When to plant in Warroad, MN

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

Safe to plant out

May 24

1 year in 10 has a later frost

Average last frost

May 13

about a 50% chance of a later one

Average first fall frost

Sep 26

1 year in 10 by Sep 14

Frost-free days

137

median, 1991–2020

Station used: Warroad · 1.7 km away · station 327 m, town 325 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	Mar 29 – Apr 12	May 24 – Jun 7	Jul 18
Sweet pepper	Mar 15 – Mar 29	May 24 – Jun 7	Jul 23
Lettuce (leaf)	Mar 21 – Mar 28	Apr 25 – May 9	Jun 4
Peas	—	Apr 25 – May 23	Jun 19
Bush beans	—	May 17 – Jun 7	Jul 6
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	Apr 26 – May 3	May 24 – Jun 7	Jul 13
Summer squash and zucchini	Apr 26 – May 3	May 24 – Jun 7	Jul 8
Winter squash	Apr 26 – May 3	May 24 – Jun 7	Aug 12
Sweet corn	—	May 17 – Jun 7	Jul 16
Onion (from sets)	—	Apr 25 – May 16	Jul 24
Garlic	—	Sep 12 – Oct 10 (fall)	following summer
Spinach	—	Apr 25 – May 23	Jun 2
Basil	Apr 12 – Apr 26	May 24 – Jun 7	Jul 20

Plan all 65 crops for Warroad

Warroad'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
1901	Jun 8
1903	May 6
1910	Jun 6
1911	May 29
1912	Jun 18
1913	Jun 8
1915	Jun 9
1917	Jun 15
1918	May 23
1919	May 8
1920	May 13
1921	Jun 4
1922	Apr 28
1923	May 16
1924	Jun 7
1925	Jun 27
1926	May 20
1927	May 7
1928	Jun 3
1929	May 24
1930	May 29
1931	May 30
1932	May 4
1933	May 20
1934	May 24
1935	Jun 5
1936	May 19
1937	May 13
1938	May 24
1939	May 13
1940	Jun 19
1941	May 23
1942	May 10
1943	May 14
1944	May 8
1945	Jun 3
1946	May 16
1947	May 30
1948	May 28
1949	Jun 7
1950	May 16
1951	May 10
1952	May 29
1953	Jun 6
1954	May 25
1955	May 8
1956	May 24
1957	May 9
1958	Jun 24
1959	May 22
1960	Jun 6
1961	May 26
1962	May 9
1963	May 22
1964	Jun 1
1965	May 28
1966	May 27
1967	May 21
1968	May 20
1969	Jun 12
1970	May 26
1971	May 11
1972	May 8
1973	May 17
1974	May 15
1975	May 15
1976	May 17
1977	May 7
1978	May 7
1979	May 21
1981	May 30
1982	Jun 25
1983	May 25
1984	May 28
1985	May 20
1987	Apr 22
1988	May 13
1989	May 7
1990	May 18
1991	May 5
1992	May 24
1993	May 26
1994	May 13
1995	May 21
1996	May 12
1997	May 15
1999	May 9
2000	May 15
2001	Apr 24
2002	May 24
2003	May 2
2004	May 14
2006	May 5
2007	Apr 25
2009	Jun 6
2010	May 9
2011	May 3
2012	May 20

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1910	72
1911	96
1912	79
1913	96
1915	97
1917	86
1918	103
1919	139
1920	139
1921	120
1922	140
1923	118
1924	112
1925	77
1926	114
1927	140
1928	111
1929	115
1930	122
1931	130
1932	124
1933	128
1934	95
1935	95
1936	127
1937	121
1938	117
1939	129
1940	97
1941	95
1942	131
1943	118
1944	145
1945	113
1946	108
1947	108
1948	125
1949	107
1950	136
1951	136
1952	116
1953	119
1954	119
1955	124
1956	104
1957	136
1958	97
1959	117
1960	98
1961	77
1962	132
1964	79
1966	120
1967	125
1968	135
1969	96
1970	109
1971	129
1972	136
1973	121
1974	128
1975	119
1976	126
1977	144
1978	142
1979	122
1981	120
1982	62
1983	120
1984	117
1985	126
1987	155
1988	141
1989	138
1990	127
1991	135
1992	117
1993	123
1994	148
1995	120
1996	139
1997	147
1999	133
2001	163
2003	148
2004	140
2006	156
2007	141
2010	131
2011	133
2012	116

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

See the data as a table

Year	Growing-season temperature
1901	13.6 °C
1910	13.7 °C
1911	13.5 °C
1912	12.2 °C
1913	14.0 °C
1915	14.2 °C
1917	12.7 °C
1918	12.9 °C
1919	14.8 °C
1920	13.5 °C
1921	14.4 °C
1922	14.8 °C
1923	13.8 °C
1924	11.6 °C
1925	13.7 °C
1926	12.9 °C
1927	12.8 °C
1928	12.9 °C
1929	12.9 °C
1930	14.0 °C
1931	14.7 °C
1932	14.5 °C
1933	14.9 °C
1936	14.0 °C
1937	14.6 °C
1938	14.5 °C
1939	14.0 °C
1940	13.4 °C
1941	14.9 °C
1942	13.2 °C
1943	13.6 °C
1944	13.7 °C
1945	11.7 °C
1946	13.5 °C
1947	13.2 °C
1948	14.2 °C
1949	14.5 °C
1950	12.2 °C
1951	13.0 °C
1952	14.9 °C
1953	13.6 °C
1954	12.7 °C
1955	15.8 °C
1956	12.8 °C
1957	13.9 °C
1958	13.5 °C
1959	14.3 °C
1960	13.7 °C
1961	13.9 °C
1962	13.1 °C
1964	13.2 °C
1965	12.8 °C
1966	13.7 °C
1967	13.5 °C
1968	13.5 °C
1969	14.1 °C
1970	14.0 °C
1971	13.8 °C
1972	13.3 °C
1973	13.9 °C
1974	12.9 °C
1975	13.2 °C
1976	14.9 °C
1977	15.4 °C
1978	14.3 °C
1981	14.4 °C
1982	13.1 °C
1983	14.1 °C
1984	14.1 °C
1987	15.3 °C
1988	15.3 °C
1989	14.5 °C
1990	13.9 °C
1991	15.2 °C
1992	12.0 °C
1993	12.3 °C
1994	13.8 °C
1995	13.8 °C
1996	12.7 °C
1997	13.6 °C
1999	14.4 °C
2000	13.7 °C
2001	14.9 °C
2003	14.5 °C
2004	12.7 °C
2006	15.6 °C
2007	14.4 °C
2010	14.5 °C
2011	13.5 °C
2012	13.3 °C

What this means for you: Since 1901, Warroad's last spring frost has come about 2 days earlier per decade, on average. The frost-free season has grown by about 3 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

Source: daily records from Warroad (NOAA GHCN-Daily). Years with too many missing days are left out.

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