °C |
| 1973 | 11.7 °C |
| 1974 | 10.4 °C |
| 1975 | 11.7 °C |
| 1976 | 12.4 °C |
| 1977 | 11.9 °C |
| 1978 | 11.2 °C |
| 1979 | 12.8 °C |
| 1980 | 10.8 °C |
| 1981 | 12.0 °C |
| 1982 | 10.9 °C |
| 1983 | 12.8 °C |
| 1984 | 12.3 °C |
| 1985 | 11.2 °C |
| 1986 | 11.4 °C |
| 1987 | 12.4 °C |
| 1988 | 11.9 °C |
| 1989 | 13.3 °C |
| 1990 | 12.4 °C |
| 1991 | 10.4 °C |
| 1992 | 10.8 °C |
| 1993 | 11.2 °C |
| 1994 | 11.5 °C |
| 1995 | 11.4 °C |
| 1996 | 12.0 °C |
| 1997 | 11.2 °C |
| 1998 | 12.2 °C |
| 1999 | 13.5 °C |
| 2000 | 11.9 °C |
| 2001 | 12.8 °C |
| 2002 | 11.6 °C |
| 2003 | 12.4 °C |
| 2004 | 11.9 °C |
| 2005 | 12.4 °C |
| 2006 | 13.6 °C |
| 2007 | 11.6 °C |
| 2008 | 12.9 °C |
| 2009 | 12.1 °C |
| 2010 | 12.7 °C |
| 2011 | 12.0 °C |
| 2012 | 14.2 °C |
| 2013 | 12.7 °C |
| 2014 | 12.6 °C |
| 2015 | 11.7 °C |
| 2016 | 11.9 °C |
| 2017 | 11.9 °C |
| 2018 | 11.7 °C |
| 2019 | 11.5 °C |
| 2020 | 12.5 °C |
| 2021 | 13.4 °C |
| 2022 | 13.6 °C |
| 2023 | 12.9 °C |
| 2024 | 14.0 °C |
| 2025 | 13.2 °C |
| 2026 | 11.9 °C |
What this means for you: Since 1934, Corner Brook's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown 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 Corner Brook (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.