When to plant in Unionville, NC

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

Safe to plant out

Apr 17

1 year in 10 has a later frost

Average last frost

Apr 2

about a 50% chance of a later one

Average first fall frost

Nov 3

1 year in 10 by Oct 18

Frost-free days

212

median, 1991–2020

Station used: Monroe 2 Se · 12.0 km away · station 165 m, town 181 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	Feb 20 – Mar 6	Apr 17 – May 1	Jun 11
Sweet pepper	Feb 6 – Feb 20	Apr 17 – May 1	Jun 16
Lettuce (leaf)	Jan 29 – Feb 5	Mar 5 – Mar 19	Apr 14
Peas	—	Feb 19 – Mar 19	Apr 15
Bush beans	—	Apr 10 – May 1	May 30
Carrot	—	Mar 12 – Apr 23	May 11
Beet	—	Mar 5 – Apr 16	Apr 24
Potato	—	Mar 12 – Apr 2	May 21
Kale	Jan 22 – Feb 5	Mar 5 – Mar 19	Apr 17
Broccoli	Jan 22 – Feb 5	Mar 5 – Mar 26	May 4
Cucumber	Mar 20 – Mar 27	Apr 17 – May 1	Jun 6
Summer squash and zucchini	Mar 20 – Mar 27	Apr 17 – May 1	Jun 1
Winter squash	Mar 20 – Mar 27	Apr 17 – May 1	Jul 6
Sweet corn	—	Apr 10 – May 1	Jun 9
Onion (from sets)	—	Mar 5 – Mar 26	Jun 3
Garlic	—	Oct 20 – Nov 17 (fall)	following summer
Spinach	—	Feb 19 – Mar 19	Mar 29
Basil	Mar 6 – Mar 20	Apr 17 – May 1	Jun 13

Plan all 65 crops for Unionville

Unionville'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
1896	Apr 9
1897	Apr 21
1898	Apr 21
1899	Apr 17
1900	Apr 14
1901	Apr 29
1902	Apr 11
1903	Apr 24
1904	Apr 22
1905	Apr 18
1906	May 10
1907	Apr 21
1908	Apr 4
1909	Apr 11
1910	Apr 25
1911	Apr 25
1912	Apr 9
1913	Apr 7
1915	Apr 4
1916	Apr 27
1917	Apr 10
1918	Apr 14
1919	Apr 27
1920	Apr 15
1921	Apr 19
1922	Mar 23
1923	Apr 10
1924	Apr 3
1925	Apr 3
1926	Apr 27
1927	Apr 11
1928	Apr 17
1929	Apr 19
1930	Apr 25
1931	Mar 30
1932	Apr 19
1933	Mar 29
1934	Apr 13
1935	Apr 17
1936	Apr 20
1937	Apr 12
1938	Apr 11
1939	Apr 5
1940	Apr 14
1941	Mar 30
1942	Apr 12
1943	Apr 22
1944	Apr 6
1945	Apr 7
1946	Apr 18
1947	Mar 31
1948	Mar 29
1949	Apr 17
1950	Apr 22
1951	Apr 18
1952	Apr 8
1953	Apr 21
1954	Mar 22
1955	Mar 30
1956	Apr 20
1957	Apr 16
1958	Apr 8
1959	Mar 29
1960	Apr 11
1961	Apr 20
1962	Apr 21
1963	May 2
1964	Apr 10
1965	Apr 3
1966	May 11
1967	Apr 29
1968	Mar 25
1969	Apr 1
1970	Apr 8
1971	Apr 15
1972	Apr 9
1973	Apr 14
1974	Apr 25
1975	Apr 13
1976	Apr 13
1977	Mar 23
1978	Apr 22
1979	Mar 27
1980	Apr 17
1981	Apr 7
1982	Apr 23
1983	Apr 21
1984	Mar 31
1985	Apr 10
1986	May 4
1987	Apr 1
1988	Apr 20
1989	May 8
1990	Apr 19
1991	Mar 12
1992	Apr 6
1993	Apr 28
1994	Apr 9
1995	Apr 3
1996	Apr 10
1997	Apr 18
1998	Mar 23
1999	Mar 28
2000	Apr 5
2001	Apr 19
2002	Apr 7
2003	Apr 1
2004	Mar 24
2005	Mar 20
2006	Mar 28
2007	Apr 9
2008	Apr 17
2009	Mar 23
2010	Mar 7
2011	Mar 30
2013	Mar 30
2014	Apr 17
2015	Mar 30
2016	Apr 10
2017	Mar 18
2018	Apr 17
2019	Apr 3
2020	Mar 9
2021	Apr 22
2022	Apr 10
2023	Mar 22
2024	Mar 20
2025	Mar 7
2026	Mar 30

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1896	192
1897	204
1898	177
1899	167
1900	186
1901	169
1902	186
1903	177
1904	177
1905	176
1906	153
1907	175
1908	181
1909	184
1910	186
1911	191
1912	201
1913	197
1915	188
1916	167
1917	185
1918	184
1919	192
1920	196
1921	172
1922	231
1923	205
1924	202
1925	190
1926	181
1927	208
1928	191
1929	200
1930	176
1931	201
1932	197
1933	210
1934	184
1935	172
1936	193
1937	185
1938	217
1939	193
1940	206
1941	223
1942	197
1943	178
1944	192
1945	191
1946	166
1947	226
1948	203
1949	202
1950	197
1951	199
1952	195
1954	223
1955	208
1956	203
1957	187
1958	205
1959	218
1960	196
1961	189
1962	185
1963	180
1964	183
1965	204
1966	162
1967	173
1968	193
1969	205
1970	192
1971	203
1972	193
1973	186
1974	160
1975	200
1976	188
1977	232
1978	176
1979	201
1980	202
1981	195
1982	177
1983	197
1984	220
1985	212
1986	168
1987	190
1988	175
1989	165
1990	190
1991	237
1992	196
1993	178
1994	200
1995	215
1996	206
1997	200
1998	213
1999	209
2000	186
2001	172
2002	208
2003	226
2004	231
2005	237
2006	200
2007	212
2009	250
2011	213
2013	208
2014	199
2015	229
2016	223
2017	237
2018	207
2019	219
2020	254
2021	205
2022	191
2023	224
2024	246
2025	248

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

See the data as a table

Year	Growing-season temperature
1896	23.1 °C
1897	21.4 °C
1898	22.0 °C
1899	22.0 °C
1900	22.4 °C
1901	20.8 °C
1902	21.7 °C
1903	21.5 °C
1904	21.0 °C
1905	21.9 °C
1906	22.1 °C
1907	20.7 °C
1908	21.2 °C
1909	21.7 °C
1910	21.9 °C
1911	23.0 °C
1912	22.7 °C
1913	21.9 °C
1914	22.6 °C
1915	22.6 °C
1916	22.1 °C
1917	21.5 °C
1918	21.8 °C
1919	22.3 °C
1920	22.0 °C
1921	23.0 °C
1922	22.6 °C
1923	22.2 °C
1924	21.9 °C
1925	23.8 °C
1926	23.2 °C
1927	22.4 °C
1928	21.8 °C
1929	21.9 °C
1930	22.8 °C
1931	22.9 °C
1932	22.6 °C
1933	23.5 °C
1934	23.3 °C
1935	22.8 °C
1936	23.6 °C
1937	22.6 °C
1938	22.7 °C
1939	23.0 °C
1940	22.4 °C
1941	23.6 °C
1942	23.4 °C
1943	23.4 °C
1944	23.3 °C
1945	23.1 °C
1946	22.2 °C
1947	23.0 °C
1948	23.2 °C
1949	22.2 °C
1950	22.5 °C
1951	22.8 °C
1952	23.0 °C
1953	22.7 °C
1954	23.2 °C
1955	22.8 °C
1956	22.4 °C
1957	22.7 °C
1958	22.4 °C
1959	22.7 °C
1960	22.4 °C
1961	21.2 °C
1962	22.2 °C
1963	21.7 °C
1964	21.9 °C
1965	22.4 °C
1966	21.6 °C
1967	20.9 °C
1968	22.1 °C
1969	21.9 °C
1970	22.8 °C
1971	21.8 °C
1972	21.5 °C
1973	22.4 °C
1974	21.8 °C
1975	22.4 °C
1976	21.6 °C
1977	23.6 °C
1978	22.8 °C
1979	21.9 °C
1980	23.5 °C
1981	22.8 °C
1982	22.1 °C
1983	22.3 °C
1984	21.6 °C
1985	21.9 °C
1986	23.1 °C
1987	22.6 °C
1988	21.7 °C
1989	21.6 °C
1990	22.3 °C
1991	22.8 °C
1992	21.5 °C
1993	22.9 °C
1994	21.8 °C
1995	22.4 °C
1996	22.2 °C
1997	21.2 °C
1998	23.1 °C
1999	22.6 °C
2000	22.4 °C
2001	22.3 °C
2002	23.2 °C
2003	21.9 °C
2004	22.9 °C
2005	22.4 °C
2006	22.4 °C
2007	23.1 °C
2008	22.4 °C
2009	22.4 °C
2010	24.1 °C
2011	23.4 °C
2013	21.9 °C
2014	22.6 °C
2015	23.7 °C
2016	24.1 °C
2017	23.2 °C
2018	24.0 °C
2019	24.2 °C
2020	22.3 °C
2021	22.5 °C
2022	23.1 °C
2023	22.1 °C
2024	23.2 °C
2025	23.1 °C
2026	23.8 °C

What this means for you: Since 1896, Unionville's last spring frost has come about 1 day 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 Monroe 2 Se (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

Fairview Hemby Bridge Lake Park Monroe Wingate Indian Trail