When to plant in Warren, PA

Planting dates worked out from Warren'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 8

about a 50% chance of a later one

Average first fall frost

Oct 17

1 year in 10 by Oct 7

Frost-free days

162

median, 1991–2020

Station used: Warren · 0.5 km away · station 369 m, town 366 m. How we match towns to stations

This season

Plan your garden.

Build my Warren plan

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 6 – Mar 13	Apr 10 – Apr 24	May 20
Peas	—	Apr 6 – May 4	May 31
Bush beans	—	May 16 – Jun 6	Jul 5
Carrot	—	Apr 17 – May 29	Jun 16
Beet	—	Apr 16 – May 28	Jun 5
Potato	—	Apr 17 – May 8	Jun 26
Kale	Mar 2 – Mar 16	Apr 13 – Apr 27	May 26
Broccoli	Feb 27 – Mar 13	Apr 10 – May 1	Jun 9
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 10 – May 1	Jul 9
Garlic	—	Oct 3 – Oct 31 (fall)	following summer
Spinach	—	Apr 6 – May 4	May 14
Basil	Apr 11 – Apr 25	May 23 – Jun 6	Jul 19

Plan all 65 crops for Warren

Warren'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	May 8
1898	May 9
1899	Apr 18
1900	May 10
1901	May 16
1902	May 15
1903	May 5
1904	May 12
1905	May 24
1906	May 21
1907	May 24
1908	May 5
1909	May 12
1910	May 17
1911	May 7
1912	May 14
1913	Jun 10
1914	May 17
1915	May 27
1916	Jun 1
1917	May 26
1918	Jun 24
1919	May 6
1920	May 17
1921	May 17
1922	May 1
1923	May 24
1924	Jun 1
1925	May 27
1926	Jun 4
1927	May 28
1928	May 24
1929	May 23
1930	May 30
1931	May 2
1932	May 3
1933	Apr 28
1934	May 16
1935	Apr 26
1936	Apr 27
1937	Apr 12
1938	May 14
1939	May 14
1940	May 12
1941	May 14
1942	May 11
1943	May 14
1944	Apr 30
1945	Jun 7
1946	May 10
1947	May 10
1948	May 9
1949	May 29
1950	May 9
1951	May 14
1952	May 4
1953	Apr 29
1954	May 22
1955	May 18
1956	May 26
1957	May 17
1958	May 10
1959	May 16
1960	May 2
1961	May 30
1962	May 10
1963	May 24
1964	Apr 25
1965	May 14
1966	Jun 1
1967	May 23
1968	May 7
1969	May 27
1970	May 7
1971	May 23
1972	May 12
1973	May 19
1974	May 11
1975	Apr 28
1976	May 13
1977	Jun 8
1978	May 5
1979	May 17
1980	Jun 12
1981	May 21
1982	Apr 30
1983	May 18
1984	May 17
1985	May 18
1986	May 5
1987	May 9
1988	May 4
1989	May 10
1990	May 12
1991	May 4
1992	May 25
1993	Apr 28
1994	May 14
1995	May 9
1996	May 15
1997	May 19
1998	Apr 29
1999	Apr 27
2000	Apr 29
2001	Apr 30
2002	May 23
2003	Apr 29
2004	May 5
2005	May 6
2006	May 23
2007	Apr 21
2008	May 18
2009	May 19
2010	May 11
2011	Apr 22
2012	May 1
2013	May 15
2014	May 6
2015	May 23
2016	May 16
2017	May 10
2018	May 1
2019	Apr 30
2020	May 14
2021	May 2
2022	May 1
2023	May 18
2024	Apr 27
2025	Apr 18
2026	May 13

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1897	135
1898	160
1899	166
1900	159
1901	140
1902	158
1903	171
1904	132
1905	135
1906	139
1907	134
1908	147
1909	154
1910	143
1911	129
1912	138
1913	91
1914	115
1915	118
1916	109
1917	107
1918	89
1919	143
1920	141
1921	148
1922	147
1923	113
1924	129
1925	135
1926	140
1927	133
1928	154
1929	118
1930	142
1931	162
1932	162
1933	180
1934	149
1935	163
1936	159
1937	184
1938	140
1939	151
1940	136
1941	138
1942	136
1943	127
1944	146
1945	118
1946	156
1947	135
1948	147
1949	118
1950	159
1951	138
1952	152
1953	161
1954	137
1955	156
1956	136
1957	132
1958	144
1959	123
1960	155
1961	126
1962	160
1963	112
1964	164
1965	143
1966	123
1967	142
1968	151
1969	140
1970	162
1971	165
1972	150
1973	170
1974	135
1975	157
1976	134
1977	127
1979	125
1980	119
1981	140
1982	169
1983	129
1984	169
1985	130
1986	157
1987	148
1988	160
1989	165
1990	160
1991	162
1992	133
1993	165
1994	150
1995	161
1996	149
1997	150
1998	183
1999	162
2000	163
2001	160
2002	153
2003	156
2004	182
2005	174
2006	143
2007	190
2008	141
2009	145
2010	164
2011	178
2012	160
2013	165
2014	174
2015	148
2016	162
2017	160
2018	170
2019	171
2020	155
2021	185
2022	167
2023	157
2024	172
2025	181

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

See the data as a table

Year	Growing-season temperature
1897	15.7 °C
1898	16.8 °C
1899	16.3 °C
1900	16.2 °C
1901	16.3 °C
1902	14.8 °C
1903	15.9 °C
1904	15.5 °C
1905	16.5 °C
1906	17.4 °C
1907	14.4 °C
1908	16.4 °C
1909	15.5 °C
1910	15.8 °C
1911	16.6 °C
1912	16.1 °C
1913	16.4 °C
1914	16.5 °C
1915	16.1 °C
1916	16.4 °C
1917	14.8 °C
1918	15.8 °C
1919	16.5 °C
1920	15.4 °C
1921	18.4 °C
1922	17.2 °C
1923	16.1 °C
1924	14.2 °C
1925	15.5 °C
1926	15.4 °C
1927	15.7 °C
1928	15.2 °C
1929	15.7 °C
1930	16.7 °C
1931	17.6 °C
1932	16.0 °C
1933	17.6 °C
1934	17.5 °C
1935	15.9 °C
1936	16.9 °C
1937	16.9 °C
1938	16.3 °C
1939	17.1 °C
1940	15.7 °C
1941	17.0 °C
1942	17.1 °C
1943	17.1 °C
1944	16.8 °C
1946	16.3 °C
1947	17.3 °C
1948	17.2 °C
1949	17.1 °C
1950	15.5 °C
1951	16.5 °C
1952	17.1 °C
1953	16.7 °C
1954	16.7 °C
1955	17.9 °C
1956	15.5 °C
1957	16.6 °C
1958	16.1 °C
1959	18.0 °C
1960	17.1 °C
1961	16.5 °C
1962	16.3 °C
1963	15.8 °C
1964	16.6 °C
1965	16.3 °C
1966	15.8 °C
1967	15.7 °C
1968	16.8 °C
1969	16.7 °C
1970	17.3 °C
1971	16.3 °C
1972	16.2 °C
1973	17.1 °C
1974	16.1 °C
1975	16.4 °C
1976	16.1 °C
1977	16.9 °C
1978	15.0 °C
1979	15.3 °C
1980	16.3 °C
1981	16.4 °C
1982	15.9 °C
1983	16.7 °C
1984	16.1 °C
1985	16.8 °C
1986	16.9 °C
1987	17.3 °C
1988	16.6 °C
1989	16.0 °C
1990	16.0 °C
1991	17.5 °C
1992	15.2 °C
1993	16.3 °C
1994	15.9 °C
1995	16.7 °C
1996	16.1 °C
1997	14.8 °C
1998	17.3 °C
1999	17.3 °C
2000	16.1 °C
2001	16.6 °C
2002	17.2 °C
2003	16.1 °C
2004	16.6 °C
2005	17.3 °C
2006	16.5 °C
2007	16.4 °C
2008	16.5 °C
2009	15.9 °C
2010	17.6 °C
2011	17.4 °C
2012	17.1 °C
2013	16.6 °C
2014	16.4 °C
2015	17.0 °C
2016	17.0 °C
2017	16.9 °C
2018	17.6 °C
2019	17.1 °C
2020	16.7 °C
2021	17.1 °C
2022	16.6 °C
2023	16.4 °C
2024	17.6 °C
2025	16.9 °C
2026	16.8 °C

What this means for you: Since 1897, Warren's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown 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 Warren (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

North Warren Russell Youngsville (near North Warren)Sheffield Kiantone, NY Frewsburg, NY