When to plant in Negaunee, MI
Planting dates worked out from Negaunee's own frost records, not a generic zone chart.
Safe to plant out
Jun 4
1 year in 10 has a later frost
Average last frost
May 24
about a 50% chance of a later one
Average first fall frost
Sep 26
1 year in 10 by Sep 11
Frost-free days
124
median, 1991–2020
Station used: Marquette · 6.0 km away · station 465 m, town 418 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 9 – Apr 23 | Jun 4 – Jun 18 | Jul 29 |
| Sweet pepper | Mar 26 – Apr 9 | Jun 4 – Jun 18 | Aug 3 |
| Lettuce (leaf) | Mar 25 – Apr 1 | Apr 29 – May 13 | Jun 8 |
| Peas | — | Apr 29 – May 27 | Jun 23 |
| Bush beans | — | May 28 – Jun 18 | Jul 17 |
| Carrot | — | May 8 – Jun 19 | Jul 7 |
| Beet | — | May 8 – Jun 19 | Jun 27 |
| Potato | — | May 8 – May 29 | Jul 17 |
| Kale | Mar 25 – Apr 8 | May 6 – May 20 | Jun 18 |
| Broccoli | Mar 18 – Apr 1 | Apr 29 – May 20 | Jun 28 |
| Cucumber | May 7 – May 14 | Jun 4 – Jun 18 | Jul 24 |
| Summer squash and zucchini | May 7 – May 14 | Jun 4 – Jun 18 | Jul 19 |
| Winter squash | May 7 – May 14 | Jun 4 – Jun 18 | Aug 23 |
| Sweet corn | — | May 28 – Jun 18 | Jul 27 |
| Onion (from sets) | — | Apr 29 – May 20 | Jul 28 |
| Garlic | — | Sep 12 – Oct 10 (fall) | following summer |
| Spinach | — | Apr 29 – May 27 | Jun 6 |
| Basil | Apr 23 – May 7 | Jun 4 – Jun 18 | Jul 31 |
Negaunee'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 |
|---|---|
| 1962 | Jun 13 |
| 1963 | May 24 |
| 1964 | Jun 16 |
| 1965 | Jun 15 |
| 1966 | Jun 9 |
| 1967 | May 22 |
| 1968 | May 22 |
| 1969 | Jun 4 |
| 1970 | Jun 20 |
| 1971 | Jun 9 |
| 1972 | Jun 17 |
| 1973 | May 30 |
| 1974 | May 27 |
| 1975 | May 16 |
| 1976 | May 26 |
| 1977 | Jun 9 |
| 1978 | Jun 14 |
| 1979 | May 22 |
| 1980 | Jun 8 |
| 1981 | May 31 |
| 1982 | Jun 3 |
| 1983 | May 28 |
| 1984 | May 27 |
| 1985 | May 21 |
| 1986 | Jun 17 |
| 1987 | Jun 4 |
| 1988 | May 25 |
| 1989 | Jun 5 |
| 1990 | Jun 4 |
| 1991 | May 19 |
| 1992 | Jun 22 |
| 1993 | Jun 4 |
| 1994 | Jun 3 |
| 1995 | May 6 |
| 1996 | May 30 |
| 1997 | May 22 |
| 1998 | Jun 5 |
| 1999 | May 14 |
| 2000 | May 2 |
| 2001 | May 5 |
| 2002 | May 25 |
| 2003 | May 21 |
| 2004 | May 28 |
| 2005 | May 17 |
| 2006 | May 23 |
| 2007 | May 21 |
| 2008 | May 28 |
| 2009 | Jun 6 |
| 2010 | May 10 |
| 2011 | May 27 |
| 2012 | May 31 |
| 2013 | Jun 3 |
| 2014 | May 17 |
| 2015 | Jun 1 |
| 2016 | May 18 |
| 2017 | May 20 |
| 2018 | May 12 |
| 2019 | Jun 3 |
| 2020 | May 16 |
| 2021 | May 29 |
| 2022 | May 23 |
| 2023 | May 25 |
| 2024 | May 10 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1962 | 83 |
| 1963 | 111 |
| 1964 | 87 |
| 1965 | 87 |
| 1966 | 95 |
| 1967 | 109 |
| 1968 | 87 |
| 1969 | 130 |
| 1970 | 99 |
| 1971 | 106 |
| 1972 | 77 |
| 1973 | 109 |
| 1974 | 113 |
| 1975 | 115 |
| 1976 | 95 |
| 1977 | 115 |
| 1978 | 99 |
| 1979 | 123 |
| 1980 | 110 |
| 1981 | 112 |
| 1982 | 95 |
| 1983 | 117 |
| 1984 | 100 |
| 1985 | 114 |
| 1986 | 81 |
| 1987 | 119 |
| 1988 | 129 |
| 1989 | 109 |
| 1990 | 124 |
| 1991 | 122 |
| 1992 | 80 |
| 1993 | 105 |
| 1994 | 120 |
| 1995 | 126 |
| 1996 | 121 |
| 1997 | 144 |
| 1998 | 119 |
| 1999 | 129 |
| 2000 | 145 |
| 2001 | 152 |
| 2002 | 134 |
| 2003 | 130 |
| 2004 | 123 |
| 2005 | 143 |
| 2006 | 109 |
| 2007 | 116 |
| 2008 | 127 |
| 2009 | 115 |
| 2010 | 132 |
| 2011 | 110 |
| 2012 | 110 |
| 2013 | 132 |
| 2014 | 140 |
| 2015 | 119 |
| 2016 | 147 |
| 2017 | 111 |
| 2018 | 139 |
| 2019 | 122 |
| 2020 | 124 |
| 2021 | 141 |
| 2022 | 122 |
| 2023 | 138 |
| 2024 | 151 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1962 | 11.7 °C |
| 1963 | 12.6 °C |
| 1964 | 12.6 °C |
| 1965 | 11.6 °C |
| 1966 | 12.2 °C |
| 1967 | 11.7 °C |
| 1968 | 12.6 °C |
| 1969 | 12.7 °C |
| 1970 | 13.0 °C |
| 1971 | 12.3 °C |
| 1972 | 11.7 °C |
| 1973 | 12.6 °C |
| 1974 | 11.5 °C |
| 1975 | 12.9 °C |
| 1976 | 13.1 °C |
| 1977 | 13.6 °C |
| 1978 | 12.7 °C |
| 1979 | 11.9 °C |
| 1980 | 13.2 °C |
| 1981 | 12.6 °C |
| 1982 | 12.0 °C |
| 1983 | 13.2 °C |
| 1984 | 13.0 °C |
| 1985 | 12.7 °C |
| 1986 | 13.1 °C |
| 1987 | 14.6 °C |
| 1988 | 14.1 °C |
| 1989 | 12.7 °C |
| 1990 | 12.8 °C |
| 1991 | 14.0 °C |
| 1992 | 11.4 °C |
| 1993 | 12.2 °C |
| 1994 | 13.0 °C |
| 1995 | 13.4 °C |
| 1996 | 12.2 °C |
| 1997 | 12.3 °C |
| 1998 | 14.3 °C |
| 1999 | 14.0 °C |
| 2000 | 12.6 °C |
| 2001 | 14.0 °C |
| 2002 | 13.6 °C |
| 2003 | 13.1 °C |
| 2004 | 12.4 °C |
| 2005 | 14.7 °C |
| 2006 | 14.1 °C |
| 2007 | 14.0 °C |
| 2008 | 12.7 °C |
| 2009 | 12.2 °C |
| 2010 | 14.4 °C |
| 2011 | 13.5 °C |
| 2012 | 14.2 °C |
| 2013 | 12.5 °C |
| 2014 | 12.3 °C |
| 2015 | 13.6 °C |
| 2016 | 13.5 °C |
| 2017 | 12.8 °C |
| 2018 | 13.1 °C |
| 2019 | 12.4 °C |
| 2020 | 12.8 °C |
| 2021 | 14.4 °C |
| 2022 | 13.8 °C |
| 2023 | 13.7 °C |
| 2024 | 14.3 °C |
What this means for you: Since 1962, Negaunee's last spring frost has come about 3 days earlier per decade, on average. The frost-free season has grown by about 6 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from Marquette (NOAA GHCN-Daily). Years with too many missing days are left out.