When to plant in West Branch, MI
Planting dates worked out from West Branch's own frost records, not a generic zone chart.
Safe to plant out
May 28
1 year in 10 has a later frost
Average last frost
May 18
about a 50% chance of a later one
Average first fall frost
Sep 30
1 year in 10 by Sep 19
Frost-free days
131
median, 1991–2020
Station used: W Branch 3se · 3.9 km away · station 270 m, town 291 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 | Apr 2 – Apr 16 | May 28 – Jun 11 | Jul 22 |
| Sweet pepper | Mar 19 – Apr 2 | May 28 – Jun 11 | Jul 27 |
| Lettuce (leaf) | Mar 16 – Mar 23 | Apr 20 – May 4 | May 30 |
| Peas | — | Apr 17 – May 15 | Jun 11 |
| Bush beans | — | May 21 – Jun 11 | Jul 10 |
| Carrot | — | Apr 27 – Jun 8 | Jun 26 |
| Beet | — | Apr 25 – Jun 6 | Jun 14 |
| Potato | — | Apr 27 – May 18 | Jul 6 |
| Kale | Mar 13 – Mar 27 | Apr 24 – May 8 | Jun 6 |
| Broccoli | Mar 9 – Mar 23 | Apr 20 – May 11 | Jun 19 |
| Cucumber | Apr 30 – May 7 | May 28 – Jun 11 | Jul 17 |
| Summer squash and zucchini | Apr 30 – May 7 | May 28 – Jun 11 | Jul 12 |
| Winter squash | Apr 30 – May 7 | May 28 – Jun 11 | Aug 16 |
| Sweet corn | — | May 21 – Jun 11 | Jul 20 |
| Onion (from sets) | — | Apr 20 – May 11 | Jul 19 |
| Garlic | — | Sep 16 – Oct 14 (fall) | following summer |
| Spinach | — | Apr 17 – May 15 | May 25 |
| Basil | Apr 16 – Apr 30 | May 28 – Jun 11 | Jul 24 |
West Branch'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 |
|---|---|
| 1901 | May 15 |
| 1902 | May 28 |
| 1903 | May 5 |
| 1914 | May 15 |
| 1917 | Jun 16 |
| 1918 | Jun 8 |
| 1919 | Jul 12 |
| 1920 | May 16 |
| 1921 | Jun 5 |
| 1922 | Jun 26 |
| 1923 | May 24 |
| 1924 | Jun 7 |
| 1925 | Jun 29 |
| 1926 | Jul 13 |
| 1927 | Jun 16 |
| 1928 | Jun 15 |
| 1929 | Jun 8 |
| 1930 | May 31 |
| 1931 | Jun 1 |
| 1932 | Jun 8 |
| 1933 | Jun 14 |
| 1934 | May 27 |
| 1935 | May 24 |
| 1936 | Jun 3 |
| 1937 | Jun 10 |
| 1938 | Jun 20 |
| 1939 | May 18 |
| 1940 | May 11 |
| 1942 | May 25 |
| 1943 | May 14 |
| 1944 | May 10 |
| 1945 | Jun 4 |
| 1946 | Jun 14 |
| 1947 | Jun 5 |
| 1948 | Jun 6 |
| 1949 | Jun 8 |
| 1950 | Jun 18 |
| 1951 | May 13 |
| 1952 | May 19 |
| 1953 | May 23 |
| 1954 | May 26 |
| 1955 | May 20 |
| 1956 | Jun 2 |
| 1957 | May 28 |
| 1958 | Jun 14 |
| 1959 | May 17 |
| 1960 | May 8 |
| 1961 | May 27 |
| 1963 | May 24 |
| 1964 | Jun 3 |
| 1966 | Jun 1 |
| 1967 | May 22 |
| 1968 | May 7 |
| 1969 | May 26 |
| 1970 | May 7 |
| 1971 | May 14 |
| 1972 | Jun 11 |
| 1973 | May 18 |
| 1974 | May 10 |
| 1975 | Apr 28 |
| 1976 | May 19 |
| 1977 | Jun 3 |
| 1978 | May 7 |
| 1979 | May 22 |
| 1980 | Jun 11 |
| 1981 | May 20 |
| 1982 | Jun 4 |
| 1983 | May 27 |
| 1984 | May 27 |
| 1985 | Jun 3 |
| 1986 | May 4 |
| 1987 | May 13 |
| 1988 | May 14 |
| 1989 | May 28 |
| 1990 | May 12 |
| 1991 | May 8 |
| 1992 | May 27 |
| 1993 | May 17 |
| 1994 | May 27 |
| 1995 | May 8 |
| 1996 | May 30 |
| 1997 | May 20 |
| 1999 | May 9 |
| 2000 | May 20 |
| 2001 | May 13 |
| 2002 | May 25 |
| 2003 | May 22 |
| 2004 | May 29 |
| 2005 | May 17 |
| 2006 | May 23 |
| 2007 | May 18 |
| 2008 | May 28 |
| 2009 | May 31 |
| 2010 | May 11 |
| 2011 | May 1 |
| 2012 | May 17 |
| 2013 | May 25 |
| 2014 | May 17 |
| 2015 | May 23 |
| 2016 | May 19 |
| 2017 | May 10 |
| 2018 | May 1 |
| 2019 | May 11 |
| 2020 | May 14 |
| 2021 | May 13 |
| 2022 | May 8 |
| 2023 | May 26 |
| 2024 | Apr 27 |
| 2025 | May 9 |
| 2026 | May 12 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1901 | 140 |
| 1902 | 132 |
| 1914 | 133 |
| 1917 | 85 |
| 1918 | 104 |
| 1919 | 3 |
| 1921 | 112 |
| 1922 | 82 |
| 1923 | 89 |
| 1924 | 94 |
| 1925 | 88 |
| 1926 | 74 |
| 1927 | 68 |
| 1928 | 45 |
| 1929 | 101 |
| 1930 | 95 |
| 1931 | 115 |
| 1932 | 90 |
| 1933 | 109 |
| 1934 | 85 |
| 1935 | 99 |
| 1936 | 105 |
| 1937 | 94 |
| 1938 | 91 |
| 1939 | 128 |
| 1940 | 136 |
| 1942 | 118 |
| 1943 | 119 |
| 1944 | 136 |
| 1945 | 90 |
| 1946 | 79 |
| 1947 | 109 |
| 1948 | 107 |
| 1949 | 92 |
| 1950 | 90 |
| 1951 | 138 |
| 1952 | 130 |
| 1953 | 113 |
| 1954 | 105 |
| 1955 | 114 |
| 1956 | 98 |
| 1957 | 118 |
| 1958 | 108 |
| 1959 | 121 |
| 1960 | 145 |
| 1961 | 123 |
| 1963 | 157 |
| 1964 | 100 |
| 1966 | 114 |
| 1967 | 123 |
| 1968 | 156 |
| 1969 | 135 |
| 1970 | 144 |
| 1971 | 145 |
| 1972 | 102 |
| 1973 | 125 |
| 1974 | 134 |
| 1975 | 156 |
| 1977 | 124 |
| 1978 | 159 |
| 1979 | 120 |
| 1980 | 107 |
| 1981 | 125 |
| 1982 | 85 |
| 1984 | 112 |
| 1985 | 113 |
| 1986 | 125 |
| 1987 | 140 |
| 1988 | 141 |
| 1989 | 117 |
| 1990 | 127 |
| 1991 | 135 |
| 1992 | 118 |
| 1993 | 130 |
| 1994 | 127 |
| 1995 | 137 |
| 1996 | 125 |
| 1997 | 126 |
| 1999 | 135 |
| 2000 | 127 |
| 2001 | 145 |
| 2002 | 135 |
| 2003 | 131 |
| 2004 | 123 |
| 2005 | 145 |
| 2006 | 128 |
| 2007 | 120 |
| 2008 | 127 |
| 2009 | 122 |
| 2010 | 145 |
| 2011 | 137 |
| 2012 | 129 |
| 2013 | 114 |
| 2014 | 144 |
| 2015 | 146 |
| 2016 | 143 |
| 2017 | 143 |
| 2018 | 167 |
| 2019 | 146 |
| 2020 | 127 |
| 2021 | 161 |
| 2022 | 143 |
| 2023 | 138 |
| 2024 | 164 |
| 2025 | 152 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1900 | 16.3 °C |
| 1901 | 15.5 °C |
| 1902 | 13.8 °C |
| 1915 | 15.0 °C |
| 1917 | 12.9 °C |
| 1918 | 14.3 °C |
| 1919 | 14.3 °C |
| 1921 | 17.0 °C |
| 1922 | 14.9 °C |
| 1923 | 13.7 °C |
| 1924 | 12.8 °C |
| 1925 | 15.1 °C |
| 1926 | 13.6 °C |
| 1928 | 13.3 °C |
| 1929 | 13.2 °C |
| 1930 | 14.6 °C |
| 1931 | 15.5 °C |
| 1932 | 14.1 °C |
| 1933 | 15.3 °C |
| 1934 | 14.4 °C |
| 1935 | 13.5 °C |
| 1936 | 14.1 °C |
| 1937 | 14.1 °C |
| 1939 | 14.7 °C |
| 1940 | 13.5 °C |
| 1942 | 15.0 °C |
| 1943 | 13.7 °C |
| 1944 | 14.9 °C |
| 1945 | 13.3 °C |
| 1946 | 13.7 °C |
| 1947 | 13.8 °C |
| 1948 | 15.0 °C |
| 1949 | 14.9 °C |
| 1950 | 12.8 °C |
| 1951 | 13.9 °C |
| 1952 | 14.8 °C |
| 1953 | 14.4 °C |
| 1954 | 13.9 °C |
| 1955 | 16.8 °C |
| 1956 | 13.3 °C |
| 1957 | 14.1 °C |
| 1958 | 14.3 °C |
| 1959 | 15.6 °C |
| 1960 | 14.8 °C |
| 1961 | 14.8 °C |
| 1963 | 15.1 °C |
| 1964 | 15.6 °C |
| 1965 | 14.3 °C |
| 1966 | 14.7 °C |
| 1967 | 14.4 °C |
| 1968 | 15.4 °C |
| 1969 | 15.0 °C |
| 1970 | 15.7 °C |
| 1971 | 15.5 °C |
| 1972 | 14.3 °C |
| 1973 | 15.8 °C |
| 1974 | 14.9 °C |
| 1975 | 15.4 °C |
| 1977 | 15.3 °C |
| 1978 | 14.5 °C |
| 1979 | 14.3 °C |
| 1980 | 14.9 °C |
| 1981 | 14.8 °C |
| 1982 | 14.4 °C |
| 1983 | 15.1 °C |
| 1984 | 15.0 °C |
| 1985 | 14.8 °C |
| 1987 | 16.4 °C |
| 1988 | 16.0 °C |
| 1989 | 14.8 °C |
| 1990 | 14.7 °C |
| 1991 | 16.0 °C |
| 1992 | 13.1 °C |
| 1993 | 14.3 °C |
| 1994 | 14.6 °C |
| 1995 | 14.9 °C |
| 1996 | 14.3 °C |
| 1997 | 13.9 °C |
| 1999 | 16.4 °C |
| 2000 | 14.7 °C |
| 2001 | 16.0 °C |
| 2002 | 15.6 °C |
| 2003 | 14.7 °C |
| 2004 | 15.1 °C |
| 2005 | 16.0 °C |
| 2006 | 15.7 °C |
| 2007 | 15.5 °C |
| 2008 | 14.9 °C |
| 2009 | 14.1 °C |
| 2010 | 16.4 °C |
| 2011 | 15.5 °C |
| 2012 | 16.1 °C |
| 2013 | 14.9 °C |
| 2014 | 14.5 °C |
| 2015 | 15.4 °C |
| 2016 | 15.8 °C |
| 2017 | 15.6 °C |
| 2018 | 15.5 °C |
| 2019 | 14.8 °C |
| 2020 | 15.4 °C |
| 2021 | 16.1 °C |
| 2022 | 15.5 °C |
| 2023 | 15.3 °C |
| 2024 | 16.4 °C |
| 2025 | 15.6 °C |
| 2026 | 15.8 °C |
What this means for you: Since 1901, West Branch's last spring frost has come about 2 days earlier per decade, on average. The frost-free season has grown by about 5 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from W Branch 3se (NOAA GHCN-Daily). Years with too many missing days are left out.