When to plant in Killarney, MB
Planting dates worked out from Killarney's own frost records, not a generic zone chart.
Last spring frost
- Early · riskyMay 109 years in 10 still get a later frost
- TypicalMay 20about half of years get a later frost
- Safe to plant outMay 311 year in 10 gets a later frost
Hardy crops like peas and spinach are timed from the typical date. Wait for the safe date before planting out tomatoes, peppers and squash.
First fall frost
- EarlySep 81 year in 10 has frost by then
- TypicalSep 20about half of years have had frost
- LateSep 309 years in 10 have had frost by then
A typical year has 121 frost-free days. Plan for tender crops to be ripe by the early date.
Station used: Baldur · 28.9 km away · station 450 m, town 495 m. How we match towns to stations
Plan your garden.
Planting dates for common crops
| Crop | Start indoors | Plant out or sow | Harvest from |
|---|---|---|---|
| Tomato | Apr 5 – Apr 19 | May 31 – Jun 14 | Jul 25 |
| Sweet pepper | Mar 22 – Apr 5 | May 31 – Jun 14 | Jul 30 |
| Lettuce (leaf) | Mar 21 – Mar 28 | Apr 25 – May 9 | Jun 4 |
| Peas | — | Apr 25 – May 23 | Jun 19 |
| Bush beans | — | May 24 – Jun 14 | Jul 13 |
| Carrot | — | May 4 – Jun 15 | Jul 3 |
| Beet | — | May 4 – Jun 15 | Jun 23 |
| Potato | — | May 4 – May 25 | Jul 13 |
| Kale | Mar 21 – Apr 4 | May 2 – May 16 | Jun 14 |
| Broccoli | Mar 14 – Mar 28 | Apr 25 – May 16 | Jun 24 |
| Cucumber | May 3 – May 10 | May 31 – Jun 14 | Jul 20 |
| Summer squash and zucchini | May 3 – May 10 | May 31 – Jun 14 | Jul 15 |
| Winter squash | May 3 – May 10 | May 31 – Jun 14 | Aug 19 |
| Sweet corn | — | May 24 – Jun 14 | Jul 23 |
| Onion (from sets) | — | Apr 25 – May 16 | Jul 24 |
| Garlic | — | Sep 6 – Oct 4 (fall) | following summer |
| Spinach | — | Apr 25 – May 23 | Jun 2 |
| Basil | Apr 19 – May 3 | May 31 – Jun 14 | Jul 27 |
Killarney'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 |
|---|---|
| 1963 | May 23 |
| 1964 | Jun 10 |
| 1965 | May 28 |
| 1966 | May 27 |
| 1967 | May 15 |
| 1969 | Jun 20 |
| 1970 | May 26 |
| 1971 | May 20 |
| 1972 | May 8 |
| 1973 | Jun 7 |
| 1974 | May 18 |
| 1975 | May 22 |
| 1976 | May 7 |
| 1977 | May 7 |
| 1978 | Jun 7 |
| 1979 | May 20 |
| 1980 | May 16 |
| 1981 | May 30 |
| 1982 | Jun 1 |
| 1983 | Jun 5 |
| 1984 | May 28 |
| 1985 | Jun 2 |
| 1986 | May 17 |
| 1987 | May 23 |
| 1988 | May 16 |
| 1989 | Jun 8 |
| 1990 | May 18 |
| 1991 | May 7 |
| 1992 | May 26 |
| 1993 | Jun 3 |
| 1994 | May 15 |
| 1995 | May 21 |
| 1996 | May 13 |
| 1998 | May 31 |
| 1999 | May 9 |
| 2000 | May 31 |
| 2001 | May 11 |
| 2002 | May 25 |
| 2003 | May 21 |
| 2005 | May 16 |
| 2006 | May 22 |
| 2008 | May 28 |
| 2009 | Jun 6 |
| 2010 | May 10 |
| 2011 | May 26 |
| 2012 | Apr 27 |
| 2013 | May 13 |
| 2014 | May 17 |
| 2015 | May 31 |
| 2016 | May 15 |
| 2017 | May 20 |
| 2018 | May 19 |
| 2019 | May 28 |
| 2020 | May 13 |
| 2021 | May 28 |
| 2022 | May 21 |
| 2023 | May 3 |
| 2024 | May 25 |
| 2025 | May 17 |
See the data as a table
| Year | Frost-free days |
|---|---|
| 1963 | 111 |
| 1964 | 92 |
| 1965 | 113 |
| 1966 | 109 |
| 1967 | 134 |
| 1969 | 94 |
| 1970 | 109 |
| 1971 | 124 |
| 1972 | 122 |
| 1973 | 99 |
| 1974 | 124 |
| 1975 | 112 |
| 1976 | 136 |
| 1977 | 146 |
| 1978 | 105 |
| 1979 | 136 |
| 1980 | 124 |
| 1981 | 120 |
| 1982 | 85 |
| 1983 | 107 |
| 1984 | 117 |
| 1985 | 97 |
| 1986 | 114 |
| 1987 | 99 |
| 1988 | 116 |
| 1989 | 93 |
| 1990 | 120 |
| 1991 | 133 |
| 1992 | 104 |
| 1995 | 118 |
| 1998 | 122 |
| 1999 | 136 |
| 2000 | 114 |
| 2001 | 124 |
| 2002 | 121 |
| 2003 | 129 |
| 2005 | 134 |
| 2008 | 121 |
| 2009 | 114 |
| 2010 | 144 |
| 2011 | 110 |
| 2012 | 142 |
| 2013 | 130 |
| 2014 | 117 |
| 2015 | 120 |
| 2016 | 143 |
| 2017 | 131 |
| 2018 | 121 |
| 2019 | 102 |
| 2020 | 117 |
| 2021 | 136 |
| 2022 | 123 |
| 2023 | 156 |
| 2024 | 140 |
| 2025 | 141 |
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1963 | 13.7 °C |
| 1964 | 12.9 °C |
| 1965 | 12.1 °C |
| 1966 | 12.9 °C |
| 1967 | 12.8 °C |
| 1968 | 12.4 °C |
| 1969 | 13.2 °C |
| 1970 | 13.2 °C |
| 1971 | 13.5 °C |
| 1972 | 13.2 °C |
| 1973 | 13.3 °C |
| 1974 | 12.2 °C |
| 1975 | 13.0 °C |
| 1976 | 14.6 °C |
| 1977 | 14.4 °C |
| 1978 | 14.2 °C |
| 1979 | 12.0 °C |
| 1980 | 14.1 °C |
| 1981 | 13.4 °C |
| 1982 | 11.5 °C |
| 1983 | 13.4 °C |
| 1984 | 13.8 °C |
| 1985 | 12.5 °C |
| 1986 | 13.2 °C |
| 1987 | 14.9 °C |
| 1988 | 15.4 °C |
| 1989 | 14.2 °C |
| 1990 | 13.5 °C |
| 1991 | 15.0 °C |
| 1992 | 11.6 °C |
| 1995 | 13.0 °C |
| 1998 | 14.8 °C |
| 1999 | 13.4 °C |
| 2000 | 12.9 °C |
| 2001 | 13.9 °C |
| 2002 | 12.8 °C |
| 2003 | 14.6 °C |
| 2005 | 13.8 °C |
| 2006 | 14.8 °C |
| 2008 | 12.9 °C |
| 2009 | 13.1 °C |
| 2010 | 14.3 °C |
| 2011 | 13.9 °C |
| 2012 | 15.0 °C |
| 2013 | 12.9 °C |
| 2014 | 13.2 °C |
| 2015 | 14.5 °C |
| 2016 | 13.6 °C |
| 2017 | 13.8 °C |
| 2018 | 12.9 °C |
| 2019 | 12.1 °C |
| 2020 | 12.8 °C |
| 2021 | 14.9 °C |
| 2022 | 13.9 °C |
| 2023 | 15.2 °C |
| 2024 | 15.5 °C |
| 2025 | 14.7 °C |
What this means for you: Since 1963, Killarney's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 4 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Baldur (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.