When to plant in Clinton, NJ

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

Safe to plant out

May 14

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 18

1 year in 10 by Oct 4

Frost-free days

174

median, 1991–2020

Station used: Flemington 5 Nnw · 7.4 km away · station 81 m, town 59 m. How we match towns to stations

This season

Plan your garden.

Build my Clinton plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Mar 19 – Apr 2	May 14 – May 28	Jul 8
Sweet pepper	Mar 5 – Mar 19	May 14 – May 28	Jul 13
Lettuce (leaf)	Feb 23 – Mar 2	Mar 30 – Apr 13	May 9
Peas	—	Mar 27 – Apr 24	May 21
Bush beans	—	May 7 – May 28	Jun 26
Carrot	—	Apr 6 – May 18	Jun 5
Beet	—	Apr 5 – May 17	May 25
Potato	—	Apr 6 – Apr 27	Jun 15
Kale	Feb 20 – Mar 6	Apr 3 – Apr 17	May 16
Broccoli	Feb 16 – Mar 2	Mar 30 – Apr 20	May 29
Cucumber	Apr 16 – Apr 23	May 14 – May 28	Jul 3
Summer squash and zucchini	Apr 16 – Apr 23	May 14 – May 28	Jun 28
Winter squash	Apr 16 – Apr 23	May 14 – May 28	Aug 2
Sweet corn	—	May 7 – May 28	Jul 6
Onion (from sets)	—	Mar 30 – Apr 20	Jun 28
Garlic	—	Oct 4 – Nov 1 (fall)	following summer
Spinach	—	Mar 27 – Apr 24	May 4
Basil	Apr 2 – Apr 16	May 14 – May 28	Jul 10

Plan all 65 crops for Clinton

Clinton'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
1898	Apr 9
1899	Apr 22
1900	May 11
1901	Apr 2
1902	Apr 16
1903	May 2
1904	Apr 23
1905	May 2
1906	Apr 7
1907	May 12
1908	Apr 21
1909	May 3
1910	Apr 29
1911	May 5
1912	Apr 11
1913	Apr 21
1914	May 2
1915	Apr 5
1916	Apr 9
1917	May 4
1918	Apr 16
1919	Apr 26
1920	May 6
1921	Apr 12
1922	Apr 29
1923	May 11
1924	Apr 20
1925	May 8
1926	Apr 27
1927	Apr 26
1928	Apr 27
1929	Apr 24
1930	Apr 27
1931	May 4
1932	Apr 19
1933	Apr 28
1934	Apr 30
1935	Apr 17
1936	May 15
1937	Apr 13
1938	Apr 12
1939	Apr 14
1940	Apr 15
1941	Apr 23
1942	Apr 14
1943	Apr 24
1944	Apr 19
1945	Apr 23
1946	May 9
1947	May 11
1948	May 9
1949	Apr 30
1950	May 9
1951	May 14
1952	May 4
1953	Apr 22
1954	May 7
1955	Apr 9
1956	May 25
1957	May 4
1958	May 10
1959	Apr 24
1960	May 10
1961	May 6
1962	May 12
1963	May 25
1964	May 4
1965	Apr 26
1966	May 11
1967	May 27
1968	May 9
1969	May 12
1970	May 8
1971	May 15
1972	May 27
1973	May 19
1974	May 8
1975	Apr 23
1976	May 9
1978	May 4
1979	Apr 21
1980	Apr 23
1981	May 9
1982	Apr 23
1983	May 18
1984	Apr 22
1987	Apr 28
1988	Apr 27
1989	Apr 25
1990	Apr 20
1991	Apr 14
1992	Apr 30
1993	Apr 29
1994	May 13
1995	Apr 18
1996	May 15
1997	Apr 22
1999	Apr 21
2000	Apr 14
2001	Apr 27
2002	May 22
2003	Apr 15
2004	Apr 10
2005	May 5
2006	Apr 30
2007	Apr 12
2008	May 1
2009	May 19
2010	May 11
2011	Apr 22
2013	Apr 22
2014	Apr 21
2015	Apr 25
2016	Apr 17
2017	Apr 9
2018	Apr 23
2019	Apr 29
2020	May 13
2021	Apr 4
2022	May 2
2023	Apr 11
2024	Apr 27
2025	Apr 19

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1898	190
1899	162
1900	161
1901	199
1902	188
1903	175
1904	151
1905	172
1906	188
1907	156
1908	174
1909	162
1910	166
1911	176
1912	188
1913	183
1914	178
1915	188
1916	188
1917	155
1918	186
1919	196
1920	189
1921	184
1922	172
1923	148
1924	176
1925	155
1926	171
1927	187
1928	182
1929	167
1930	174
1931	167
1932	177
1933	169
1934	166
1935	173
1936	162
1937	178
1938	202
1939	184
1940	186
1941	185
1942	196
1943	169
1944	179
1945	163
1946	189
1947	139
1948	159
1949	179
1950	148
1951	138
1952	156
1953	154
1954	152
1955	196
1956	118
1957	145
1958	148
1959	146
1960	150
1961	146
1962	131
1963	121
1964	154
1965	154
1966	144
1967	146
1968	149
1969	156
1970	161
1971	172
1972	135
1973	152
1974	138
1975	190
1976	155
1978	157
1979	171
1980	173
1981	153
1982	170
1987	163
1988	164
1989	167
1990	183
1991	182
1992	153
1993	154
1994	145
1995	182
1996	141
1997	162
1999	169
2000	177
2001	164
2002	151
2003	173
2004	207
2005	174
2006	165
2007	199
2008	171
2009	152
2010	173
2011	193
2013	186
2014	181
2015	175
2016	180
2017	205
2018	178
2019	186
2020	157
2021	213
2022	169
2023	204
2024	172
2025	173

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

See the data as a table

Year	Growing-season temperature
1898	19.2 °C
1899	18.8 °C
1900	19.9 °C
1901	19.5 °C
1902	18.4 °C
1903	18.1 °C
1904	18.2 °C
1905	18.8 °C
1906	19.6 °C
1907	17.3 °C
1908	19.2 °C
1909	18.2 °C
1910	18.9 °C
1911	19.3 °C
1912	18.5 °C
1913	18.9 °C
1914	18.6 °C
1915	19.0 °C
1916	18.6 °C
1917	18.1 °C
1918	19.1 °C
1919	19.0 °C
1920	18.4 °C
1921	20.2 °C
1923	18.9 °C
1924	17.5 °C
1925	19.2 °C
1926	18.0 °C
1927	17.5 °C
1928	18.1 °C
1929	18.9 °C
1930	19.6 °C
1931	19.9 °C
1932	19.1 °C
1933	20.0 °C
1934	19.7 °C
1935	18.8 °C
1936	19.8 °C
1937	19.8 °C
1938	19.7 °C
1939	19.9 °C
1940	18.2 °C
1941	20.2 °C
1942	19.7 °C
1943	19.4 °C
1944	20.5 °C
1945	19.8 °C
1946	19.1 °C
1947	19.4 °C
1948	18.8 °C
1949	19.5 °C
1950	17.6 °C
1951	18.1 °C
1952	18.6 °C
1953	18.6 °C
1954	18.3 °C
1955	19.7 °C
1956	17.5 °C
1957	19.3 °C
1958	18.1 °C
1959	19.8 °C
1960	18.7 °C
1961	18.8 °C
1962	18.1 °C
1963	17.4 °C
1964	17.8 °C
1965	18.0 °C
1966	17.6 °C
1967	16.6 °C
1968	17.5 °C
1969	18.1 °C
1970	18.0 °C
1971	17.4 °C
1972	17.4 °C
1973	18.3 °C
1974	17.9 °C
1975	17.9 °C
1976	17.8 °C
1979	18.2 °C
1980	19.5 °C
1981	18.6 °C
1982	17.9 °C
1987	18.3 °C
1988	18.1 °C
1989	17.6 °C
1990	17.7 °C
1991	18.9 °C
1992	16.7 °C
1993	18.4 °C
1994	18.5 °C
1995	18.2 °C
1996	17.8 °C
1997	17.0 °C
1999	19.3 °C
2000	17.8 °C
2001	18.1 °C
2002	19.1 °C
2003	17.8 °C
2004	18.8 °C
2005	19.5 °C
2006	18.8 °C
2007	18.6 °C
2008	18.6 °C
2009	18.1 °C
2010	20.2 °C
2011	19.6 °C
2013	18.7 °C
2014	18.4 °C
2015	19.6 °C
2016	19.3 °C
2017	18.9 °C
2018	19.2 °C
2019	19.4 °C
2020	18.9 °C
2021	19.3 °C
2022	19.4 °C
2023	18.6 °C
2024	19.1 °C
2025	19.0 °C

What this means for you: Since 1898, Clinton'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 Flemington 5 Nnw (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Annandale High Bridge Lebanon Glen Gardner Hampton Califon