When to plant in Whiteman Air Force Base, MO

Planting dates worked out from Whiteman Air Force Base'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 18

about a 50% chance of a later one

Average first fall frost

Oct 18

1 year in 10 by Oct 4

Frost-free days

180

median, 1991–2020

Station used: Sedalia Wtp · 29.8 km away · station 238 m, town 254 m. How we match towns to stations

This season

Plan your garden.

Build my Whiteman Air Force Base plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Mar 10 – Mar 24	May 5 – May 19	Jun 29
Sweet pepper	Feb 24 – Mar 10	May 5 – May 19	Jul 4
Lettuce (leaf)	Feb 14 – Feb 21	Mar 21 – Apr 4	Apr 30
Peas	—	Mar 16 – Apr 13	May 10
Bush beans	—	Apr 28 – May 19	Jun 17
Carrot	—	Mar 28 – May 9	May 27
Beet	—	Mar 25 – May 6	May 14
Potato	—	Mar 28 – Apr 18	Jun 6
Kale	Feb 9 – Feb 23	Mar 23 – Apr 6	May 5
Broccoli	Feb 7 – Feb 21	Mar 21 – Apr 11	May 20
Cucumber	Apr 7 – Apr 14	May 5 – May 19	Jun 24
Summer squash and zucchini	Apr 7 – Apr 14	May 5 – May 19	Jun 19
Winter squash	Apr 7 – Apr 14	May 5 – May 19	Jul 24
Sweet corn	—	Apr 28 – May 19	Jun 27
Onion (from sets)	—	Mar 21 – Apr 11	Jun 19
Garlic	—	Oct 4 – Nov 1 (fall)	following summer
Spinach	—	Mar 16 – Apr 13	Apr 23
Basil	Mar 24 – Apr 7	May 5 – May 19	Jul 1

Plan all 65 crops for Whiteman Air Force Base

Whiteman Air Force Base'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	Apr 23
1894	Apr 11
1897	Apr 17
1898	May 6
1899	Apr 16
1900	Apr 13
1901	Apr 17
1902	Apr 16
1903	May 1
1904	Apr 20
1905	Apr 17
1906	Apr 15
1938	Apr 10
1939	Apr 12
1940	Apr 13
1941	Mar 29
1942	Apr 11
1943	Apr 20
1944	May 6
1945	Apr 5
1946	Apr 12
1947	Mar 30
1948	Apr 14
1949	Apr 19
1950	Apr 20
1951	Apr 23
1952	Apr 15
1953	Apr 20
1954	May 4
1955	Mar 29
1956	Apr 24
1957	Apr 14
1958	Mar 28
1959	Apr 14
1960	Apr 10
1961	May 2
1962	Apr 16
1963	Mar 22
1964	Apr 9
1965	Mar 31
1966	Apr 21
1967	Apr 24
1968	Apr 6
1969	Mar 31
1970	Apr 5
1971	Apr 7
1972	Apr 25
1973	Apr 13
1974	Apr 18
1975	Apr 20
1976	May 4
1977	Apr 6
1978	Mar 28
1979	Apr 7
1980	May 9
1981	Apr 6
1982	Apr 26
1983	Apr 19
1984	Apr 6
1985	Apr 10
1986	Apr 23
1987	Apr 13
1988	Apr 25
1989	May 8
1990	Apr 13
1991	Apr 24
1992	May 28
1993	Apr 23
1994	Apr 8
1995	Apr 14
1996	Apr 30
1997	Apr 18
1998	Apr 5
1999	Apr 18
2000	Apr 9
2001	Apr 18
2002	Apr 26
2003	Apr 12
2004	Apr 14
2005	May 3
2006	Apr 10
2007	Apr 16
2008	Apr 29
2009	May 19
2010	Mar 30
2011	Apr 6
2012	Mar 10
2013	May 4
2014	May 16
2015	Apr 5
2016	Apr 13
2017	Apr 8
2018	Apr 21
2019	Apr 1
2020	Apr 19
2021	Apr 23
2022	Apr 27
2023	Apr 25
2024	Apr 23
2025	Apr 9
2026	Mar 29

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1893	187
1894	202
1897	194
1898	160
1899	164
1902	180
1903	169
1904	185
1905	186
1906	177
1938	196
1939	184
1940	206
1941	212
1942	165
1943	178
1944	158
1945	186
1946	212
1947	222
1948	186
1949	189
1950	197
1951	190
1952	173
1953	191
1954	178
1955	208
1956	197
1957	194
1958	214
1959	186
1960	192
1961	170
1962	190
1963	220
1964	182
1965	206
1966	177
1967	186
1968	201
1969	196
1971	206
1972	176
1973	199
1974	167
1975	181
1976	156
1977	189
1978	192
1979	181
1980	155
1981	195
1984	176
1985	173
1986	174
1987	172
1988	162
1989	138
1990	180
1991	148
1992	118
1993	169
1994	199
1995	160
1996	171
1997	185
1998	214
1999	169
2000	180
2001	171
2002	169
2003	195
2004	203
2005	174
2006	184
2007	193
2008	180
2009	143
2010	212
2011	197
2012	209
2013	171
2014	168
2015	207
2016	210
2017	202
2018	177
2019	193
2020	179
2021	193
2022	163
2023	168
2024	175
2025	204

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

See the data as a table

Year	Growing-season temperature
1893	21.0 °C
1894	21.8 °C
1897	21.1 °C
1898	20.7 °C
1899	20.6 °C
1902	20.4 °C
1903	19.7 °C
1904	19.6 °C
1905	21.6 °C
1906	21.4 °C
1937	22.2 °C
1938	22.1 °C
1939	23.0 °C
1940	21.0 °C
1941	22.8 °C
1942	21.5 °C
1943	21.8 °C
1944	21.2 °C
1945	20.3 °C
1946	21.4 °C
1947	21.6 °C
1948	21.6 °C
1949	20.8 °C
1950	19.7 °C
1951	20.1 °C
1952	22.0 °C
1953	22.4 °C
1954	23.4 °C
1955	22.3 °C
1956	22.4 °C
1957	21.3 °C
1958	21.1 °C
1959	21.9 °C
1960	21.4 °C
1961	19.8 °C
1962	21.8 °C
1963	22.4 °C
1964	22.1 °C
1965	21.9 °C
1966	20.7 °C
1967	20.6 °C
1968	21.1 °C
1969	21.7 °C
1970	22.1 °C
1971	20.9 °C
1972	20.4 °C
1973	20.0 °C
1974	19.2 °C
1975	20.1 °C
1976	19.8 °C
1977	21.5 °C
1978	20.6 °C
1979	19.7 °C
1980	21.3 °C
1981	20.2 °C
1982	19.1 °C
1983	20.0 °C
1984	19.1 °C
1985	20.0 °C
1986	20.8 °C
1987	20.6 °C
1988	20.1 °C
1989	18.6 °C
1990	19.9 °C
1991	20.7 °C
1992	17.6 °C
1993	19.0 °C
1994	19.4 °C
1995	19.0 °C
1996	19.1 °C
1997	18.8 °C
1998	20.9 °C
1999	20.1 °C
2000	20.6 °C
2001	20.7 °C
2002	21.0 °C
2003	19.8 °C
2004	19.5 °C
2005	21.1 °C
2006	21.0 °C
2007	21.0 °C
2008	19.4 °C
2009	19.0 °C
2010	21.6 °C
2011	20.7 °C
2012	21.6 °C
2013	19.4 °C
2014	19.7 °C
2015	20.6 °C
2016	20.8 °C
2017	20.0 °C
2018	20.9 °C
2019	21.0 °C
2020	19.6 °C
2021	20.4 °C
2022	20.3 °C
2023	20.7 °C
2024	20.7 °C
2025	20.4 °C
2026	22.1 °C

What this means for you: Since 1893, Whiteman Air Force Base'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 Sedalia Wtp (NOAA GHCN-Daily). Years with too many missing days are left out.

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