When to plant in Kaleden, BC
Planting dates worked out from Kaleden's own frost records, not a generic zone chart.
Safe to plant out
May 10
1 year in 10 has a later frost
Average last frost
Apr 30
about a 50% chance of a later one
Average first fall frost
Oct 7
1 year in 10 by Sep 23
Frost-free days
157
median, 1991–2020
Station used: Penticton A · 7.2 km away · station 344 m, town 435 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 | Mar 15 – Mar 29 | May 10 – May 24 | Jul 4 |
| Sweet pepper | Mar 1 – Mar 15 | May 10 – May 24 | Jul 9 |
| Lettuce (leaf) | Feb 26 – Mar 5 | Apr 2 – Apr 16 | May 12 |
| Peas | — | Mar 24 – Apr 21 | May 18 |
| Bush beans | — | May 3 – May 24 | Jun 22 |
| Carrot | — | Apr 9 – May 21 | Jun 8 |
| Beet | — | Apr 9 – May 21 | May 29 |
| Potato | — | Apr 9 – Apr 30 | Jun 18 |
| Kale | Feb 19 – Mar 5 | Apr 2 – Apr 16 | May 15 |
| Broccoli | Feb 19 – Mar 5 | Apr 2 – Apr 23 | Jun 1 |
| Cucumber | Apr 12 – Apr 19 | May 10 – May 24 | Jun 29 |
| Summer squash and zucchini | Apr 12 – Apr 19 | May 10 – May 24 | Jun 24 |
| Winter squash | Apr 12 – Apr 19 | May 10 – May 24 | Jul 29 |
| Sweet corn | — | May 3 – May 24 | Jul 2 |
| Onion (from sets) | — | Apr 2 – Apr 23 | Jul 1 |
| Garlic | — | Sep 23 – Oct 21 (fall) | following summer |
| Spinach | — | Mar 24 – Apr 21 | May 1 |
| Basil | Mar 29 – Apr 12 | May 10 – May 24 | Jul 6 |
Kaleden'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 |
|---|---|
| 1942 | May 16 |
| 1943 | May 17 |
| 1944 | May 10 |
| 1945 | May 7 |
| 1946 | May 10 |
| 1947 | Apr 22 |
| 1948 | May 2 |
| 1949 | May 5 |
| 1950 | May 18 |
| 1951 | Apr 27 |
| 1952 | Jun 13 |
| 1953 | May 3 |
| 1954 | May 2 |
| 1955 | May 23 |
| 1956 | May 13 |
| 1957 | Apr 26 |
| 1958 | May 13 |
| 1959 | May 11 |
| 1960 | May 8 |
| 1961 | Apr 24 |
| 1962 | Jun 4 |
| 1963 | May 10 |
| 1964 | May 23 |
| 1965 | May 7 |
| 1966 | May 17 |
| 1967 | May 5 |
| 1968 | May 2 |
| 1969 | Apr 26 |
| 1970 | May 12 |
| 1971 | Apr 29 |
| 1972 | May 1 |
| 1973 | May 21 |
| 1974 | May 16 |
| 1975 | Apr 30 |
| 1976 | May 18 |
| 1977 | May 5 |
| 1978 | Apr 22 |
| 1979 | Apr 24 |
| 1980 | Apr 16 |
| 1981 | Apr 25 |
| 1982 | May 5 |
| 1983 | Apr 15 |
| 1984 | May 4 |
| 1985 | May 12 |
| 1986 | May 23 |
| 1987 | Apr 20 |
| 1988 | Apr 10 |
| 1989 | Apr 18 |
| 1990 | Apr 30 |
| 1991 | Apr 28 |
| 1992 | May 1 |
| 1994 | Apr 14 |
| 1995 | Apr 21 |
| 1996 | May 9 |
| 1997 | Apr 30 |
| 1998 | Apr 25 |
| 1999 | May 10 |
| 2000 | May 8 |
| 2001 | May 6 |
| 2002 | May 10 |
| 2003 | May 17 |
| 2004 | Apr 9 |
| 2005 | Apr 30 |
| 2006 | May 9 |
| 2007 | Apr 21 |
| 2008 | May 2 |
| 2009 | May 1 |
| 2010 | Apr 25 |
| 2011 | May 4 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1942 | 124 |
| 1943 | 147 |
| 1944 | 149 |
| 1945 | 142 |
| 1946 | 134 |
| 1947 | 144 |
| 1948 | 145 |
| 1949 | 129 |
| 1950 | 134 |
| 1951 | 172 |
| 1952 | 91 |
| 1953 | 143 |
| 1954 | 151 |
| 1955 | 121 |
| 1956 | 144 |
| 1957 | 145 |
| 1958 | 133 |
| 1959 | 157 |
| 1960 | 153 |
| 1961 | 151 |
| 1962 | 122 |
| 1963 | 161 |
| 1964 | 132 |
| 1965 | 143 |
| 1966 | 144 |
| 1967 | 166 |
| 1968 | 152 |
| 1969 | 168 |
| 1970 | 123 |
| 1971 | 140 |
| 1972 | 146 |
| 1973 | 133 |
| 1974 | 141 |
| 1975 | 159 |
| 1976 | 149 |
| 1977 | 149 |
| 1978 | 173 |
| 1979 | 178 |
| 1980 | 182 |
| 1981 | 153 |
| 1982 | 152 |
| 1983 | 157 |
| 1984 | 142 |
| 1985 | 138 |
| 1986 | 140 |
| 1987 | 172 |
| 1988 | 190 |
| 1989 | 168 |
| 1990 | 158 |
| 1991 | 158 |
| 1992 | 137 |
| 1994 | 173 |
| 1995 | 180 |
| 1996 | 136 |
| 1997 | 160 |
| 1998 | 173 |
| 1999 | 140 |
| 2000 | 137 |
| 2001 | 153 |
| 2002 | 154 |
| 2003 | 150 |
| 2004 | 196 |
| 2005 | 154 |
| 2006 | 152 |
| 2007 | 160 |
| 2008 | 156 |
| 2009 | 159 |
| 2010 | 173 |
| 2011 | 163 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1941 | 15.8 °C |
| 1942 | 15.5 °C |
| 1943 | 15.2 °C |
| 1944 | 15.9 °C |
| 1945 | 15.3 °C |
| 1946 | 15.5 °C |
| 1947 | 15.6 °C |
| 1948 | 14.8 °C |
| 1949 | 15.6 °C |
| 1950 | 15.4 °C |
| 1951 | 15.5 °C |
| 1952 | 15.5 °C |
| 1953 | 15.0 °C |
| 1954 | 14.2 °C |
| 1955 | 14.5 °C |
| 1956 | 16.1 °C |
| 1957 | 15.9 °C |
| 1958 | 17.7 °C |
| 1959 | 15.2 °C |
| 1960 | 15.7 °C |
| 1961 | 16.6 °C |
| 1962 | 15.2 °C |
| 1963 | 15.8 °C |
| 1964 | 14.6 °C |
| 1965 | 15.6 °C |
| 1966 | 15.5 °C |
| 1967 | 16.7 °C |
| 1968 | 15.1 °C |
| 1969 | 16.3 °C |
| 1970 | 15.7 °C |
| 1971 | 15.8 °C |
| 1972 | 14.9 °C |
| 1973 | 16.0 °C |
| 1974 | 15.8 °C |
| 1975 | 15.4 °C |
| 1976 | 14.9 °C |
| 1977 | 15.9 °C |
| 1978 | 15.5 °C |
| 1979 | 16.5 °C |
| 1980 | 15.8 °C |
| 1981 | 15.4 °C |
| 1982 | 15.5 °C |
| 1983 | 15.3 °C |
| 1984 | 14.9 °C |
| 1985 | 15.9 °C |
| 1986 | 15.7 °C |
| 1987 | 17.0 °C |
| 1988 | 16.1 °C |
| 1989 | 16.4 °C |
| 1990 | 16.7 °C |
| 1991 | 16.0 °C |
| 1992 | 16.9 °C |
| 1994 | 17.1 °C |
| 1995 | 16.4 °C |
| 1996 | 15.3 °C |
| 1997 | 15.9 °C |
| 1998 | 17.7 °C |
| 1999 | 15.2 °C |
| 2000 | 15.7 °C |
| 2001 | 16.2 °C |
| 2002 | 16.4 °C |
| 2003 | 17.2 °C |
| 2004 | 17.1 °C |
| 2005 | 16.6 °C |
| 2006 | 16.8 °C |
| 2007 | 16.4 °C |
| 2008 | 15.7 °C |
| 2009 | 17.1 °C |
| 2010 | 16.0 °C |
| 2011 | 15.7 °C |
What this means for you: Since 1942, Kaleden's last spring frost has come about 2 days 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 Penticton A (NOAA GHCN-Daily, from Environment and Climate Change Canada). Years with too many missing days are left out.