When to plant in Wilson-Conococheague, MD

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

Safe to plant out

May 10

1 year in 10 has a later frost

Average last frost

Apr 19

about a 50% chance of a later one

Average first fall frost

Oct 21

1 year in 10 by Oct 8

Frost-free days

185

median, 1991–2020

Station used: Hagerstown 1e · 11.5 km away · station 162 m, town 135 m. How we match towns to stations

This season

Plan your garden.

Build my Wilson-Conococheague plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Mar 15 – Mar 29	May 10 – May 24	Jul 4
Sweet pepper	Mar 1 – Mar 15	May 10 – May 24	Jul 9
Lettuce (leaf)	Feb 15 – Feb 22	Mar 22 – Apr 5	May 1
Peas	—	Mar 18 – Apr 15	May 12
Bush beans	—	May 3 – May 24	Jun 22
Carrot	—	Mar 29 – May 10	May 28
Beet	—	Mar 28 – May 9	May 17
Potato	—	Mar 29 – Apr 19	Jun 7
Kale	Feb 11 – Feb 25	Mar 25 – Apr 8	May 7
Broccoli	Feb 8 – Feb 22	Mar 22 – Apr 12	May 21
Cucumber	Apr 12 – Apr 19	May 10 – May 24	Jun 29
Summer squash and zucchini	Apr 12 – Apr 19	May 10 – May 24	Jun 24
Winter squash	Apr 12 – Apr 19	May 10 – May 24	Jul 29
Sweet corn	—	May 3 – May 24	Jul 2
Onion (from sets)	—	Mar 22 – Apr 12	Jun 20
Garlic	—	Oct 7 – Nov 4 (fall)	following summer
Spinach	—	Mar 18 – Apr 15	Apr 25
Basil	Mar 29 – Apr 12	May 10 – May 24	Jul 6

Plan all 65 crops for Wilson-Conococheague

Wilson-Conococheague'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
1899	Apr 17
1900	May 10
1901	Apr 17
1902	Apr 16
1903	May 5
1904	Jun 12
1905	May 24
1906	May 11
1907	May 21
1908	Apr 22
1909	May 12
1910	May 16
1911	May 5
1912	May 1
1913	May 12
1914	May 1
1915	Apr 18
1916	Apr 11
1917	May 11
1918	May 2
1919	Apr 30
1920	May 15
1921	Apr 20
1922	Apr 29
1923	May 11
1924	May 5
1925	May 8
1927	May 1
1928	May 14
1929	May 17
1930	Apr 26
1931	May 4
1932	Apr 27
1933	Apr 28
1934	Apr 29
1935	Apr 26
1936	May 29
1937	Apr 17
1938	May 13
1939	May 15
1940	May 12
1941	May 13
1942	Apr 22
1943	May 5
1944	Apr 29
1945	May 2
1946	Apr 28
1947	May 11
1948	Apr 23
1949	Apr 29
1950	Apr 22
1951	Apr 24
1952	Apr 9
1953	Apr 22
1954	Apr 9
1955	Apr 8
1956	May 17
1957	May 5
1958	Apr 10
1959	Apr 14
1960	May 2
1961	Apr 20
1962	Apr 21
1963	May 12
1964	Apr 10
1965	Apr 17
1966	May 11
1967	Apr 29
1968	May 7
1969	Apr 13
1970	May 7
1971	May 1
1973	Apr 15
1974	Apr 11
1975	Apr 14
1976	Apr 14
1977	Apr 30
1978	May 1
1979	Apr 20
1980	Apr 18
1981	Apr 22
1982	Apr 23
1983	May 17
1984	May 17
1985	May 4
1986	May 4
1987	Apr 10
1988	Apr 26
1989	Apr 24
1990	Apr 19
1991	Apr 4
1992	Apr 13
1993	Apr 28
1994	Apr 8
1995	Apr 16
1996	May 14
1997	May 8
1998	Apr 12
1999	Apr 26
2000	Apr 13
2001	Apr 26
2002	May 22
2003	Apr 1
2004	Apr 28
2005	May 3
2006	Apr 10
2007	Apr 14
2008	Apr 16
2009	Apr 13
2010	Mar 27
2011	Apr 6
2012	Apr 13
2013	May 14
2014	Apr 18
2015	Apr 12
2016	Apr 14
2017	Apr 9
2018	Apr 30
2019	Apr 3
2020	May 10
2021	Apr 23
2022	Apr 29
2023	Apr 25
2024	Apr 22
2025	Apr 17
2026	Apr 21

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1899	165
1900	159
1902	150
1903	146
1904	101
1905	124
1906	152
1907	140
1908	163
1909	153
1910	160
1911	172
1912	167
1914	149
1915	175
1916	172
1917	122
1918	159
1919	165
1920	143
1921	175
1922	166
1923	146
1924	128
1927	187
1928	164
1929	144
1930	158
1931	161
1932	169
1933	168
1934	166
1935	156
1936	150
1937	174
1938	146
1939	150
1940	136
1941	156
1942	155
1943	135
1944	169
1945	154
1946	168
1947	134
1948	178
1949	180
1950	166
1951	171
1952	177
1953	168
1954	181
1955	197
1956	126
1957	144
1958	178
1959	187
1960	171
1961	190
1962	152
1963	133
1964	156
1965	171
1966	159
1967	176
1968	151
1969	184
1970	150
1971	187
1973	202
1974	165
1975	199
1976	180
1977	170
1978	160
1979	177
1980	178
1981	173
1982	177
1983	165
1984	169
1985	174
1986	155
1987	181
1988	164
1989	167
1990	183
1991	192
1992	187
1993	155
1994	185
1995	183
1996	142
1997	165
1998	200
1999	184
2000	178
2001	164
2002	148
2003	184
2004	194
2005	178
2006	185
2007	197
2008	186
2009	188
2010	218
2011	205
2012	182
2013	163
2014	198
2015	188
2016	194
2017	214
2018	174
2019	211
2020	159
2021	193
2022	174
2023	190
2024	177
2025	182

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

See the data as a table

Year	Growing-season temperature
1899	19.6 °C
1900	20.2 °C
1901	19.0 °C
1902	18.8 °C
1903	17.7 °C
1904	17.8 °C
1905	18.7 °C
1906	19.3 °C
1907	17.0 °C
1908	18.8 °C
1909	18.2 °C
1910	18.9 °C
1911	19.6 °C
1912	18.8 °C
1913	18.8 °C
1914	18.8 °C
1915	18.8 °C
1917	17.8 °C
1918	18.9 °C
1920	17.6 °C
1921	19.8 °C
1922	19.2 °C
1923	18.5 °C
1924	17.1 °C
1925	18.5 °C
1926	18.1 °C
1927	17.2 °C
1928	17.9 °C
1929	18.4 °C
1930	19.4 °C
1931	19.2 °C
1932	18.4 °C
1933	19.0 °C
1934	19.1 °C
1935	17.9 °C
1936	18.5 °C
1937	17.7 °C
1938	18.5 °C
1939	18.5 °C
1940	17.4 °C
1941	18.9 °C
1942	19.0 °C
1943	18.9 °C
1944	19.6 °C
1945	18.7 °C
1946	17.9 °C
1947	18.5 °C
1948	19.2 °C
1949	19.2 °C
1950	18.0 °C
1951	18.9 °C
1952	19.7 °C
1953	20.0 °C
1954	19.8 °C
1955	20.3 °C
1956	18.5 °C
1957	20.1 °C
1958	18.9 °C
1959	20.6 °C
1960	19.5 °C
1961	19.1 °C
1962	19.3 °C
1963	18.9 °C
1964	19.7 °C
1965	19.8 °C
1966	19.1 °C
1967	18.3 °C
1968	19.6 °C
1969	20.0 °C
1970	19.7 °C
1971	18.5 °C
1972	18.8 °C
1973	19.5 °C
1974	19.3 °C
1975	19.1 °C
1976	19.0 °C
1977	20.1 °C
1978	19.2 °C
1979	18.7 °C
1980	19.8 °C
1981	19.1 °C
1982	18.7 °C
1983	19.3 °C
1984	18.6 °C
1985	19.2 °C
1986	19.7 °C
1987	20.2 °C
1988	19.8 °C
1989	19.1 °C
1990	19.0 °C
1991	21.0 °C
1992	18.3 °C
1993	20.0 °C
1994	19.9 °C
1995	19.9 °C
1996	19.2 °C
1997	18.8 °C
1998	20.6 °C
1999	20.2 °C
2000	19.3 °C
2001	19.4 °C
2002	20.3 °C
2003	18.9 °C
2004	20.0 °C
2005	20.0 °C
2006	19.7 °C
2007	19.6 °C
2008	19.3 °C
2009	19.8 °C
2010	21.7 °C
2011	20.8 °C
2012	20.3 °C
2013	19.6 °C
2014	19.1 °C
2015	20.7 °C
2016	20.8 °C
2017	20.4 °C
2018	20.6 °C
2019	21.3 °C
2020	20.0 °C
2021	20.5 °C
2022	20.2 °C
2023	20.1 °C
2024	21.2 °C
2025	20.6 °C
2026	20.9 °C

What this means for you: Since 1899, Wilson-Conococheague's last spring frost has come about 2 days earlier per decade, on average. The frost-free season has grown by about 3 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

Source: daily records from Hagerstown 1e (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Williamsport Halfway Maugansville Hagerstown Fountainhead-Orchard Hills Saint James