When to plant in Maplewood, MN
Planting dates worked out from Maplewood's own frost records, not a generic zone chart.
Safe to plant out
May 4
1 year in 10 has a later frost
Average last frost
Apr 23
about a 50% chance of a later one
Average first fall frost
Oct 14
1 year in 10 by Oct 2
Frost-free days
172
median, 1991–2020
Station used: St Paul Dwtn Ap · 5.3 km away · station 213 m, town 298 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 9 – Mar 23 | May 4 – May 18 | Jun 28 |
| Sweet pepper | Feb 23 – Mar 9 | May 4 – May 18 | Jul 3 |
| Lettuce (leaf) | Feb 28 – Mar 7 | Apr 4 – Apr 18 | May 14 |
| Peas | — | Apr 4 – May 2 | May 29 |
| Bush beans | — | Apr 27 – May 18 | Jun 16 |
| Carrot | — | Apr 12 – May 24 | Jun 11 |
| Beet | — | Apr 12 – May 24 | Jun 1 |
| Potato | — | Apr 12 – May 3 | Jun 21 |
| Kale | Feb 28 – Mar 14 | Apr 11 – Apr 25 | May 24 |
| Broccoli | Feb 21 – Mar 7 | Apr 4 – Apr 25 | Jun 3 |
| Cucumber | Apr 6 – Apr 13 | May 4 – May 18 | Jun 23 |
| Summer squash and zucchini | Apr 6 – Apr 13 | May 4 – May 18 | Jun 18 |
| Winter squash | Apr 6 – Apr 13 | May 4 – May 18 | Jul 23 |
| Sweet corn | — | Apr 27 – May 18 | Jun 26 |
| Onion (from sets) | — | Apr 4 – Apr 25 | Jul 3 |
| Garlic | — | Sep 30 – Oct 28 (fall) | following summer |
| Spinach | — | Apr 4 – May 2 | May 12 |
| Basil | Mar 23 – Apr 6 | May 4 – May 18 | Jun 30 |
Maplewood'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 |
|---|---|
| 1937 | Apr 12 |
| 1938 | May 11 |
| 1939 | Apr 19 |
| 1940 | May 1 |
| 1941 | Apr 24 |
| 1942 | Apr 11 |
| 1943 | Apr 20 |
| 1944 | May 6 |
| 1945 | May 10 |
| 1946 | May 12 |
| 1947 | Apr 20 |
| 1948 | Apr 12 |
| 1949 | Apr 24 |
| 1950 | May 1 |
| 1951 | Apr 23 |
| 1952 | Apr 15 |
| 1998 | Apr 17 |
| 1999 | Apr 12 |
| 2000 | Apr 21 |
| 2002 | May 3 |
| 2003 | Apr 9 |
| 2004 | Apr 27 |
| 2005 | May 4 |
| 2006 | Apr 8 |
| 2007 | Apr 15 |
| 2008 | Apr 29 |
| 2009 | Apr 10 |
| 2010 | May 9 |
| 2011 | May 3 |
| 2012 | Apr 17 |
| 2013 | May 3 |
| 2014 | Apr 25 |
| 2015 | Apr 23 |
| 2016 | Apr 12 |
| 2017 | May 1 |
| 2018 | Apr 20 |
| 2019 | Apr 19 |
| 2020 | May 12 |
| 2021 | Apr 25 |
| 2022 | Apr 27 |
| 2023 | Apr 26 |
| 2024 | Apr 21 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1937 | 178 |
| 1938 | 164 |
| 1939 | 159 |
| 1940 | 187 |
| 1941 | 185 |
| 1942 | 165 |
| 1943 | 177 |
| 1944 | 156 |
| 1945 | 140 |
| 1946 | 152 |
| 1947 | 158 |
| 1948 | 180 |
| 1949 | 181 |
| 1950 | 155 |
| 1951 | 167 |
| 1952 | 171 |
| 1998 | 185 |
| 1999 | 172 |
| 2000 | 155 |
| 2002 | 156 |
| 2003 | 174 |
| 2004 | 157 |
| 2005 | 155 |
| 2006 | 185 |
| 2007 | 195 |
| 2008 | 180 |
| 2009 | 181 |
| 2010 | 171 |
| 2011 | 170 |
| 2012 | 172 |
| 2013 | 169 |
| 2014 | 167 |
| 2015 | 175 |
| 2016 | 212 |
| 2017 | 178 |
| 2018 | 173 |
| 2019 | 175 |
| 2020 | 158 |
| 2021 | 180 |
| 2022 | 169 |
| 2023 | 184 |
| 2024 | 177 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1937 | 18.6 °C |
| 1938 | 17.9 °C |
| 1939 | 18.6 °C |
| 1940 | 17.2 °C |
| 1941 | 19.2 °C |
| 1942 | 17.2 °C |
| 1943 | 17.2 °C |
| 1944 | 17.5 °C |
| 1945 | 15.5 °C |
| 1946 | 17.1 °C |
| 1947 | 17.1 °C |
| 1948 | 18.7 °C |
| 1949 | 18.5 °C |
| 1950 | 15.8 °C |
| 1951 | 16.1 °C |
| 1952 | 18.1 °C |
| 1998 | 18.5 °C |
| 1999 | 17.7 °C |
| 2000 | 18.1 °C |
| 2002 | 17.3 °C |
| 2003 | 17.6 °C |
| 2004 | 17.2 °C |
| 2005 | 18.5 °C |
| 2006 | 18.4 °C |
| 2007 | 18.9 °C |
| 2008 | 18.1 °C |
| 2009 | 17.4 °C |
| 2010 | 18.9 °C |
| 2011 | 17.8 °C |
| 2012 | 19.2 °C |
| 2013 | 17.3 °C |
| 2014 | 16.9 °C |
| 2015 | 17.9 °C |
| 2016 | 18.2 °C |
| 2017 | 17.7 °C |
| 2018 | 17.8 °C |
| 2019 | 17.2 °C |
| 2020 | 18.1 °C |
| 2021 | 19.2 °C |
| 2022 | 18.2 °C |
| 2023 | 19.2 °C |
| 2024 | 18.8 °C |
What this means for you: Since 1937, Maplewood's last spring frost has stayed at about the same time of year. The frost-free season has grown by about 1 days per decade. Year-to-year swings are large, so keep using the safe date rather than the trend.
Source: daily records from St Paul Dwtn Ap (NOAA GHCN-Daily). Years with too many missing days are left out.