When to plant in Kinnelon, NJ

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

Safe to plant out

May 17

1 year in 10 has a later frost

Average last frost

May 2

about a 50% chance of a later one

Average first fall frost

Oct 11

1 year in 10 by Sep 26

Frost-free days

160

median, 1991–2020

Station used: Charlotteburg Rsvr · 5.8 km away · station 237 m, town 217 m. How we match towns to stations

This season

Plan your garden.

Build my Kinnelon plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Mar 22 – Apr 5	May 17 – May 31	Jul 11
Sweet pepper	Mar 8 – Mar 22	May 17 – May 31	Jul 16
Lettuce (leaf)	Feb 28 – Mar 7	Apr 4 – Apr 18	May 14
Peas	—	Apr 2 – Apr 30	May 27
Bush beans	—	May 10 – May 31	Jun 29
Carrot	—	Apr 11 – May 23	Jun 10
Beet	—	Apr 10 – May 22	May 30
Potato	—	Apr 11 – May 2	Jun 20
Kale	Feb 26 – Mar 12	Apr 9 – Apr 23	May 22
Broccoli	Feb 21 – Mar 7	Apr 4 – Apr 25	Jun 3
Cucumber	Apr 19 – Apr 26	May 17 – May 31	Jul 6
Summer squash and zucchini	Apr 19 – Apr 26	May 17 – May 31	Jul 1
Winter squash	Apr 19 – Apr 26	May 17 – May 31	Aug 5
Sweet corn	—	May 10 – May 31	Jul 9
Onion (from sets)	—	Apr 4 – Apr 25	Jul 3
Garlic	—	Sep 27 – Oct 25 (fall)	following summer
Spinach	—	Apr 2 – Apr 30	May 10
Basil	Apr 5 – Apr 19	May 17 – May 31	Jul 13

Plan all 65 crops for Kinnelon

Kinnelon'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
1895	May 24
1896	May 8
1897	May 8
1898	May 10
1899	May 5
1900	May 11
1901	May 14
1902	May 16
1903	May 11
1904	May 3
1905	May 22
1906	May 12
1907	Jun 13
1908	May 2
1909	May 26
1910	May 17
1911	May 15
1912	May 1
1913	Jun 9
1914	Apr 24
1915	May 16
1916	Apr 11
1917	May 24
1919	May 19
1920	May 6
1921	May 24
1922	May 13
1923	May 30
1924	Jun 1
1925	May 19
1926	Jun 4
1927	Apr 29
1928	May 15
1929	May 23
1930	Apr 29
1931	May 6
1932	May 22
1933	Apr 27
1934	May 9
1935	May 25
1936	May 31
1937	May 16
1938	Jun 1
1939	May 17
1940	Jun 22
1941	May 15
1942	May 11
1943	May 23
1944	May 21
1945	May 12
1946	May 9
1947	May 16
1948	May 9
1949	May 26
1950	May 9
1951	May 14
1952	May 17
1953	Apr 29
1954	May 15
1955	May 10
1956	May 26
1957	Jun 10
1958	May 14
1959	May 9
1960	May 4
1961	May 5
1962	Apr 20
1963	May 25
1964	Apr 13
1965	Apr 26
1966	May 11
1967	May 7
1968	Apr 30
1969	Apr 21
1970	May 7
1971	Apr 18
1972	May 6
1973	May 19
1974	May 9
1975	Apr 24
1976	May 14
1977	May 9
1978	May 4
1979	Apr 21
1980	May 10
1981	May 9
1982	Apr 23
1983	May 18
1984	Apr 22
1985	May 10
1986	May 10
1987	May 14
1988	May 4
1989	Apr 29
1990	Apr 19
1991	Apr 19
1992	May 7
1993	Apr 28
1994	May 28
1995	May 7
1996	May 14
1997	May 5
1998	Apr 29
1999	Apr 28
2000	May 16
2001	May 7
2002	May 22
2003	May 19
2005	May 5
2006	Apr 30
2007	Apr 12
2010	May 11
2011	Apr 22
2012	Apr 26
2013	Apr 22
2014	Apr 22
2015	Apr 25
2016	Apr 17
2017	Apr 9
2018	Apr 23
2019	Apr 29
2020	May 10
2021	Apr 23
2022	Apr 18
2023	May 18
2024	Apr 26
2025	Apr 18
2026	Apr 22

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1895	113
1896	138
1897	147
1898	133
1899	132
1900	158
1901	143
1902	112
1903	141
1904	141
1905	114
1906	148
1907	105
1908	150
1909	125
1910	135
1911	121
1912	167
1913	97
1914	143
1915	129
1916	161
1917	109
1919	130
1920	136
1921	137
1923	107
1924	114
1925	126
1926	114
1928	132
1929	118
1930	152
1931	156
1932	126
1933	159
1934	145
1935	114
1936	117
1937	145
1938	96
1939	124
1940	63
1941	127
1942	140
1943	113
1944	126
1945	144
1946	146
1947	130
1948	147
1949	122
1950	131
1951	138
1952	143
1953	141
1954	144
1955	139
1956	106
1957	106
1958	120
1959	131
1960	150
1961	152
1962	153
1963	121
1964	175
1965	154
1966	154
1967	168
1968	158
1969	178
1970	162
1971	159
1972	156
1973	155
1974	137
1975	189
1976	150
1977	159
1978	157
1979	151
1980	140
1981	153
1982	170
1984	137
1985	127
1986	149
1987	142
1988	155
1989	148
1990	181
1991	163
1992	146
1993	144
1994	127
1995	126
1996	142
1997	159
1998	147
1999	160
2000	136
2001	153
2002	145
2003	135
2005	172
2006	165
2007	199
2010	174
2014	180
2015	175
2016	180
2017	190
2018	178
2019	186
2020	160
2021	193
2022	173
2023	167
2024	173
2025	174

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

See the data as a table

Year	Growing-season temperature
1895	16.4 °C
1896	17.5 °C
1897	16.0 °C
1898	16.6 °C
1899	16.7 °C
1900	17.7 °C
1901	16.6 °C
1902	16.0 °C
1903	16.0 °C
1904	15.7 °C
1905	16.4 °C
1906	17.5 °C
1907	15.4 °C
1908	17.2 °C
1909	16.0 °C
1910	16.9 °C
1911	17.1 °C
1912	16.6 °C
1913	16.8 °C
1914	16.4 °C
1915	16.7 °C
1916	16.5 °C
1917	14.8 °C
1919	15.5 °C
1920	15.6 °C
1921	17.8 °C
1922	16.4 °C
1923	16.4 °C
1924	15.4 °C
1925	16.5 °C
1928	16.8 °C
1929	17.0 °C
1930	17.6 °C
1931	17.7 °C
1932	17.1 °C
1933	18.4 °C
1934	18.2 °C
1935	16.9 °C
1936	18.0 °C
1937	17.6 °C
1938	16.7 °C
1939	17.5 °C
1940	15.8 °C
1941	17.5 °C
1942	17.4 °C
1944	17.8 °C
1945	17.5 °C
1946	16.7 °C
1947	17.1 °C
1948	17.1 °C
1949	17.8 °C
1950	16.2 °C
1951	16.4 °C
1952	16.5 °C
1953	16.3 °C
1954	15.6 °C
1955	17.2 °C
1956	14.9 °C
1957	16.4 °C
1958	15.7 °C
1959	17.3 °C
1960	16.6 °C
1961	17.0 °C
1962	16.2 °C
1963	15.9 °C
1964	16.5 °C
1965	16.8 °C
1966	16.3 °C
1967	15.8 °C
1968	16.8 °C
1969	16.7 °C
1970	16.7 °C
1971	16.1 °C
1972	15.8 °C
1973	16.7 °C
1974	16.2 °C
1975	16.1 °C
1976	16.2 °C
1977	16.9 °C
1978	15.9 °C
1979	16.3 °C
1980	16.1 °C
1981	16.7 °C
1982	15.6 °C
1983	16.8 °C
1984	15.9 °C
1985	16.5 °C
1986	16.8 °C
1987	16.8 °C
1988	17.1 °C
1989	16.5 °C
1990	16.9 °C
1991	18.4 °C
1992	16.2 °C
1993	17.8 °C
1994	17.2 °C
1995	16.1 °C
1996	17.1 °C
1997	16.0 °C
1998	17.2 °C
1999	17.1 °C
2000	15.5 °C
2001	17.1 °C
2002	17.4 °C
2003	16.1 °C
2005	18.4 °C
2006	17.7 °C
2007	17.5 °C
2010	19.0 °C
2012	18.1 °C
2013	17.2 °C
2014	17.8 °C
2015	18.4 °C
2016	18.0 °C
2017	17.6 °C
2018	18.2 °C
2019	18.3 °C
2020	17.8 °C
2021	18.2 °C
2022	18.5 °C
2023	17.8 °C
2024	18.8 °C
2025	18.7 °C

What this means for you: Since 1895, Kinnelon'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 Charlotteburg Rsvr (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

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