When to plant in Greenville, MI

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

Safe to plant out

May 31

1 year in 10 has a later frost

Average last frost

May 15

about a 50% chance of a later one

Average first fall frost

Sep 29

1 year in 10 by Sep 17

Frost-free days

142

median, 1991–2020

Station used: Greenville 2 Nne · 2.9 km away · station 271 m, town 255 m. How we match towns to stations

This season

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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 13 – Mar 20	Apr 17 – May 1	May 27
Peas	—	Apr 7 – May 5	Jun 1
Bush beans	—	May 24 – Jun 14	Jul 13
Carrot	—	Apr 24 – Jun 5	Jun 23
Beet	—	Apr 17 – May 29	Jun 6
Potato	—	Apr 24 – May 15	Jul 3
Kale	Mar 6 – Mar 20	Apr 17 – May 1	May 30
Broccoli	Mar 6 – Mar 20	Apr 17 – May 8	Jun 16
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 17 – May 8	Jul 16
Garlic	—	Sep 15 – Oct 13 (fall)	following summer
Spinach	—	Apr 7 – May 5	May 15
Basil	Apr 19 – May 3	May 31 – Jun 14	Jul 27

Plan all 65 crops for Greenville

Greenville'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
1913	May 24
1914	May 15
1915	May 27
1916	Apr 10
1920	May 15
1921	May 17
1922	Apr 29
1923	May 13
1924	May 20
1925	May 25
1926	May 23
1927	May 1
1928	May 26
1929	May 11
1931	May 24
1932	May 2
1933	Apr 27
1934	May 12
1935	May 6
1936	Apr 24
1937	May 10
1938	May 12
1939	May 12
1940	May 4
1941	Apr 25
1942	Apr 20
1943	May 2
1944	Apr 29
1945	May 11
1946	May 13
1947	May 10
1948	May 8
1949	May 26
1950	May 2
1951	Apr 23
1952	Apr 12
1953	Apr 28
1954	May 11
1955	May 8
1956	May 24
1957	May 5
1958	May 26
1959	May 1
1960	Apr 28
1961	May 27
1962	Apr 24
1963	May 24
1964	Apr 25
1965	May 30
1966	May 29
1967	May 12
1968	May 6
1969	May 23
1970	May 6
1971	May 22
1972	Jun 11
1973	May 18
1974	May 10
1975	Apr 26
1976	May 19
1977	May 11
1978	May 3
1979	May 13
1980	Jun 11
1981	May 19
1982	Apr 28
1983	May 27
1984	May 16
1985	Apr 17
1986	May 3
1987	May 5
1988	May 25
1989	May 8
1990	May 11
1991	May 3
1992	Jun 22
1993	Jun 1
1994	May 27
1995	Apr 29
1996	May 30
1997	May 22
1998	Apr 28
1999	Apr 30
2000	Apr 26
2001	Apr 25
2002	May 20
2003	May 3
2004	May 5
2005	May 17
2006	May 23
2007	May 18
2008	May 28
2009	May 31
2010	May 10
2011	May 5
2012	Apr 29
2013	May 24
2014	May 17
2015	May 20
2016	May 15
2017	May 9
2018	Apr 30
2019	May 21
2020	May 31
2021	May 30
2022	May 23
2023	May 26
2024	Apr 26

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1914	162
1916	161
1920	166
1921	148
1922	166
1923	144
1924	153
1925	134
1926	125
1927	169
1928	124
1929	145
1931	146
1932	162
1933	168
1934	154
1935	144
1936	170
1937	155
1938	147
1939	141
1940	144
1941	168
1942	160
1943	144
1944	165
1945	144
1946	140
1947	135
1948	158
1949	125
1950	144
1951	158
1952	173
1953	161
1954	148
1955	158
1958	124
1959	170
1960	155
1961	124
1962	149
1963	132
1964	140
1965	119
1966	119
1967	133
1968	151
1969	144
1970	145
1971	137
1972	119
1973	153
1974	134
1975	140
1976	125
1977	147
1978	157
1979	128
1980	107
1981	126
1982	170
1983	119
1984	136
1985	167
1986	155
1987	148
1988	132
1989	138
1990	153
1991	140
1992	92
1993	120
1994	127
1995	146
1996	122
1997	104
1998	156
1999	144
2000	154
2001	164
2002	146
2003	151
2004	147
2005	144
2006	128
2007	120
2008	126
2009	122
2010	145
2011	132
2012	142
2013	115
2015	142
2016	146
2017	169
2018	151
2019	145
2020	110
2022	122
2023	134

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

See the data as a table

Year	Growing-season temperature
1913	17.2 °C
1914	16.4 °C
1916	17.1 °C
1920	16.1 °C
1921	19.3 °C
1922	17.4 °C
1923	16.6 °C
1924	14.8 °C
1925	17.2 °C
1926	15.8 °C
1927	15.9 °C
1928	15.8 °C
1929	16.4 °C
1931	18.1 °C
1932	17.1 °C
1933	18.2 °C
1934	17.9 °C
1935	16.2 °C
1936	17.7 °C
1937	17.2 °C
1938	17.1 °C
1939	17.5 °C
1940	16.1 °C
1941	17.9 °C
1942	17.2 °C
1943	16.2 °C
1944	17.1 °C
1945	16.1 °C
1946	17.0 °C
1947	16.6 °C
1948	17.7 °C
1949	17.7 °C
1950	15.5 °C
1951	16.8 °C
1952	17.7 °C
1953	17.4 °C
1954	17.1 °C
1955	18.9 °C
1958	16.7 °C
1959	18.5 °C
1960	17.2 °C
1961	16.4 °C
1962	17.0 °C
1963	16.7 °C
1964	17.2 °C
1965	16.4 °C
1966	15.8 °C
1967	15.9 °C
1968	17.1 °C
1969	16.7 °C
1970	17.2 °C
1971	16.9 °C
1972	16.2 °C
1973	16.9 °C
1974	16.0 °C
1975	16.4 °C
1976	16.7 °C
1977	18.0 °C
1978	16.7 °C
1979	16.2 °C
1980	16.2 °C
1981	15.8 °C
1982	16.2 °C
1983	16.7 °C
1984	16.6 °C
1985	17.1 °C
1986	16.8 °C
1987	18.0 °C
1988	17.7 °C
1989	16.1 °C
1990	16.5 °C
1991	17.7 °C
1992	14.6 °C
1993	15.5 °C
1994	15.9 °C
1995	17.3 °C
1996	14.8 °C
1997	13.9 °C
1998	18.2 °C
1999	17.9 °C
2000	16.8 °C
2001	17.6 °C
2002	17.6 °C
2003	16.4 °C
2004	16.4 °C
2005	17.6 °C
2006	16.9 °C
2007	17.4 °C
2008	16.6 °C
2009	15.3 °C
2010	17.4 °C
2011	16.7 °C
2013	16.6 °C
2015	16.9 °C
2016	17.2 °C
2017	17.2 °C
2018	17.0 °C
2019	16.6 °C
2020	16.4 °C
2022	16.5 °C
2023	16.5 °C
2024	17.6 °C

What this means for you: Since 1913, Greenville's last spring frost has stayed at about the same time of year. 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 Greenville 2 Nne (NOAA GHCN-Daily). Years with too many missing days are left out.

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