When to plant in Green Harbor-Cedar Crest, MA

Planting dates worked out from Green Harbor-Cedar Crest's own frost records, not a generic zone chart.

Safe to plant out

May 1

1 year in 10 has a later frost

Average last frost

Apr 18

about a 50% chance of a later one

Average first fall frost

Oct 27

1 year in 10 by Oct 11

Frost-free days

191

median, 1991–2020

Station used: Plymouth-Kingston · 10.8 km away · station 14 m, town 7 m. How we match towns to stations

This season

Plan your garden.

Build my Green Harbor-Cedar Crest plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Mar 9 – Mar 23	May 4 – May 18	Jun 28
Sweet pepper	Feb 23 – Mar 9	May 4 – May 18	Jul 3
Lettuce (leaf)	Feb 25 – Mar 4	Apr 1 – Apr 15	May 11
Peas	—	Apr 1 – Apr 29	May 26
Bush beans	—	Apr 27 – May 18	Jun 16
Carrot	—	Apr 10 – May 22	Jun 9
Beet	—	Apr 10 – May 22	May 30
Potato	—	Apr 10 – May 1	Jun 19
Kale	Feb 25 – Mar 11	Apr 8 – Apr 22	May 21
Broccoli	Feb 18 – Mar 4	Apr 1 – Apr 22	May 31
Cucumber	Apr 6 – Apr 13	May 4 – May 18	Jun 23
Summer squash and zucchini	Apr 6 – Apr 13	May 4 – May 18	Jun 18
Winter squash	Apr 6 – Apr 13	May 4 – May 18	Jul 23
Sweet corn	—	Apr 27 – May 18	Jun 26
Onion (from sets)	—	Apr 1 – Apr 22	Jun 30
Garlic	—	Oct 13 – Nov 10 (fall)	following summer
Spinach	—	Apr 1 – Apr 29	May 9
Basil	Mar 23 – Apr 6	May 4 – May 18	Jun 30

Plan all 65 crops for Green Harbor-Cedar Crest

Green Harbor-Cedar Crest'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
1906	Apr 26
1907	May 12
1908	Apr 22
1909	Apr 29
1910	Apr 29
1911	May 4
1912	Apr 11
1913	May 11
1914	May 2
1915	Apr 22
1916	Apr 29
1917	May 16
1918	Apr 20
1920	May 6
1922	Apr 30
1924	Apr 18
1925	Apr 21
1926	Apr 27
1927	Apr 18
1928	Apr 21
1929	Apr 23
1930	Apr 25
1931	Mar 23
1932	Apr 28
1934	Apr 7
1935	Apr 7
1936	May 16
1937	Apr 1
1938	Apr 24
1939	May 15
1940	Apr 29
1941	Apr 23
1942	Apr 28
1943	May 2
1944	May 19
1945	Apr 24
1946	May 4
1947	May 16
1948	Apr 29
1949	Apr 18
1950	Apr 25
1951	Mar 27
1952	Apr 17
1953	Apr 14
1954	Apr 13
1955	Apr 9
1956	May 25
1957	Apr 16
1958	Apr 10
1959	Apr 23
1960	Apr 20
1961	May 6
1962	May 13
1963	Apr 14
1964	May 3
1965	Apr 25
1966	May 11
1967	May 14
1968	May 8
1969	May 7
1970	May 30
1971	May 1
1972	May 27
1973	May 8
1974	May 9
1975	May 3
1976	May 9
1977	May 15
1978	May 8
1979	May 3
1980	May 28
1981	May 19
1982	May 1
1983	May 18
1984	May 17
1985	May 30
1986	May 15
1987	May 20
1988	May 10
1989	May 9
1990	Apr 25
1991	Apr 19
1992	Apr 30
1993	Apr 8
1994	Apr 23
1995	May 2
1996	Apr 15
1997	Apr 15
1998	Apr 12
1999	Apr 11
2000	Apr 14
2001	Apr 19
2002	Apr 8
2003	Apr 25
2004	Apr 7
2005	Apr 17
2006	Apr 6
2007	May 7
2008	May 1
2009	Apr 21
2010	Mar 28
2011	Apr 16
2012	Apr 28
2013	Apr 22
2014	Apr 22

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1906	190
1907	149
1909	167
1910	166
1911	176
1912	187
1913	156
1914	178
1915	184
1916	164
1917	148
1920	176
1922	166
1924	185
1925	172
1926	173
1928	188
1929	168
1930	190
1931	228
1932	189
1934	219
1935	231
1936	163
1938	204
1939	152
1941	176
1942	154
1943	161
1944	149
1945	159
1946	170
1947	161
1948	172
1949	201
1950	152
1951	186
1952	185
1953	182
1954	177
1955	196
1956	138
1957	207
1958	186
1959	178
1960	183
1961	162
1962	164
1963	198
1964	161
1965	162
1966	154
1967	146
1968	175
1969	161
1970	142
1971	188
1972	135
1973	156
1974	152
1975	159
1976	155
1977	161
1978	153
1979	158
1980	134
1981	146
1982	175
1983	151
1984	141
1985	143
1986	144
1987	146
1988	149
1989	141
1990	187
1991	184
1992	153
1993	185
1994	202
1995	186
1996	179
1997	190
1998	204
1999	210
2000	180
2001	192
2002	196
2003	177
2004	210
2005	195
2006	210
2007	184
2008	158
2009	199
2010	235
2011	194
2012	167
2013	189
2014	193

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

See the data as a table

Year	Growing-season temperature
1906	16.1 °C
1907	15.5 °C
1909	15.5 °C
1910	15.5 °C
1911	15.4 °C
1912	15.4 °C
1913	14.9 °C
1914	15.0 °C
1915	14.9 °C
1916	14.3 °C
1917	13.9 °C
1920	14.3 °C
1922	15.5 °C
1924	15.0 °C
1926	14.4 °C
1928	16.2 °C
1929	17.0 °C
1930	17.7 °C
1931	17.4 °C
1932	16.9 °C
1934	17.4 °C
1935	17.4 °C
1936	17.0 °C
1937	17.8 °C
1938	17.2 °C
1939	16.5 °C
1941	17.3 °C
1942	17.2 °C
1943	16.4 °C
1944	17.4 °C
1945	17.5 °C
1946	16.9 °C
1947	17.6 °C
1948	16.9 °C
1949	18.6 °C
1950	16.7 °C
1951	17.5 °C
1952	18.1 °C
1953	18.0 °C
1954	16.8 °C
1955	18.3 °C
1956	16.4 °C
1957	18.2 °C
1958	16.8 °C
1959	18.3 °C
1960	17.4 °C
1961	17.5 °C
1962	16.5 °C
1963	17.3 °C
1964	16.9 °C
1965	17.0 °C
1966	16.1 °C
1967	15.4 °C
1968	16.2 °C
1969	16.7 °C
1970	16.5 °C
1971	16.4 °C
1972	15.6 °C
1973	17.1 °C
1974	16.1 °C
1975	16.3 °C
1976	16.8 °C
1977	16.4 °C
1978	15.5 °C
1979	16.4 °C
1980	16.9 °C
1981	16.6 °C
1982	15.2 °C
1983	16.2 °C
1984	16.0 °C
1985	15.9 °C
1986	15.6 °C
1987	15.6 °C
1988	16.9 °C
1989	16.7 °C
1991	18.0 °C
1992	16.2 °C
1993	17.4 °C
1994	17.9 °C
1995	17.1 °C
1996	16.9 °C
1997	17.1 °C
1998	17.8 °C
1999	18.4 °C
2000	16.8 °C
2001	17.5 °C
2003	16.9 °C
2004	17.4 °C
2005	18.0 °C
2006	17.9 °C
2007	17.6 °C
2008	16.7 °C
2009	16.4 °C
2010	20.0 °C
2011	17.9 °C
2012	17.5 °C
2013	18.2 °C
2014	17.5 °C

What this means for you: Since 1906, Green Harbor-Cedar Crest'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 Plymouth-Kingston (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Ocean Bluff-Brant Rock Duxbury Marshfield South Duxbury Marshfield Hills Kingston