When to plant in Belleville, MI
Planting dates worked out from Belleville's own frost records, not a generic zone chart.
Safe to plant out
May 13
1 year in 10 has a later frost
Average last frost
May 2
about a 50% chance of a later one
Average first fall frost
Oct 17
1 year in 10 by Oct 4
Frost-free days
164
median, 1991–2020
Station used: Detroit Willow Run Ap · 4.9 km away · station 216 m, town 206 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 | Mar 18 – Apr 1 | May 13 – May 27 | Jul 7 |
| Sweet pepper | Mar 4 – Mar 18 | May 13 – May 27 | Jul 12 |
| Lettuce (leaf) | Feb 28 – Mar 7 | Apr 4 – Apr 18 | May 14 |
| Peas | — | Mar 31 – Apr 28 | May 25 |
| Bush beans | — | May 6 – May 27 | Jun 25 |
| Carrot | — | Apr 11 – May 23 | Jun 10 |
| Beet | — | Apr 9 – May 21 | May 29 |
| Potato | — | Apr 11 – May 2 | Jun 20 |
| Kale | Feb 24 – Mar 10 | Apr 7 – Apr 21 | May 20 |
| Broccoli | Feb 21 – Mar 7 | Apr 4 – Apr 25 | Jun 3 |
| Cucumber | Apr 15 – Apr 22 | May 13 – May 27 | Jul 2 |
| Summer squash and zucchini | Apr 15 – Apr 22 | May 13 – May 27 | Jun 27 |
| Winter squash | Apr 15 – Apr 22 | May 13 – May 27 | Aug 1 |
| Sweet corn | — | May 6 – May 27 | Jul 5 |
| Onion (from sets) | — | Apr 4 – Apr 25 | Jul 3 |
| Garlic | — | Oct 3 – Oct 31 (fall) | following summer |
| Spinach | — | Mar 31 – Apr 28 | May 8 |
| Basil | Apr 1 – Apr 15 | May 13 – May 27 | Jul 9 |
Belleville'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 |
|---|---|
| 1948 | Apr 18 |
| 1949 | Apr 25 |
| 1950 | May 8 |
| 1951 | Apr 23 |
| 1952 | Apr 12 |
| 1953 | Apr 21 |
| 1954 | May 9 |
| 1955 | Apr 7 |
| 1956 | Apr 24 |
| 1957 | Apr 15 |
| 1958 | Apr 30 |
| 1959 | Apr 21 |
| 1960 | Apr 19 |
| 1961 | May 2 |
| 1962 | Apr 17 |
| 1963 | May 23 |
| 1964 | Apr 25 |
| 1965 | Apr 19 |
| 1966 | May 13 |
| 1967 | May 23 |
| 1968 | May 6 |
| 1999 | Apr 25 |
| 2000 | Apr 28 |
| 2001 | May 13 |
| 2002 | May 20 |
| 2003 | May 4 |
| 2004 | May 4 |
| 2005 | May 6 |
| 2006 | Apr 28 |
| 2007 | May 13 |
| 2008 | Apr 30 |
| 2009 | May 18 |
| 2010 | May 10 |
| 2011 | Apr 21 |
| 2012 | Apr 29 |
| 2013 | May 13 |
| 2014 | Apr 20 |
| 2015 | Apr 24 |
| 2016 | Apr 14 |
| 2017 | May 9 |
| 2018 | Apr 29 |
| 2019 | Apr 2 |
| 2020 | May 13 |
| 2021 | May 1 |
| 2022 | Apr 29 |
| 2023 | Apr 27 |
| 2024 | Apr 26 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1948 | 181 |
| 1949 | 182 |
| 1950 | 170 |
| 1951 | 186 |
| 1952 | 173 |
| 1953 | 169 |
| 1954 | 171 |
| 1955 | 200 |
| 1956 | 198 |
| 1957 | 192 |
| 1958 | 158 |
| 1959 | 180 |
| 1960 | 183 |
| 1961 | 149 |
| 1962 | 189 |
| 1963 | 159 |
| 1964 | 162 |
| 1965 | 160 |
| 1966 | 141 |
| 1967 | 149 |
| 1999 | 163 |
| 2000 | 182 |
| 2001 | 146 |
| 2002 | 146 |
| 2003 | 150 |
| 2004 | 151 |
| 2005 | 163 |
| 2006 | 166 |
| 2007 | 167 |
| 2008 | 156 |
| 2009 | 145 |
| 2010 | 164 |
| 2011 | 183 |
| 2012 | 161 |
| 2013 | 162 |
| 2014 | 194 |
| 2015 | 175 |
| 2016 | 194 |
| 2017 | 169 |
| 2018 | 169 |
| 2019 | 206 |
| 2020 | 155 |
| 2021 | 185 |
| 2023 | 178 |
| 2024 | 183 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1948 | 18.3 °C |
| 1949 | 18.5 °C |
| 1950 | 16.7 °C |
| 1951 | 17.2 °C |
| 1952 | 18.6 °C |
| 1953 | 18.2 °C |
| 1954 | 17.8 °C |
| 1955 | 19.8 °C |
| 1956 | 17.0 °C |
| 1957 | 17.6 °C |
| 1958 | 17.3 °C |
| 1959 | 19.2 °C |
| 1960 | 18.0 °C |
| 1961 | 17.3 °C |
| 1962 | 17.9 °C |
| 1963 | 16.8 °C |
| 1964 | 17.4 °C |
| 1965 | 16.1 °C |
| 1966 | 15.9 °C |
| 1967 | 15.9 °C |
| 1968 | 16.8 °C |
| 1999 | 17.8 °C |
| 2000 | 16.5 °C |
| 2001 | 17.4 °C |
| 2002 | 17.8 °C |
| 2003 | 16.2 °C |
| 2004 | 16.9 °C |
| 2005 | 18.1 °C |
| 2006 | 17.8 °C |
| 2007 | 17.4 °C |
| 2008 | 17.4 °C |
| 2009 | 16.7 °C |
| 2010 | 19.1 °C |
| 2011 | 18.9 °C |
| 2012 | 19.9 °C |
| 2013 | 18.8 °C |
| 2014 | 18.9 °C |
| 2015 | 19.7 °C |
| 2016 | 20.4 °C |
| 2017 | 19.0 °C |
| 2018 | 19.5 °C |
| 2019 | 19.3 °C |
| 2020 | 19.0 °C |
| 2021 | 20.0 °C |
| 2022 | 19.6 °C |
| 2023 | 17.5 °C |
| 2024 | 19.2 °C |
What this means for you: Since 1948, Belleville'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 Detroit Willow Run Ap (NOAA GHCN-Daily). Years with too many missing days are left out.