When to plant in Weweantic, MA

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

Safe to plant out

May 5

1 year in 10 has a later frost

Average last frost

Apr 22

about a 50% chance of a later one

Average first fall frost

Oct 25

1 year in 10 by Oct 12

Frost-free days

186

median, 1991–2020

Station used: E Wareham · 6.1 km away · station 9 m, town 5 m. How we match towns to stations

This season

Plan your garden.

Build my Weweantic plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Mar 14 – Mar 28	May 9 – May 23	Jul 3
Sweet pepper	Feb 28 – Mar 14	May 9 – May 23	Jul 8
Lettuce (leaf)	Feb 28 – Mar 7	Apr 4 – Apr 18	May 14
Peas	—	Apr 4 – May 2	May 29
Bush beans	—	May 2 – May 23	Jun 21
Carrot	—	Apr 16 – May 28	Jun 15
Beet	—	Apr 16 – May 28	Jun 5
Potato	—	Apr 16 – May 7	Jun 25
Kale	Feb 28 – Mar 14	Apr 11 – Apr 25	May 24
Broccoli	Feb 21 – Mar 7	Apr 4 – Apr 25	Jun 3
Cucumber	Apr 11 – Apr 18	May 9 – May 23	Jun 28
Summer squash and zucchini	Apr 11 – Apr 18	May 9 – May 23	Jun 23
Winter squash	Apr 11 – Apr 18	May 9 – May 23	Jul 28
Sweet corn	—	May 2 – May 23	Jul 1
Onion (from sets)	—	Apr 4 – Apr 25	Jul 3
Garlic	—	Oct 11 – Nov 8 (fall)	following summer
Spinach	—	Apr 4 – May 2	May 12
Basil	Mar 28 – Apr 11	May 9 – May 23	Jul 5

Plan all 65 crops for Weweantic

Weweantic'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
1927	May 2
1928	Apr 27
1929	Apr 24
1930	Apr 29
1931	May 1
1932	May 11
1933	May 5
1934	Apr 29
1935	May 5
1936	May 15
1937	May 3
1938	Apr 24
1939	May 15
1940	Apr 29
1941	Apr 23
1942	Apr 28
1943	May 6
1944	May 19
1945	Apr 24
1946	May 30
1947	May 16
1948	May 4
1949	Apr 18
1950	Apr 27
1951	Apr 16
1952	Apr 17
1953	Apr 16
1954	Apr 13
1955	Apr 17
1956	May 25
1957	May 3
1958	May 3
1959	Apr 23
1960	Apr 20
1961	May 6
1962	May 13
1963	Apr 27
1964	May 4
1965	Apr 23
1966	May 3
1967	May 7
1968	Apr 29
1969	Apr 21
1970	Apr 20
1971	Apr 29
1972	Apr 30
1973	Apr 21
1974	Apr 27
1975	May 1
1976	Apr 13
1977	Apr 16
1978	May 1
1979	Apr 22
1980	Apr 19
1981	Apr 23
1982	Apr 30
1983	Apr 23
1984	Apr 27
1985	May 9
1986	Apr 16
1987	Apr 26
1988	May 9
1989	Apr 26
1990	Apr 19
1991	Apr 18
1992	Apr 30
1993	Apr 8
1994	Apr 23
1995	Apr 17
1996	May 7
1997	Apr 16
1999	May 1
2000	May 1
2001	May 7
2003	Apr 25
2004	Apr 17
2005	Apr 17
2006	Apr 22
2007	May 7
2008	May 1
2009	Apr 17
2010	Mar 28
2011	Apr 16
2012	Apr 7
2013	Apr 22
2014	Apr 21
2015	Apr 16
2020	Apr 25
2021	Apr 5
2022	Apr 30
2023	May 18
2024	Apr 27
2025	Apr 21
2026	Apr 26

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1928	157
1929	167
1930	172
1931	162
1932	155
1933	162
1934	163
1935	152
1936	150
1937	160
1938	163
1939	153
1940	150
1941	159
1942	154
1943	135
1944	136
1945	159
1946	125
1947	133
1948	164
1949	167
1950	171
1951	166
1952	185
1953	175
1954	177
1955	188
1956	138
1957	162
1958	156
1959	178
1960	175
1961	162
1962	163
1963	165
1964	160
1965	164
1966	162
1967	168
1968	185
1969	184
1970	181
1971	191
1972	163
1973	183
1974	159
1975	182
1976	181
1977	190
1978	160
1979	186
1980	178
1981	171
1982	170
1983	179
1984	161
1985	165
1986	185
1988	157
1990	191
1991	185
1992	153
1993	185
1994	171
1995	196
1996	178
1997	189
1999	190
2000	200
2001	164
2003	177
2004	193
2005	199
2006	187
2007	174
2008	172
2009	185
2010	217
2011	196
2012	188
2013	185
2014	200
2015	185
2020	188
2021	212
2022	198
2023	167
2024	183
2025	194

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

See the data as a table

Year	Growing-season temperature
1919	16.8 °C
1927	15.1 °C
1928	15.9 °C
1929	16.0 °C
1930	16.6 °C
1931	17.0 °C
1932	15.9 °C
1933	16.3 °C
1934	16.7 °C
1935	15.9 °C
1936	15.8 °C
1937	16.6 °C
1938	16.4 °C
1939	16.6 °C
1940	15.3 °C
1941	16.5 °C
1942	16.9 °C
1943	15.8 °C
1944	16.9 °C
1945	17.1 °C
1946	15.8 °C
1947	16.6 °C
1948	16.0 °C
1949	17.6 °C
1950	15.9 °C
1951	17.3 °C
1952	17.7 °C
1953	17.0 °C
1954	16.0 °C
1955	16.9 °C
1956	15.4 °C
1957	16.9 °C
1958	15.7 °C
1959	17.1 °C
1960	16.5 °C
1961	16.4 °C
1962	15.5 °C
1963	16.1 °C
1964	15.7 °C
1965	15.9 °C
1966	15.8 °C
1967	15.1 °C
1968	16.2 °C
1969	16.3 °C
1970	16.4 °C
1971	16.8 °C
1972	15.9 °C
1973	17.2 °C
1974	16.7 °C
1975	16.8 °C
1976	16.7 °C
1977	16.7 °C
1978	15.7 °C
1979	16.6 °C
1980	16.6 °C
1981	16.3 °C
1982	15.0 °C
1983	16.9 °C
1984	17.1 °C
1985	16.6 °C
1986	16.0 °C
1988	16.6 °C
1990	16.7 °C
1991	17.5 °C
1992	15.6 °C
1993	17.2 °C
1994	17.2 °C
1995	16.8 °C
1996	16.8 °C
1997	16.8 °C
1999	17.9 °C
2000	16.2 °C
2001	17.1 °C
2003	16.7 °C
2004	16.5 °C
2005	16.8 °C
2006	16.9 °C
2007	16.9 °C
2008	17.1 °C
2009	16.6 °C
2010	18.4 °C
2011	18.0 °C
2012	18.1 °C
2013	17.5 °C
2014	17.0 °C
2015	18.0 °C
2020	17.5 °C
2021	18.0 °C
2022	18.4 °C
2023	18.1 °C
2024	18.0 °C
2025	18.0 °C

What this means for you: Since 1927, Weweantic's last spring frost has come about 1 day 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 E Wareham (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Wareham Center Marion Center Marion Onset West Wareham Rochester