When to plant in Catlin, IL

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

Safe to plant out

May 1

1 year in 10 has a later frost

Average last frost

Apr 20

about a 50% chance of a later one

Average first fall frost

Oct 16

1 year in 10 by Oct 3

Frost-free days

176

median, 1991–2020

Station used: Danville · 9.4 km away · station 169 m, town 201 m. How we match towns to stations

This season

Plan your garden.

Build my Catlin plan

Planting dates for common crops

Crop	Start indoors	Plant out or sow	Harvest from
Tomato	Mar 6 – Mar 20	May 1 – May 15	Jun 25
Sweet pepper	Feb 20 – Mar 6	May 1 – May 15	Jun 30
Lettuce (leaf)	Feb 16 – Feb 23	Mar 23 – Apr 6	May 2
Peas	—	Mar 18 – Apr 15	May 12
Bush beans	—	Apr 24 – May 15	Jun 13
Carrot	—	Mar 30 – May 11	May 29
Beet	—	Mar 27 – May 8	May 16
Potato	—	Mar 30 – Apr 20	Jun 8
Kale	Feb 11 – Feb 25	Mar 25 – Apr 8	May 7
Broccoli	Feb 9 – Feb 23	Mar 23 – Apr 13	May 22
Cucumber	Apr 3 – Apr 10	May 1 – May 15	Jun 20
Summer squash and zucchini	Apr 3 – Apr 10	May 1 – May 15	Jun 15
Winter squash	Apr 3 – Apr 10	May 1 – May 15	Jul 20
Sweet corn	—	Apr 24 – May 15	Jun 23
Onion (from sets)	—	Mar 23 – Apr 13	Jun 21
Garlic	—	Oct 2 – Oct 30 (fall)	following summer
Spinach	—	Mar 18 – Apr 15	Apr 25
Basil	Mar 20 – Apr 3	May 1 – May 15	Jun 27

Plan all 65 crops for Catlin

Catlin'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
1898	Apr 21
1899	Apr 16
1900	May 11
1901	Apr 23
1903	May 4
1904	Apr 21
1911	May 5
1912	Apr 19
1913	Apr 8
1914	Apr 21
1915	Apr 13
1916	Apr 10
1917	Apr 15
1918	Apr 14
1919	Apr 26
1920	Apr 14
1921	Apr 18
1922	Apr 2
1924	May 22
1925	May 26
1926	May 4
1927	Apr 25
1928	May 13
1929	May 7
1930	Apr 26
1931	Apr 23
1932	May 2
1933	Apr 27
1934	May 25
1935	Apr 22
1936	Apr 23
1937	Apr 16
1938	May 13
1939	May 3
1940	May 4
1941	May 12
1942	Apr 22
1943	May 4
1944	May 7
1945	May 11
1946	Apr 27
1947	May 10
1948	Apr 30
1949	Apr 20
1950	Apr 28
1951	Apr 23
1952	Apr 16
1953	Apr 21
1954	May 21
1955	Apr 8
1956	May 20
1957	Apr 15
1959	Apr 23
1960	May 13
1961	May 27
1962	Apr 20
1963	May 1
1964	Apr 15
1965	Apr 3
1966	May 10
1967	May 3
1968	May 6
1969	Apr 30
1970	May 3
1971	May 4
1972	Apr 26
1973	Apr 17
1974	May 7
1975	Apr 21
1976	May 8
1977	Apr 29
1978	May 3
1979	Apr 10
1980	Apr 25
1981	May 12
1982	Apr 28
1983	May 9
1984	May 16
1985	Apr 10
1986	Apr 23
1987	Apr 10
1988	Apr 20
1989	May 8
1991	Apr 22
1992	Apr 28
1993	Apr 22
1994	Apr 23
1995	Apr 5
1996	Apr 27
1997	May 16
1998	Apr 11
1999	Mar 31
2000	Apr 22
2001	Apr 19
2002	Apr 6
2003	Apr 23
2004	Apr 14
2005	May 3
2006	Apr 9
2007	Apr 16
2008	Apr 15
2009	Apr 12
2010	Apr 28
2011	Apr 21
2012	Apr 12
2013	Apr 26
2014	Apr 15
2015	Apr 24
2017	Apr 9
2018	Apr 30
2019	Apr 15
2020	May 9
2021	May 12
2022	Apr 27
2023	Apr 27
2024	Apr 25
2025	Apr 12
2026	Apr 20

Each year's frost-free daysLong-term trend

See the data as a table

Year	Frost-free days
1898	188
1899	163
1900	158
1901	148
1911	171
1912	187
1913	195
1914	188
1915	175
1916	158
1917	173
1918	160
1919	169
1920	170
1921	177
1924	131
1925	136
1926	169
1927	174
1928	133
1929	153
1930	174
1931	177
1932	156
1933	168
1934	141
1935	162
1936	183
1937	153
1938	163
1939	150
1940	144
1941	151
1942	158
1943	142
1944	157
1945	151
1946	156
1947	135
1948	170
1949	162
1950	159
1951	158
1952	169
1954	149
1955	199
1956	142
1957	179
1959	171
1960	159
1961	140
1962	186
1963	165
1964	173
1965	204
1966	144
1967	161
1968	150
1969	167
1970	165
1971	160
1972	175
1973	194
1974	147
1975	164
1976	154
1977	166
1978	157
1979	182
1980	162
1981	143
1982	171
1983	136
1984	137
1985	174
1986	174
1987	176
1988	168
1989	148
1991	176
1992	171
1993	160
1994	184
1995	170
1996	166
1997	151
1998	193
1999	200
2000	168
2001	170
2002	190
2003	161
2004	171
2005	177
2006	185
2007	194
2008	195
2009	188
2010	173
2011	182
2012	176
2013	178
2014	197
2015	176
2017	199
2018	168
2019	179
2020	148
2021	172
2022	163
2023	185
2024	173
2025	193

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

See the data as a table

Year	Growing-season temperature
1898	19.7 °C
1900	19.6 °C
1901	20.1 °C
1904	18.5 °C
1911	20.9 °C
1912	19.9 °C
1913	20.8 °C
1914	20.9 °C
1915	19.1 °C
1916	20.0 °C
1917	18.0 °C
1918	19.5 °C
1919	20.3 °C
1920	19.2 °C
1921	21.7 °C
1923	19.6 °C
1924	18.0 °C
1925	20.4 °C
1926	18.9 °C
1927	18.3 °C
1928	18.0 °C
1929	18.7 °C
1930	20.1 °C
1931	20.1 °C
1932	19.7 °C
1933	20.7 °C
1934	20.8 °C
1935	18.5 °C
1936	20.8 °C
1937	18.8 °C
1938	19.6 °C
1939	19.7 °C
1940	19.3 °C
1941	20.4 °C
1942	19.8 °C
1943	19.6 °C
1944	20.0 °C
1945	18.2 °C
1946	18.6 °C
1947	18.9 °C
1948	20.0 °C
1949	19.5 °C
1950	18.4 °C
1951	18.5 °C
1952	19.9 °C
1953	19.8 °C
1954	20.4 °C
1955	20.4 °C
1956	18.8 °C
1957	19.2 °C
1959	21.0 °C
1960	20.2 °C
1961	18.8 °C
1962	19.7 °C
1963	19.2 °C
1964	20.3 °C
1965	19.9 °C
1966	18.8 °C
1967	18.6 °C
1968	19.2 °C
1969	19.5 °C
1970	20.2 °C
1971	19.4 °C
1972	19.2 °C
1973	19.6 °C
1974	18.8 °C
1975	19.2 °C
1976	18.8 °C
1977	20.8 °C
1978	20.0 °C
1979	19.0 °C
1980	20.2 °C
1981	19.6 °C
1982	18.9 °C
1983	19.4 °C
1984	18.9 °C
1985	19.7 °C
1986	20.6 °C
1987	20.6 °C
1988	20.6 °C
1989	18.6 °C
1990	19.1 °C
1991	21.4 °C
1992	18.3 °C
1993	19.2 °C
1994	19.3 °C
1995	19.7 °C
1996	18.7 °C
1998	20.5 °C
1999	20.0 °C
2000	19.7 °C
2001	20.1 °C
2002	20.2 °C
2003	19.1 °C
2004	19.6 °C
2005	20.7 °C
2006	19.7 °C
2007	20.6 °C
2008	19.1 °C
2009	18.7 °C
2010	21.2 °C
2011	20.1 °C
2012	20.6 °C
2013	19.5 °C
2014	19.1 °C
2015	20.1 °C
2017	20.0 °C
2018	20.4 °C
2019	20.2 °C
2020	19.3 °C
2021	19.7 °C
2022	19.1 °C
2023	19.3 °C
2024	20.4 °C
2025	20.4 °C
2026	21.0 °C

What this means for you: Since 1898, Catlin's last spring frost has stayed at about the same time of year. 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 Danville (NOAA GHCN-Daily). Years with too many missing days are left out.

Nearby towns

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