When to plant in New Hope, MN
Planting dates worked out from New Hope's own frost records, not a generic zone chart.
Safe to plant out
May 15
1 year in 10 has a later frost
Average last frost
May 1
about a 50% chance of a later one
Average first fall frost
Oct 7
1 year in 10 by Sep 24
Frost-free days
162
median, 1991–2020
Station used: New Hope · 3.2 km away · station 277 m, town 284 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 20 – Apr 3 | May 15 – May 29 | Jul 9 |
| Sweet pepper | Mar 6 – Mar 20 | May 15 – May 29 | Jul 14 |
| Lettuce (leaf) | Mar 4 – Mar 11 | Apr 8 – Apr 22 | May 18 |
| Peas | — | Apr 8 – May 6 | Jun 2 |
| Bush beans | — | May 8 – May 29 | Jun 27 |
| Carrot | — | Apr 18 – May 30 | Jun 17 |
| Beet | — | Apr 18 – May 30 | Jun 7 |
| Potato | — | Apr 18 – May 9 | Jun 27 |
| Kale | Mar 4 – Mar 18 | Apr 15 – Apr 29 | May 28 |
| Broccoli | Feb 25 – Mar 11 | Apr 8 – Apr 29 | Jun 7 |
| Cucumber | Apr 17 – Apr 24 | May 15 – May 29 | Jul 4 |
| Summer squash and zucchini | Apr 17 – Apr 24 | May 15 – May 29 | Jun 29 |
| Winter squash | Apr 17 – Apr 24 | May 15 – May 29 | Aug 3 |
| Sweet corn | — | May 8 – May 29 | Jul 7 |
| Onion (from sets) | — | Apr 8 – Apr 29 | Jul 7 |
| Garlic | — | Sep 23 – Oct 21 (fall) | following summer |
| Spinach | — | Apr 8 – May 6 | May 16 |
| Basil | Apr 3 – Apr 17 | May 15 – May 29 | Jul 11 |
New Hope'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 |
|---|---|
| 1969 | May 12 |
| 1970 | May 2 |
| 1971 | May 12 |
| 1972 | Apr 25 |
| 1973 | May 17 |
| 1974 | May 6 |
| 1975 | May 1 |
| 1976 | May 7 |
| 1977 | Apr 25 |
| 1978 | May 2 |
| 1979 | May 21 |
| 1980 | May 15 |
| 1981 | May 11 |
| 1982 | Apr 29 |
| 1983 | May 15 |
| 1984 | May 2 |
| 1985 | Apr 9 |
| 1986 | Apr 22 |
| 1987 | Apr 5 |
| 1988 | Apr 28 |
| 1989 | May 7 |
| 1990 | May 2 |
| 1992 | May 5 |
| 1993 | Apr 21 |
| 1994 | Apr 30 |
| 1996 | May 12 |
| 1997 | May 13 |
| 1998 | Apr 17 |
| 2000 | May 19 |
| 2001 | Apr 18 |
| 2002 | May 20 |
| 2004 | May 15 |
| 2005 | May 4 |
| 2006 | Apr 9 |
| 2007 | Apr 15 |
| 2008 | Apr 29 |
| 2009 | Apr 28 |
| 2010 | May 9 |
| 2011 | May 4 |
| 2012 | Apr 20 |
| 2013 | May 12 |
| 2014 | Apr 18 |
| 2015 | Apr 23 |
| 2016 | May 15 |
| 2017 | Apr 27 |
| 2018 | Apr 28 |
| 2019 | May 3 |
| 2020 | May 12 |
| 2021 | May 11 |
| 2022 | Apr 27 |
| 2023 | Apr 26 |
| 2024 | Apr 24 |
| 2025 | Apr 8 |
| 2026 | May 7 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1969 | 152 |
| 1970 | 154 |
| 1971 | 152 |
| 1972 | 157 |
| 1973 | 125 |
| 1974 | 137 |
| 1975 | 153 |
| 1976 | 150 |
| 1977 | 159 |
| 1978 | 158 |
| 1979 | 138 |
| 1980 | 148 |
| 1981 | 139 |
| 1982 | 173 |
| 1983 | 130 |
| 1984 | 146 |
| 1985 | 175 |
| 1986 | 169 |
| 1987 | 180 |
| 1988 | 158 |
| 1989 | 147 |
| 1992 | 146 |
| 1994 | 162 |
| 1996 | 143 |
| 1997 | 152 |
| 1998 | 178 |
| 2000 | 127 |
| 2001 | 170 |
| 2002 | 139 |
| 2004 | 141 |
| 2005 | 155 |
| 2006 | 183 |
| 2007 | 152 |
| 2008 | 169 |
| 2009 | 163 |
| 2010 | 165 |
| 2011 | 169 |
| 2012 | 168 |
| 2013 | 159 |
| 2014 | 173 |
| 2015 | 175 |
| 2016 | 161 |
| 2017 | 165 |
| 2018 | 165 |
| 2019 | 161 |
| 2020 | 144 |
| 2021 | 163 |
| 2022 | 163 |
| 2023 | 183 |
| 2024 | 173 |
| 2025 | 182 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1969 | 16.8 °C |
| 1970 | 17.0 °C |
| 1971 | 16.3 °C |
| 1972 | 16.0 °C |
| 1973 | 16.7 °C |
| 1974 | 15.8 °C |
| 1975 | 16.4 °C |
| 1976 | 17.5 °C |
| 1977 | 18.1 °C |
| 1978 | 17.0 °C |
| 1979 | 15.7 °C |
| 1980 | 17.2 °C |
| 1981 | 16.6 °C |
| 1982 | 16.3 °C |
| 1983 | 17.0 °C |
| 1984 | 17.0 °C |
| 1985 | 16.9 °C |
| 1986 | 17.2 °C |
| 1987 | 18.9 °C |
| 1988 | 19.2 °C |
| 1989 | 17.1 °C |
| 1992 | 15.5 °C |
| 1993 | 15.5 °C |
| 1994 | 17.1 °C |
| 1996 | 16.2 °C |
| 1997 | 16.4 °C |
| 1998 | 18.4 °C |
| 2000 | 17.1 °C |
| 2001 | 17.6 °C |
| 2002 | 17.2 °C |
| 2004 | 16.4 °C |
| 2005 | 18.1 °C |
| 2006 | 18.1 °C |
| 2007 | 18.1 °C |
| 2008 | 16.7 °C |
| 2009 | 16.6 °C |
| 2010 | 18.2 °C |
| 2011 | 17.2 °C |
| 2012 | 18.6 °C |
| 2013 | 16.8 °C |
| 2014 | 16.6 °C |
| 2015 | 17.7 °C |
| 2016 | 17.9 °C |
| 2017 | 17.3 °C |
| 2018 | 17.5 °C |
| 2019 | 16.8 °C |
| 2020 | 17.5 °C |
| 2021 | 18.6 °C |
| 2022 | 17.6 °C |
| 2023 | 18.6 °C |
| 2024 | 18.2 °C |
| 2025 | 18.1 °C |
| 2026 | 18.6 °C |
What this means for you: Since 1969, New Hope's last spring frost has come about 1 day earlier per decade, on average. The frost-free season has grown by about 4 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from New Hope (NOAA GHCN-Daily). Years with too many missing days are left out.