When to plant in Greenville, PA

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

Safe to plant out

May 23

1 year in 10 has a later frost

Average last frost

May 9

about a 50% chance of a later one

Average first fall frost

Oct 12

1 year in 10 by Sep 29

Frost-free days

152

median, 1991–2020

Station used: Jamestown 2 Nw · 12.3 km away · station 312 m, town 288 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	Mar 28 – Apr 11	May 23 – Jun 6	Jul 17
Sweet pepper	Mar 14 – Mar 28	May 23 – Jun 6	Jul 22
Lettuce (leaf)	Mar 7 – Mar 14	Apr 11 – Apr 25	May 21
Peas	—	Apr 5 – May 3	May 30
Bush beans	—	May 16 – Jun 6	Jul 5
Carrot	—	Apr 18 – May 30	Jun 17
Beet	—	Apr 15 – May 27	Jun 4
Potato	—	Apr 18 – May 9	Jun 27
Kale	Mar 1 – Mar 15	Apr 12 – Apr 26	May 25
Broccoli	Feb 28 – Mar 14	Apr 11 – May 2	Jun 10
Cucumber	Apr 25 – May 2	May 23 – Jun 6	Jul 12
Summer squash and zucchini	Apr 25 – May 2	May 23 – Jun 6	Jul 7
Winter squash	Apr 25 – May 2	May 23 – Jun 6	Aug 11
Sweet corn	—	May 16 – Jun 6	Jul 15
Onion (from sets)	—	Apr 11 – May 2	Jul 10
Garlic	—	Sep 28 – Oct 26 (fall)	following summer
Spinach	—	Apr 5 – May 3	May 13
Basil	Apr 11 – Apr 25	May 23 – Jun 6	Jul 19

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
1932	May 22
1935	May 23
1936	May 15
1937	May 11
1938	May 13
1940	May 10
1941	May 26
1942	May 11
1943	May 14
1944	Apr 30
1945	Jun 7
1946	May 10
1947	May 30
1949	May 30
1950	Jun 18
1951	May 14
1952	May 3
1953	Apr 24
1954	May 22
1955	May 18
1956	May 25
1957	May 17
1958	Jun 7
1959	May 16
1960	May 2
1961	May 30
1962	May 4
1963	May 24
1964	May 30
1965	Apr 29
1966	Jun 2
1967	May 30
1968	May 7
1969	May 27
1970	May 18
1971	May 23
1972	Jun 11
1973	May 17
1974	May 8
1975	May 14
1976	May 23
1977	May 15
1978	May 3
1979	May 17
1980	May 16
1981	May 20
1982	May 10
1983	May 18
1984	May 17
1985	May 19
1986	May 4
1987	May 8
1988	May 26
1989	May 8
1990	Jun 5
1991	Apr 18
1992	May 25
1993	May 21
1994	May 14
1995	May 7
1996	May 15
1997	May 23
1998	Apr 29
1999	Apr 27
2000	May 1
2001	Apr 30
2002	May 22
2003	Apr 27
2004	May 5
2005	May 5
2006	May 23
2007	May 16
2008	Apr 18
2009	May 20
2010	May 13
2011	May 5
2012	Apr 30
2013	May 26
2014	May 6
2015	May 23
2016	May 17
2017	May 10
2018	Apr 30
2019	Apr 30
2021	May 6
2022	Apr 30
2023	May 18
2024	Apr 26
2025	Apr 18
2026	May 12

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1932	124
1935	129
1936	164
1937	138
1938	141
1941	150
1942	136
1943	120
1944	146
1945	118
1946	155
1947	115
1949	147
1950	119
1951	137
1952	153
1953	166
1954	124
1955	117
1956	137
1957	132
1958	116
1959	123
1960	151
1961	121
1962	125
1963	121
1964	128
1965	158
1966	105
1967	117
1968	151
1969	124
1970	151
1971	141
1972	120
1973	126
1974	138
1975	123
1976	123
1977	151
1978	148
1979	146
1980	141
1981	141
1982	110
1983	160
1984	160
1985	150
1986	135
1987	153
1988	130
1989	149
1990	136
1991	162
1992	133
1993	142
1994	142
1996	149
1997	144
1998	176
1999	147
2000	150
2001	160
2002	138
2003	158
2004	186
2005	167
2006	142
2007	165
2008	168
2009	146
2010	153
2011	154
2012	131
2013	151
2014	158
2015	147
2016	149
2017	174
2018	171
2019	165
2021	180
2022	161
2023	157
2024	167
2025	181

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

See the data as a table

Year	Growing-season temperature
1932	16.1 °C
1935	16.3 °C
1937	16.9 °C
1938	17.2 °C
1941	18.3 °C
1943	16.1 °C
1944	17.1 °C
1945	16.6 °C
1946	16.5 °C
1947	17.1 °C
1949	16.8 °C
1950	14.9 °C
1951	15.6 °C
1952	16.9 °C
1953	16.3 °C
1954	16.4 °C
1955	17.6 °C
1956	15.3 °C
1957	16.4 °C
1958	15.7 °C
1959	17.4 °C
1960	16.5 °C
1961	15.7 °C
1962	16.2 °C
1963	15.4 °C
1964	16.2 °C
1965	16.0 °C
1966	15.3 °C
1967	15.3 °C
1968	16.3 °C
1969	16.3 °C
1970	17.1 °C
1971	15.9 °C
1972	15.9 °C
1973	16.6 °C
1974	15.3 °C
1975	15.9 °C
1976	15.1 °C
1977	16.4 °C
1978	15.9 °C
1979	15.8 °C
1980	16.6 °C
1981	16.3 °C
1982	15.7 °C
1983	16.3 °C
1984	15.8 °C
1985	16.6 °C
1986	16.8 °C
1987	17.3 °C
1988	16.6 °C
1989	16.0 °C
1990	16.1 °C
1991	18.1 °C
1992	15.4 °C
1993	16.8 °C
1994	16.1 °C
1996	16.2 °C
1997	15.1 °C
1998	17.3 °C
1999	17.1 °C
2000	15.8 °C
2001	16.3 °C
2002	16.9 °C
2003	15.9 °C
2004	16.2 °C
2005	17.1 °C
2006	16.4 °C
2007	16.4 °C
2008	16.0 °C
2009	15.7 °C
2010	17.5 °C
2011	17.4 °C
2012	16.6 °C
2013	16.4 °C
2014	16.2 °C
2015	17.2 °C
2016	17.2 °C
2017	17.1 °C
2018	17.4 °C
2019	17.0 °C
2020	16.3 °C
2021	16.8 °C
2022	16.7 °C
2023	16.2 °C
2024	17.7 °C
2025	17.0 °C

What this means for you: Since 1932, Greenville'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 Jamestown 2 Nw (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Reynolds Heights Sharpsville Hermitage Sharon Pymatuning Central Lake Latonka