When to plant in Ogden, IA

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

Safe to plant out

May 15

1 year in 10 has a later frost

Average last frost

Apr 29

about a 50% chance of a later one

Average first fall frost

Oct 8

1 year in 10 by Sep 22

Frost-free days

162

median, 1991–2020

Station used: Boone · 11.3 km away · station 316 m, town 338 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 20 – Apr 3	May 15 – May 29	Jul 9
Sweet pepper	Mar 6 – Mar 20	May 15 – May 29	Jul 14
Lettuce (leaf)	Feb 25 – Mar 4	Apr 1 – Apr 15	May 11
Peas	—	Apr 1 – Apr 29	May 26
Bush beans	—	May 8 – May 29	Jun 27
Carrot	—	Apr 10 – May 22	Jun 9
Beet	—	Apr 10 – May 22	May 30
Potato	—	Apr 10 – May 1	Jun 19
Kale	Feb 25 – Mar 11	Apr 8 – Apr 22	May 21
Broccoli	Feb 18 – Mar 4	Apr 1 – Apr 22	May 31
Cucumber	Apr 17 – Apr 24	May 15 – May 29	Jul 4
Summer squash and zucchini	Apr 17 – Apr 24	May 15 – May 29	Jun 29
Winter squash	Apr 17 – Apr 24	May 15 – May 29	Aug 3
Sweet corn	—	May 8 – May 29	Jul 7
Onion (from sets)	—	Apr 1 – Apr 22	Jun 30
Garlic	—	Sep 24 – Oct 22 (fall)	following summer
Spinach	—	Apr 1 – Apr 29	May 9
Basil	Apr 3 – Apr 17	May 15 – May 29	Jul 11

Plan all 65 crops for Ogden

Ogden'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
1906	May 6
1907	May 20
1908	May 3
1909	May 3
1910	May 3
1911	May 2
1912	Apr 28
1913	Apr 27
1915	May 9
1916	Apr 10
1917	May 5
1918	Apr 26
1919	Apr 26
1920	Apr 28
1921	May 3
1922	Apr 30
1923	May 17
1924	May 12
1925	May 25
1926	May 15
1927	May 12
1928	May 28
1929	May 21
1930	May 30
1931	May 22
1932	May 2
1933	Apr 27
1934	May 25
1935	May 4
1936	Apr 22
1937	Apr 25
1938	May 8
1939	May 11
1940	May 3
1942	Apr 19
1943	Apr 20
1944	May 6
1945	May 10
1946	May 12
1947	May 29
1948	Apr 13
1949	Apr 24
1950	May 1
1951	Apr 23
1952	Apr 13
1953	May 13
1954	May 7
1955	Apr 7
1956	May 16
1957	Apr 14
1958	Apr 29
1959	Apr 22
1960	May 1
1961	May 2
1962	Apr 17
1963	May 23
1964	Apr 9
1965	Apr 27
1966	May 10
1967	May 3
1968	Apr 26
1969	May 12
1970	May 3
1972	Apr 25
1973	May 17
1974	Apr 24
1975	May 1
1976	May 8
1977	Apr 26
1978	May 2
1979	May 12
1980	May 9
1981	May 11
1982	Apr 21
1983	May 15
1984	May 8
1985	Apr 15
1986	May 2
1987	Apr 10
1988	Apr 28
1989	May 7
1990	May 1
1991	May 7
1992	May 6
1993	Apr 22
1994	May 1
1995	Apr 27
1996	May 1
1997	May 15
1998	Apr 17
1999	Apr 19
2000	Apr 21
2001	Apr 19
2002	May 19
2003	Apr 10
2004	May 15
2005	May 4
2006	May 6
2007	Apr 15
2008	May 4
2009	Apr 15
2010	May 9
2011	May 3
2012	Apr 12
2013	May 12
2014	May 17
2015	Apr 23
2016	Apr 13
2017	May 2
2018	Apr 20
2019	Apr 28
2020	May 9
2021	Apr 22
2022	Apr 27
2023	May 3
2024	Apr 22
2025	Apr 9
2026	May 3

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1906	156
1907	144
1908	147
1909	161
1910	171
1911	171
1912	150
1915	148
1916	171
1917	153
1918	147
1919	167
1920	154
1922	161
1923	119
1925	134
1926	132
1927	148
1928	117
1929	119
1930	120
1931	147
1932	149
1933	152
1934	113
1935	152
1936	182
1937	143
1938	167
1939	141
1942	157
1943	177
1944	156
1945	141
1946	158
1947	161
1948	186
1949	157
1951	157
1952	175
1953	166
1954	163
1955	190
1956	136
1957	178
1958	154
1959	169
1960	167
1961	148
1962	155
1963	157
1964	177
1965	167
1966	143
1967	147
1968	160
1970	159
1972	157
1973	151
1974	150
1975	133
1976	150
1977	159
1978	158
1979	145
1980	139
1981	128
1982	177
1983	128
1984	140
1985	168
1986	156
1987	174
1988	158
1989	138
1990	161
1991	134
1992	145
1993	162
1994	176
1995	147
1996	159
1997	157
1998	187
1999	154
2000	167
2001	169
2002	140
2003	171
2004	139
2005	155
2006	158
2007	152
2008	164
2009	171
2010	172
2011	166
2012	163
2013	161
2014	139
2015	177
2016	182
2017	177
2018	174
2019	166
2020	145
2021	182
2022	153
2023	159
2024	174
2025	195

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

See the data as a table

Year	Growing-season temperature
1906	18.6 °C
1907	16.2 °C
1908	18.1 °C
1909	17.2 °C
1910	18.2 °C
1911	19.1 °C
1912	17.3 °C
1913	19.0 °C
1915	16.6 °C
1916	18.2 °C
1917	16.8 °C
1918	18.4 °C
1919	18.8 °C
1920	17.8 °C
1922	18.8 °C
1923	17.9 °C
1924	16.3 °C
1925	19.1 °C
1926	18.1 °C
1927	17.7 °C
1928	17.1 °C
1929	17.7 °C
1930	19.1 °C
1931	19.4 °C
1932	18.8 °C
1933	19.4 °C
1934	20.4 °C
1935	17.7 °C
1936	20.6 °C
1937	19.3 °C
1938	19.1 °C
1939	19.9 °C
1940	18.5 °C
1942	18.6 °C
1943	18.4 °C
1944	19.0 °C
1945	17.7 °C
1946	18.8 °C
1947	19.2 °C
1948	20.1 °C
1949	19.6 °C
1950	17.3 °C
1951	17.5 °C
1952	19.3 °C
1953	18.9 °C
1954	19.4 °C
1955	20.8 °C
1956	18.9 °C
1957	18.5 °C
1958	18.1 °C
1959	18.9 °C
1960	18.1 °C
1961	17.2 °C
1962	18.1 °C
1963	18.2 °C
1964	18.9 °C
1965	18.1 °C
1966	18.1 °C
1967	17.8 °C
1968	18.7 °C
1969	18.8 °C
1970	18.3 °C
1972	17.5 °C
1973	17.6 °C
1974	17.4 °C
1975	17.6 °C
1976	17.9 °C
1977	19.5 °C
1978	18.1 °C
1979	17.2 °C
1980	18.6 °C
1981	17.1 °C
1982	16.6 °C
1983	17.0 °C
1984	17.0 °C
1985	17.7 °C
1986	18.3 °C
1987	19.1 °C
1988	19.6 °C
1989	17.7 °C
1990	17.9 °C
1991	18.8 °C
1992	16.3 °C
1993	16.5 °C
1994	17.7 °C
1995	17.6 °C
1996	16.7 °C
1997	17.3 °C
1998	19.1 °C
1999	18.1 °C
2000	18.6 °C
2001	18.7 °C
2002	18.7 °C
2003	18.1 °C
2004	17.7 °C
2005	18.9 °C
2006	18.2 °C
2007	18.5 °C
2008	16.9 °C
2009	16.9 °C
2010	18.8 °C
2011	17.8 °C
2012	19.4 °C
2013	17.7 °C
2014	17.1 °C
2015	18.0 °C
2016	18.6 °C
2018	18.5 °C
2019	18.2 °C
2020	18.3 °C
2021	19.0 °C
2022	18.0 °C
2023	18.7 °C
2024	18.4 °C
2025	18.6 °C
2026	18.7 °C

What this means for you: Since 1906, Ogden's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 1 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.

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

Nearby towns

Centerville Boone Woodward Perry Madrid Jefferson