When to plant in Evergreen, MT

Planting dates worked out from Evergreen's own frost records, not a generic zone chart.

Safe to plant out

Jun 21

1 year in 10 has a later frost

Average last frost

May 29

about a 50% chance of a later one

Average first fall frost

Sep 10

1 year in 10 by Aug 25

Frost-free days

106

median, 1991–2020

Station used: Kalispell Glacier Ap · 8.8 km away · station 903 m, town 891 m. How we match towns to stations

This season

Plan your garden.

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Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Apr 26 – May 10	Jun 21 – Jul 5	Aug 15
Sweet pepper	Apr 12 – Apr 26	Jun 21 – Jul 5	Aug 20
Lettuce (leaf)	Mar 27 – Apr 3	May 1 – May 15	Jun 10
Peas	—	Apr 17 – May 15	Jun 11
Bush beans	—	Jun 14 – Jul 5	Aug 3
Carrot	—	May 8 – Jun 19	Jul 7
Beet	—	May 1 – Jun 12	Jun 20
Potato	—	May 8 – May 29	Jul 17
Kale	Mar 20 – Apr 3	May 1 – May 15	Jun 13
Broccoli	Mar 20 – Apr 3	May 1 – May 22	Jun 30
Cucumber	May 24 – May 31	Jun 21 – Jul 5	Aug 10
Summer squash and zucchini	May 24 – May 31	Jun 21 – Jul 5	Aug 5
Winter squash Season likely too short	May 24 – May 31	Jun 21 – Jul 5	Sep 9
Sweet corn	—	Jun 14 – Jul 5	Aug 13
Onion (from sets)	—	May 1 – May 22	Jul 30
Garlic	—	Aug 27 – Sep 24 (fall)	following summer
Spinach	—	Apr 17 – May 15	May 25
Basil	May 10 – May 24	Jun 21 – Jul 5	Aug 17

Plan all 65 crops for Evergreen

Evergreen'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
1897	Jun 18
1898	Apr 11
1899	May 13
1900	May 23
1901	Jun 8
1902	Jun 20
1903	May 18
1904	May 25
1905	May 23
1906	May 5
1907	May 12
1908	Apr 30
1909	May 14
1910	May 16
1911	May 29
1912	May 2
1913	May 12
1914	May 29
1915	May 16
1916	May 31
1917	May 31
1918	Jun 3
1919	May 13
1920	May 30
1921	May 12
1922	May 23
1923	May 15
1924	Jun 7
1925	May 10
1926	May 25
1927	May 9
1928	May 3
1929	May 15
1930	May 26
1931	May 21
1932	May 25
1933	May 19
1935	May 13
1936	Apr 6
1937	May 6
1938	Apr 24
1939	May 6
1940	May 7
1941	May 9
1942	May 17
1943	May 13
1944	May 3
1945	Apr 29
1946	May 11
1947	May 28
1948	Apr 27
1950	May 31
1951	Jun 2
1952	Jun 13
1953	May 23
1954	May 26
1955	May 31
1956	May 6
1957	May 23
1958	Apr 30
1959	Jun 11
1960	Jun 18
1961	May 3
1962	Jul 4
1963	May 23
1964	Jun 28
1965	Jun 8
1966	May 19
1967	May 26
1968	May 31
1969	Jun 13
1970	May 12
1971	Jul 7
1972	May 4
1973	Jul 2
1974	May 19
1975	Jun 29
1976	May 21
1977	May 30
1978	May 25
1979	Jul 3
1980	Jun 4
1981	May 5
1982	May 31
1983	Jun 21
1984	Jun 2
1985	Jun 25
1986	May 23
1987	Jun 3
1988	May 15
1989	May 21
1990	May 10
1991	Jun 18
1992	May 21
1993	May 3
1994	Jun 8
1995	Jun 7
1996	Jun 20
1997	May 21
1998	May 19
1999	Jul 3
2000	Jul 5
2001	Jun 5
2002	Jun 7
2003	May 20
2004	May 15
2005	May 25
2006	May 13
2007	Jun 26
2008	May 10
2009	Jun 9
2010	May 24
2011	Jun 4
2012	Jun 7
2013	May 26
2014	May 30
2015	May 10
2016	Jun 15
2017	May 15
2018	May 12
2019	May 4
2020	May 5
2021	May 29
2022	May 23
2023	Jun 22
2024	May 31
2025	May 6
2026	May 21

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1897	84
1898	147
1899	142
1900	124
1901	98
1902	89
1903	118
1904	118
1905	117
1906	128
1907	143
1908	131
1909	131
1910	100
1911	112
1912	134
1913	120
1914	127
1915	119
1916	105
1917	137
1918	126
1919	131
1920	130
1921	120
1922	141
1923	124
1924	102
1925	132
1926	116
1927	154
1928	139
1929	113
1930	136
1931	124
1932	118
1933	128
1935	136
1936	162
1937	141
1938	172
1939	145
1940	151
1941	133
1942	123
1943	128
1944	137
1945	150
1946	134
1947	108
1948	149
1950	102
1951	115
1952	86
1953	119
1954	125
1955	109
1956	121
1957	108
1958	125
1959	79
1960	79
1961	131
1962	49
1963	117
1964	74
1965	90
1966	103
1967	119
1968	120
1969	64
1970	120
1971	66
1972	128
1973	61
1974	105
1975	80
1976	110
1977	115
1978	114
1979	89
1980	86
1981	140
1982	102
1983	76
1984	102
1985	88
1986	122
1987	105
1988	115
1989	110
1990	147
1991	68
1992	95
1993	113
1994	95
1995	104
1996	73
1997	114
1998	124
1999	58
2000	45
2001	80
2002	105
2003	133
2004	128
2005	118
2006	110
2007	75
2008	123
2009	91
2010	121
2011	108
2012	78
2013	122
2014	103
2015	104
2016	85
2017	124
2018	123
2019	145
2020	125
2021	109
2022	109
2023	104
2024	113
2025	143

Each year's average temperature, April to SeptemberLong-term trend

See the data as a table

Year	Growing-season temperature
1897	14.4 °C
1898	15.9 °C
1899	11.7 °C
1900	13.3 °C
1901	12.6 °C
1902	11.8 °C
1903	12.2 °C
1904	13.6 °C
1905	13.5 °C
1906	14.0 °C
1907	12.2 °C
1908	13.2 °C
1909	12.4 °C
1910	13.8 °C
1911	12.3 °C
1912	12.7 °C
1913	13.1 °C
1914	13.5 °C
1915	13.5 °C
1916	12.2 °C
1917	13.2 °C
1918	13.2 °C
1919	14.1 °C
1920	12.8 °C
1921	13.2 °C
1922	13.9 °C
1923	13.8 °C
1924	13.3 °C
1925	14.2 °C
1926	13.5 °C
1927	12.7 °C
1928	13.3 °C
1929	13.2 °C
1930	14.7 °C
1931	14.6 °C
1932	14.1 °C
1933	13.4 °C
1935	12.9 °C
1936	15.3 °C
1937	14.0 °C
1938	14.9 °C
1939	14.2 °C
1940	15.5 °C
1941	14.3 °C
1942	13.5 °C
1943	13.3 °C
1944	13.9 °C
1945	13.3 °C
1946	13.8 °C
1947	13.8 °C
1948	13.3 °C
1950	12.8 °C
1951	12.4 °C
1952	13.8 °C
1953	13.0 °C
1954	12.2 °C
1955	12.4 °C
1956	13.6 °C
1957	13.9 °C
1958	14.9 °C
1959	12.6 °C
1960	13.4 °C
1961	14.1 °C
1962	13.1 °C
1963	13.6 °C
1964	11.8 °C
1965	11.9 °C
1966	13.2 °C
1967	13.8 °C
1968	12.7 °C
1969	13.6 °C
1970	13.2 °C
1971	13.1 °C
1972	13.1 °C
1973	13.8 °C
1974	13.7 °C
1975	12.9 °C
1976	13.6 °C
1977	13.5 °C
1978	13.0 °C
1979	14.5 °C
1980	13.7 °C
1981	13.5 °C
1982	12.4 °C
1983	12.7 °C
1984	12.8 °C
1985	13.0 °C
1986	13.9 °C
1987	14.3 °C
1988	14.2 °C
1989	13.6 °C
1990	14.2 °C
1991	13.0 °C
1992	13.6 °C
1993	12.7 °C
1994	14.0 °C
1995	12.4 °C
1996	12.5 °C
1997	12.8 °C
1998	14.6 °C
1999	12.4 °C
2000	12.9 °C
2001	13.3 °C
2002	13.0 °C
2003	14.5 °C
2004	13.6 °C
2005	12.7 °C
2006	14.0 °C
2007	14.2 °C
2008	13.2 °C
2009	14.1 °C
2010	12.6 °C
2011	12.8 °C
2012	13.6 °C
2013	14.3 °C
2014	13.8 °C
2015	14.3 °C
2016	14.2 °C
2017	14.2 °C
2018	13.7 °C
2019	13.7 °C
2020	13.4 °C
2021	14.7 °C
2022	13.3 °C
2023	15.0 °C
2024	14.7 °C
2025	14.6 °C
2026	13.8 °C

What this means for you: Since 1897, Evergreen's last spring frost has come about 1 day 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 Kalispell Glacier Ap (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Kalispell Somers Columbia Falls Whitefish Lakeside Bigfork