When to plant in Greenville, OH

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

Safe to plant out

May 12

1 year in 10 has a later frost

Average last frost

Apr 27

about a 50% chance of a later one

Average first fall frost

Oct 15

1 year in 10 by Oct 2

Frost-free days

170

median, 1991–2020

Station used: Greenville Wtp · 1.5 km away · station 314 m, town 318 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 17 – Mar 31	May 12 – May 26	Jul 6
Sweet pepper	Mar 3 – Mar 17	May 12 – May 26	Jul 11
Lettuce (leaf)	Feb 23 – Mar 2	Mar 30 – Apr 13	May 9
Peas	—	Mar 26 – Apr 23	May 20
Bush beans	—	May 5 – May 26	Jun 24
Carrot	—	Apr 6 – May 18	Jun 5
Beet	—	Apr 4 – May 16	May 24
Potato	—	Apr 6 – Apr 27	Jun 15
Kale	Feb 19 – Mar 5	Apr 2 – Apr 16	May 15
Broccoli	Feb 16 – Mar 2	Mar 30 – Apr 20	May 29
Cucumber	Apr 14 – Apr 21	May 12 – May 26	Jul 1
Summer squash and zucchini	Apr 14 – Apr 21	May 12 – May 26	Jun 26
Winter squash	Apr 14 – Apr 21	May 12 – May 26	Jul 31
Sweet corn	—	May 5 – May 26	Jul 4
Onion (from sets)	—	Mar 30 – Apr 20	Jun 28
Garlic	—	Oct 1 – Oct 29 (fall)	following summer
Spinach	—	Mar 26 – Apr 23	May 3
Basil	Mar 31 – Apr 14	May 12 – May 26	Jul 8

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
1894	Apr 13
1895	May 17
1896	Apr 8
1897	Apr 20
1898	Apr 8
1899	Apr 9
1900	Apr 14
1901	Apr 21
1902	Apr 15
1903	May 4
1904	May 16
1905	Apr 23
1906	May 10
1907	May 21
1908	Apr 17
1909	May 2
1910	Apr 25
1911	Apr 10
1912	Apr 19
1913	Apr 20
1914	Apr 21
1915	Apr 4
1916	Apr 11
1917	Apr 16
1918	Apr 20
1919	Apr 27
1920	Apr 14
1921	Apr 18
1922	Apr 29
1923	May 9
1924	Apr 23
1925	May 25
1926	May 4
1927	Apr 24
1928	Apr 28
1929	May 3
1930	Apr 26
1931	May 3
1932	May 2
1933	Apr 27
1934	Apr 28
1935	Apr 18
1936	Apr 23
1937	Apr 12
1938	May 13
1939	May 3
1940	May 4
1941	Apr 26
1942	Apr 22
1943	May 1
1944	Apr 29
1945	May 11
1946	May 13
1947	May 10
1948	Apr 18
1949	Apr 29
1950	Apr 28
1951	Apr 24
1952	Apr 17
1953	Apr 21
1954	May 21
1955	Apr 8
1956	May 8
1957	May 6
1958	Apr 30
1959	May 16
1960	May 9
1961	May 27
1962	Apr 24
1963	May 24
1964	Apr 11
1965	Apr 19
1966	May 10
1967	Apr 28
1969	May 11
1970	May 6
1971	May 4
1972	Apr 27
1973	May 5
1974	May 7
1975	Apr 22
1976	May 8
1977	May 11
1978	May 3
1979	May 5
1980	Apr 25
1981	Apr 22
1982	Apr 28
1983	May 9
1984	May 16
1985	Apr 11
1986	May 4
1987	Apr 13
1988	Apr 25
1989	May 8
1990	Apr 19
1991	Apr 12
1992	Apr 6
1993	Apr 22
1994	May 2
1995	Apr 11
1996	May 13
1997	Apr 26
1998	Apr 20
1999	Apr 25
2000	Apr 13
2001	Apr 26
2002	May 19
2003	Apr 27
2004	Apr 28
2005	May 4
2006	Apr 26
2007	Apr 16
2008	Apr 16
2009	Apr 23
2010	May 10
2011	Apr 23
2012	Apr 27
2013	Apr 26
2014	Apr 16
2015	Apr 28
2016	May 16
2017	May 8
2018	Apr 30
2020	May 12
2021	May 11
2022	Apr 27
2023	Apr 27
2024	Apr 22
2025	Apr 17
2026	Apr 22

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1894	184
1895	136
1896	182
1897	205
1898	201
1899	173
1900	205
1901	165
1902	196
1903	172
1904	139
1905	171
1906	152
1907	150
1908	167
1909	162
1910	185
1911	196
1912	187
1913	155
1914	187
1915	188
1916	193
1917	175
1918	195
1919	190
1920	198
1921	177
1922	166
1923	149
1924	181
1925	137
1926	173
1927	194
1928	150
1929	185
1930	174
1931	167
1932	180
1933	169
1934	168
1935	168
1936	185
1937	184
1938	146
1939	163
1940	186
1941	184
1942	155
1943	156
1944	168
1945	154
1946	151
1947	135
1948	178
1949	153
1950	148
1951	157
1952	172
1953	168
1954	149
1955	189
1956	135
1957	144
1958	154
1959	124
1960	144
1961	124
1962	149
1963	141
1964	178
1965	167
1966	144
1967	147
1969	156
1970	145
1971	160
1972	170
1973	164
1974	138
1975	163
1976	136
1977	148
1978	157
1980	162
1981	153
1982	171
1983	136
1984	138
1985	173
1986	163
1987	173
1988	163
1989	148
1990	189
1991	178
1992	193
1993	160
1994	175
1995	164
1996	170
1997	158
1998	184
1999	176
2000	176
2001	163
2002	147
2003	157
2004	157
2006	168
2007	194
2008	185
2009	171
2010	164
2011	181
2012	163
2013	178
2014	189
2015	171
2016	172
2017	169
2018	168
2020	156
2021	168
2022	163
2023	178
2024	177
2025	189

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

See the data as a table

Year	Growing-season temperature
1894	18.2 °C
1895	19.0 °C
1896	18.9 °C
1897	17.3 °C
1898	18.4 °C
1899	19.0 °C
1900	19.1 °C
1901	18.7 °C
1902	18.8 °C
1903	18.7 °C
1904	17.9 °C
1905	18.8 °C
1906	19.6 °C
1907	17.0 °C
1908	20.1 °C
1909	18.2 °C
1910	18.3 °C
1911	19.7 °C
1912	19.2 °C
1913	19.5 °C
1914	20.0 °C
1915	18.1 °C
1916	19.4 °C
1917	17.0 °C
1918	18.2 °C
1919	19.0 °C
1920	17.8 °C
1921	20.4 °C
1922	19.2 °C
1923	18.4 °C
1924	16.8 °C
1925	18.8 °C
1926	17.6 °C
1927	17.3 °C
1928	16.9 °C
1929	17.5 °C
1930	18.5 °C
1931	18.7 °C
1932	18.2 °C
1933	19.2 °C
1934	19.7 °C
1935	17.7 °C
1936	19.5 °C
1937	18.1 °C
1938	19.0 °C
1939	19.1 °C
1940	18.0 °C
1941	19.6 °C
1942	18.8 °C
1943	18.7 °C
1944	19.6 °C
1945	17.9 °C
1946	17.4 °C
1947	17.5 °C
1948	18.4 °C
1949	17.9 °C
1950	16.6 °C
1951	17.5 °C
1952	18.3 °C
1953	18.2 °C
1954	18.3 °C
1955	19.0 °C
1956	17.1 °C
1957	17.9 °C
1958	17.1 °C
1959	19.1 °C
1960	17.7 °C
1961	16.5 °C
1962	17.5 °C
1963	16.9 °C
1964	18.4 °C
1965	18.7 °C
1966	17.1 °C
1967	17.0 °C
1969	17.3 °C
1970	18.9 °C
1971	17.8 °C
1972	17.7 °C
1973	18.1 °C
1974	17.2 °C
1975	17.8 °C
1976	17.1 °C
1977	19.0 °C
1978	17.5 °C
1980	17.7 °C
1981	17.2 °C
1982	16.9 °C
1983	17.8 °C
1984	16.9 °C
1985	17.6 °C
1986	18.2 °C
1987	19.2 °C
1988	19.0 °C
1989	17.5 °C
1990	17.6 °C
1991	19.6 °C
1992	16.7 °C
1993	17.9 °C
1994	17.7 °C
1995	18.2 °C
1996	17.4 °C
1997	16.6 °C
1998	18.9 °C
1999	18.7 °C
2000	17.8 °C
2001	18.2 °C
2002	19.2 °C
2003	17.7 °C
2004	18.2 °C
2005	19.1 °C
2006	18.2 °C
2007	18.7 °C
2008	18.2 °C
2009	17.6 °C
2010	19.7 °C
2011	18.8 °C
2012	19.2 °C
2013	19.0 °C
2014	18.4 °C
2015	19.2 °C
2016	19.5 °C
2017	19.1 °C
2018	19.1 °C
2020	18.4 °C
2021	18.9 °C
2022	19.2 °C
2023	18.1 °C
2024	19.7 °C
2025	19.2 °C
2026	18.9 °C

What this means for you: Since 1894, Greenville's last spring frost has stayed at about the same time of year. Year-to-year swings are large, so keep using the safe date rather than the trend.

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

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