When to plant in Greenfield, MA

Planting dates worked out from Greenfield'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 10

about a 50% chance of a later one

Average first fall frost

Oct 7

1 year in 10 by Sep 22

Frost-free days

152

median, 1991–2020

Station used: Amherst · 23.0 km away · station 44 m, town 73 m. How we match towns to stations

This season

Plan your garden.

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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 8 – Mar 15	Apr 12 – Apr 26	May 22
Peas	—	Apr 6 – May 4	May 31
Bush beans	—	May 16 – Jun 6	Jul 5
Carrot	—	Apr 19 – May 31	Jun 18
Beet	—	Apr 16 – May 28	Jun 5
Potato	—	Apr 19 – May 10	Jun 28
Kale	Mar 2 – Mar 16	Apr 13 – Apr 27	May 26
Broccoli	Mar 1 – Mar 15	Apr 12 – May 3	Jun 11
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 12 – May 3	Jul 11
Garlic	—	Sep 23 – Oct 21 (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 Greenfield

Greenfield'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
1893	May 8
1894	May 15
1895	May 17
1898	Apr 19
1899	Apr 22
1900	May 11
1902	May 11
1903	May 14
1904	Apr 24
1905	May 24
1906	May 21
1907	Jun 7
1909	May 3
1910	May 6
1911	May 6
1912	May 1
1913	May 12
1914	May 2
1915	Apr 22
1916	Apr 16
1917	May 16
1918	Apr 27
1919	Apr 27
1920	May 5
1921	Apr 20
1922	May 12
1923	May 11
1924	Apr 17
1925	May 26
1926	May 5
1927	May 3
1928	May 15
1929	May 10
1930	Apr 29
1931	May 4
1932	May 11
1933	Apr 28
1934	May 13
1935	May 16
1936	May 22
1937	Apr 26
1938	Apr 11
1939	May 16
1940	Apr 29
1941	May 13
1942	May 11
1943	May 2
1944	May 19
1945	May 11
1946	May 9
1947	May 15
1948	May 2
1949	Apr 29
1950	Apr 30
1951	May 14
1952	May 17
1953	Apr 14
1954	Apr 29
1955	Apr 9
1956	May 25
1957	May 3
1958	May 14
1959	Apr 24
1960	Apr 20
1961	May 31
1962	May 13
1963	May 24
1964	May 3
1965	May 15
1966	May 14
1967	May 17
1968	May 8
1969	May 27
1970	May 7
1971	May 24
1972	May 26
1973	May 7
1974	May 8
1975	Apr 30
1976	May 9
1977	May 15
1978	May 4
1979	Apr 22
1980	May 11
1981	May 19
1982	May 5
1983	May 18
1984	May 21
1985	May 9
1986	Jun 3
1987	May 14
1988	May 5
1989	Apr 29
1990	Apr 19
1991	Apr 19
1992	May 7
1993	May 30
1994	May 28
1995	Jun 28
1996	May 15
1997	May 8
1998	Apr 29
1999	May 13
2000	May 16
2001	May 15
2002	May 22
2003	Apr 26
2004	May 5
2005	May 13
2006	May 7
2007	May 14
2008	May 2
2009	May 19
2010	May 11
2011	May 6
2012	Apr 30
2013	May 15
2014	May 7
2015	Apr 25
2016	May 10
2017	May 4
2018	Apr 24
2019	Apr 29
2020	May 14
2021	Apr 27
2022	May 1
2023	May 18
2024	Apr 26
2025	Apr 21
2026	Apr 25

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1893	141
1894	153
1895	142
1898	170
1899	161
1900	159
1902	151
1903	138
1904	150
1905	125
1906	126
1907	116
1909	139
1910	159
1911	130
1912	167
1913	125
1914	148
1915	165
1916	178
1917	117
1918	163
1919	162
1920	154
1921	175
1922	136
1923	129
1924	160
1925	119
1926	157
1927	160
1928	132
1929	148
1930	154
1931	158
1932	141
1933	169
1934	141
1935	130
1936	126
1937	165
1938	179
1939	151
1940	150
1941	139
1942	140
1943	155
1944	137
1945	144
1946	146
1947	134
1948	154
1949	178
1950	147
1951	138
1952	144
1953	162
1954	160
1955	195
1956	133
1957	146
1958	144
1959	173
1960	164
1961	126
1962	130
1964	155
1965	106
1966	124
1967	131
1968	149
1969	140
1970	150
1971	123
1972	128
1973	136
1974	138
1975	137
1976	142
1977	144
1978	144
1979	150
1980	139
1981	132
1982	150
1983	150
1984	117
1985	151
1986	105
1987	143
1988	146
1989	151
1990	151
1991	161
1992	146
1993	112
1995	74
1996	141
1997	136
1998	158
1999	146
2000	135
2001	145
2002	145
2003	159
2004	153
2005	160
2006	158
2007	151
2009	144
2010	151
2011	152
2012	165
2013	161
2014	165
2015	173
2016	153
2017	165
2018	177
2019	158
2020	129
2021	179
2022	160
2023	165
2024	169
2025	171

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

See the data as a table

Year	Growing-season temperature
1893	15.5 °C
1894	16.7 °C
1895	16.4 °C
1898	16.6 °C
1899	16.2 °C
1900	16.9 °C
1901	17.0 °C
1902	15.9 °C
1903	15.6 °C
1904	16.1 °C
1905	16.1 °C
1906	17.0 °C
1907	15.2 °C
1909	15.8 °C
1910	16.7 °C
1911	16.9 °C
1912	16.5 °C
1913	16.6 °C
1914	16.1 °C
1915	16.8 °C
1916	16.2 °C
1917	15.8 °C
1918	16.7 °C
1919	16.6 °C
1920	16.3 °C
1921	18.0 °C
1922	17.1 °C
1923	16.6 °C
1924	15.8 °C
1925	16.2 °C
1926	15.4 °C
1927	15.4 °C
1928	16.1 °C
1929	16.4 °C
1930	17.0 °C
1931	17.3 °C
1932	16.5 °C
1933	17.4 °C
1934	17.0 °C
1935	16.2 °C
1936	16.8 °C
1937	17.1 °C
1938	17.0 °C
1939	17.0 °C
1940	15.8 °C
1941	17.2 °C
1942	17.5 °C
1943	16.7 °C
1944	17.5 °C
1945	17.0 °C
1946	16.1 °C
1947	17.0 °C
1948	17.1 °C
1949	18.5 °C
1950	16.4 °C
1951	17.1 °C
1952	17.7 °C
1953	17.7 °C
1954	16.4 °C
1955	18.1 °C
1956	15.6 °C
1957	17.1 °C
1958	15.8 °C
1959	17.8 °C
1960	17.0 °C
1961	16.6 °C
1962	15.8 °C
1963	15.5 °C
1964	16.8 °C
1965	16.0 °C
1966	15.6 °C
1967	16.4 °C
1968	17.4 °C
1969	17.4 °C
1970	17.3 °C
1971	16.8 °C
1972	16.4 °C
1973	17.7 °C
1974	16.8 °C
1975	17.0 °C
1976	17.7 °C
1977	17.5 °C
1978	17.1 °C
1979	16.7 °C
1980	16.4 °C
1981	17.0 °C
1982	16.5 °C
1983	16.4 °C
1984	16.1 °C
1985	16.9 °C
1986	17.1 °C
1987	17.5 °C
1988	17.3 °C
1989	17.1 °C
1990	17.7 °C
1991	17.8 °C
1992	15.3 °C
1993	16.7 °C
1994	16.4 °C
1995	16.6 °C
1996	16.4 °C
1997	15.8 °C
1998	17.4 °C
1999	17.6 °C
2000	15.9 °C
2001	17.1 °C
2002	17.4 °C
2003	16.8 °C
2004	17.1 °C
2005	17.8 °C
2006	17.1 °C
2007	16.9 °C
2008	16.9 °C
2009	16.4 °C
2010	18.0 °C
2011	17.5 °C
2012	17.7 °C
2013	17.0 °C
2014	16.8 °C
2015	17.6 °C
2016	17.6 °C
2017	17.1 °C
2018	17.7 °C
2019	17.0 °C
2020	17.2 °C
2021	17.7 °C
2022	17.7 °C
2023	17.3 °C
2024	17.9 °C
2025	17.6 °C
2026	17.3 °C

What this means for you: Since 1893, Greenfield'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 Amherst (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Turners Falls Shelburne Montague Millers Falls Gill Bernardston