When to plant in New Baden, IL
Planting dates worked out from New Baden's own frost records, not a generic zone chart.
Safe to plant out
Apr 23
1 year in 10 has a later frost
Average last frost
Apr 10
about a 50% chance of a later one
Average first fall frost
Oct 14
1 year in 10 by Oct 2
Frost-free days
186
median, 1991–2020
Station used: Belleville Siu Rsch · 12.8 km away · station 137 m, town 140 m. How we match towns to stations
This season
Plan your garden.
Planting dates for common crops
| Crop | Start indoors | Plant out or sow | Harvest from |
|---|---|---|---|
| Tomato | Feb 26 – Mar 12 | Apr 23 – May 7 | Jun 17 |
| Sweet pepper | Feb 12 – Feb 26 | Apr 23 – May 7 | Jun 22 |
| Lettuce (leaf) | Feb 6 – Feb 13 | Mar 13 – Mar 27 | Apr 22 |
| Peas | — | Mar 2 – Mar 30 | Apr 26 |
| Bush beans | — | Apr 16 – May 7 | Jun 5 |
| Carrot | — | Mar 20 – May 1 | May 19 |
| Beet | — | Mar 13 – Apr 24 | May 2 |
| Potato | — | Mar 20 – Apr 10 | May 29 |
| Kale | Jan 30 – Feb 13 | Mar 13 – Mar 27 | Apr 25 |
| Broccoli | Jan 30 – Feb 13 | Mar 13 – Apr 3 | May 12 |
| Cucumber | Mar 26 – Apr 2 | Apr 23 – May 7 | Jun 12 |
| Summer squash and zucchini | Mar 26 – Apr 2 | Apr 23 – May 7 | Jun 7 |
| Winter squash | Mar 26 – Apr 2 | Apr 23 – May 7 | Jul 12 |
| Sweet corn | — | Apr 16 – May 7 | Jun 15 |
| Onion (from sets) | — | Mar 13 – Apr 3 | Jun 11 |
| Garlic | — | Sep 30 – Oct 28 (fall) | following summer |
| Spinach | — | Mar 2 – Mar 30 | Apr 9 |
| Basil | Mar 12 – Mar 26 | Apr 23 – May 7 | Jun 19 |
New Baden'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 |
|---|---|
| 1949 | Apr 16 |
| 1950 | Apr 14 |
| 1951 | Apr 23 |
| 1952 | Apr 11 |
| 1953 | Apr 19 |
| 1954 | Apr 3 |
| 1955 | Mar 30 |
| 1956 | Apr 23 |
| 1957 | Apr 13 |
| 1958 | Apr 8 |
| 1959 | Apr 11 |
| 1960 | Apr 10 |
| 1961 | Apr 7 |
| 1962 | Apr 16 |
| 1963 | Apr 24 |
| 1964 | Apr 9 |
| 1965 | Apr 1 |
| 1966 | May 10 |
| 1967 | May 3 |
| 1968 | Apr 25 |
| 1969 | Apr 29 |
| 1970 | Apr 7 |
| 1971 | Apr 8 |
| 1972 | Apr 7 |
| 1973 | Apr 14 |
| 1974 | Apr 9 |
| 1975 | Apr 13 |
| 1976 | May 4 |
| 1977 | Mar 25 |
| 1978 | May 2 |
| 1979 | Apr 7 |
| 1980 | May 9 |
| 1981 | Apr 6 |
| 1982 | Apr 23 |
| 1983 | Apr 25 |
| 1984 | Apr 1 |
| 1985 | Apr 9 |
| 1986 | Apr 23 |
| 1987 | Apr 9 |
| 1988 | Apr 20 |
| 1989 | Apr 14 |
| 1990 | Apr 18 |
| 1991 | Mar 31 |
| 1992 | Apr 28 |
| 1993 | Apr 22 |
| 1994 | Apr 7 |
| 1995 | Apr 5 |
| 1996 | Apr 10 |
| 1997 | Apr 28 |
| 1998 | Apr 5 |
| 1999 | Mar 30 |
| 2000 | Apr 14 |
| 2001 | Apr 18 |
| 2002 | Apr 6 |
| 2003 | Apr 11 |
| 2004 | Apr 14 |
| 2005 | Mar 20 |
| 2006 | Apr 4 |
| 2007 | Apr 13 |
| 2008 | Apr 29 |
| 2009 | Apr 9 |
| 2010 | Mar 26 |
| 2011 | Apr 1 |
| 2012 | Apr 12 |
| 2013 | Apr 20 |
| 2014 | Apr 16 |
| 2015 | Apr 4 |
| 2016 | Apr 13 |
| 2017 | Mar 19 |
| 2018 | Apr 17 |
| 2019 | Apr 15 |
| 2020 | Apr 18 |
| 2021 | Apr 22 |
| 2023 | Apr 24 |
| 2024 | Apr 6 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1949 | 193 |
| 1950 | 204 |
| 1951 | 192 |
| 1952 | 179 |
| 1953 | 199 |
| 1954 | 209 |
| 1955 | 217 |
| 1956 | 198 |
| 1957 | 196 |
| 1958 | 212 |
| 1959 | 207 |
| 1960 | 192 |
| 1961 | 209 |
| 1962 | 190 |
| 1963 | 188 |
| 1964 | 183 |
| 1965 | 206 |
| 1966 | 144 |
| 1967 | 160 |
| 1968 | 161 |
| 1969 | 168 |
| 1970 | 191 |
| 1971 | 209 |
| 1972 | 194 |
| 1973 | 204 |
| 1974 | 166 |
| 1975 | 189 |
| 1976 | 165 |
| 1977 | 201 |
| 1978 | 158 |
| 1979 | 180 |
| 1980 | 169 |
| 1981 | 179 |
| 1982 | 180 |
| 1983 | 150 |
| 1984 | 214 |
| 1985 | 174 |
| 1986 | 200 |
| 1987 | 177 |
| 1988 | 167 |
| 1989 | 162 |
| 1990 | 158 |
| 1991 | 172 |
| 1992 | 167 |
| 1993 | 160 |
| 1994 | 200 |
| 1995 | 170 |
| 1996 | 191 |
| 1997 | 169 |
| 1998 | 199 |
| 1999 | 188 |
| 2001 | 171 |
| 2002 | 190 |
| 2003 | 173 |
| 2004 | 171 |
| 2005 | 219 |
| 2006 | 190 |
| 2007 | 193 |
| 2008 | 181 |
| 2009 | 184 |
| 2010 | 191 |
| 2011 | 203 |
| 2012 | 178 |
| 2013 | 184 |
| 2014 | 196 |
| 2015 | 196 |
| 2016 | 210 |
| 2017 | 219 |
| 2018 | 186 |
| 2019 | 179 |
| 2020 | 169 |
| 2021 | 194 |
| 2023 | 188 |
| 2024 | 192 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1949 | 20.8 °C |
| 1950 | 19.7 °C |
| 1951 | 20.1 °C |
| 1952 | 22.0 °C |
| 1953 | 21.9 °C |
| 1954 | 22.8 °C |
| 1955 | 22.5 °C |
| 1956 | 21.3 °C |
| 1957 | 21.6 °C |
| 1958 | 20.9 °C |
| 1959 | 22.0 °C |
| 1960 | 20.5 °C |
| 1961 | 19.3 °C |
| 1962 | 20.7 °C |
| 1963 | 20.4 °C |
| 1964 | 21.3 °C |
| 1965 | 21.2 °C |
| 1966 | 19.6 °C |
| 1967 | 19.7 °C |
| 1968 | 19.7 °C |
| 1969 | 20.8 °C |
| 1970 | 21.0 °C |
| 1971 | 20.8 °C |
| 1972 | 21.0 °C |
| 1973 | 20.8 °C |
| 1974 | 20.2 °C |
| 1975 | 20.7 °C |
| 1976 | 19.9 °C |
| 1977 | 22.1 °C |
| 1978 | 21.1 °C |
| 1979 | 20.2 °C |
| 1980 | 21.6 °C |
| 1981 | 20.6 °C |
| 1982 | 19.9 °C |
| 1983 | 20.5 °C |
| 1984 | 20.6 °C |
| 1985 | 20.6 °C |
| 1986 | 21.6 °C |
| 1987 | 21.7 °C |
| 1988 | 21.5 °C |
| 1989 | 19.5 °C |
| 1991 | 21.6 °C |
| 1992 | 20.4 °C |
| 1993 | 21.2 °C |
| 1994 | 21.4 °C |
| 1995 | 21.8 °C |
| 1996 | 21.5 °C |
| 1997 | 20.4 °C |
| 1998 | 22.4 °C |
| 1999 | 22.1 °C |
| 2001 | 22.3 °C |
| 2002 | 22.2 °C |
| 2003 | 21.0 °C |
| 2004 | 21.1 °C |
| 2005 | 22.4 °C |
| 2006 | 22.4 °C |
| 2007 | 22.4 °C |
| 2008 | 21.1 °C |
| 2009 | 21.0 °C |
| 2010 | 23.1 °C |
| 2011 | 22.7 °C |
| 2012 | 23.0 °C |
| 2013 | 21.6 °C |
| 2014 | 21.4 °C |
| 2015 | 22.3 °C |
| 2016 | 22.6 °C |
| 2017 | 22.2 °C |
| 2018 | 22.6 °C |
| 2019 | 22.4 °C |
| 2020 | 21.1 °C |
| 2021 | 20.5 °C |
| 2023 | 20.8 °C |
| 2024 | 21.5 °C |
What this means for you: Since 1949, New Baden'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 Belleville Siu Rsch (NOAA GHCN-Daily). Years with too many missing days are left out.