When to plant in Marshfield, WI
Planting dates worked out from Marshfield's own frost records, not a generic zone chart.
Safe to plant out
May 19
1 year in 10 has a later frost
Average last frost
May 9
about a 50% chance of a later one
Average first fall frost
Oct 3
1 year in 10 by Sep 24
Frost-free days
148
median, 1991–2020
Station used: Marshfield Muni Ap · 3.7 km away · station 382 m, town 392 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 24 – Apr 7 | May 19 – Jun 2 | Jul 13 |
| Sweet pepper | Mar 10 – Mar 24 | May 19 – Jun 2 | Jul 18 |
| Lettuce (leaf) | Mar 8 – Mar 15 | Apr 12 – Apr 26 | May 22 |
| Peas | — | Apr 12 – May 10 | Jun 6 |
| Bush beans | — | May 12 – Jun 2 | Jul 1 |
| Carrot | — | Apr 21 – Jun 2 | Jun 20 |
| Beet | — | Apr 21 – Jun 2 | Jun 10 |
| Potato | — | Apr 21 – May 12 | Jun 30 |
| Kale | Mar 8 – Mar 22 | Apr 19 – May 3 | Jun 1 |
| Broccoli | Mar 1 – Mar 15 | Apr 12 – May 3 | Jun 11 |
| Cucumber | Apr 21 – Apr 28 | May 19 – Jun 2 | Jul 8 |
| Summer squash and zucchini | Apr 21 – Apr 28 | May 19 – Jun 2 | Jul 3 |
| Winter squash | Apr 21 – Apr 28 | May 19 – Jun 2 | Aug 7 |
| Sweet corn | — | May 12 – Jun 2 | Jul 11 |
| Onion (from sets) | — | Apr 12 – May 3 | Jul 11 |
| Garlic | — | Sep 19 – Oct 17 (fall) | following summer |
| Spinach | — | Apr 12 – May 10 | May 20 |
| Basil | Apr 7 – Apr 21 | May 19 – Jun 2 | Jul 15 |
Marshfield'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 |
|---|---|
| 1997 | May 16 |
| 1998 | Apr 28 |
| 1999 | Apr 24 |
| 2000 | May 19 |
| 2001 | Apr 24 |
| 2002 | May 21 |
| 2003 | May 3 |
| 2004 | May 15 |
| 2005 | May 12 |
| 2006 | May 6 |
| 2007 | May 17 |
| 2008 | May 19 |
| 2010 | May 9 |
| 2011 | May 4 |
| 2012 | Apr 27 |
| 2013 | May 13 |
| 2014 | May 16 |
| 2015 | May 20 |
| 2016 | May 15 |
| 2017 | May 8 |
| 2018 | Apr 29 |
| 2019 | Apr 28 |
| 2020 | May 13 |
| 2021 | May 12 |
| 2022 | May 4 |
| 2023 | May 3 |
| 2024 | Apr 25 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1997 | 137 |
| 1998 | 155 |
| 1999 | 149 |
| 2000 | 128 |
| 2001 | 153 |
| 2002 | 138 |
| 2003 | 148 |
| 2004 | 139 |
| 2005 | 147 |
| 2006 | 157 |
| 2007 | 119 |
| 2008 | 136 |
| 2010 | 146 |
| 2011 | 149 |
| 2012 | 148 |
| 2013 | 156 |
| 2014 | 141 |
| 2015 | 146 |
| 2016 | 162 |
| 2017 | 160 |
| 2018 | 152 |
| 2019 | 166 |
| 2020 | 142 |
| 2021 | 162 |
| 2022 | 146 |
| 2023 | 165 |
| 2024 | 172 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1997 | 14.6 °C |
| 1998 | 16.7 °C |
| 1999 | 15.5 °C |
| 2000 | 15.0 °C |
| 2001 | 15.6 °C |
| 2002 | 15.6 °C |
| 2003 | 15.3 °C |
| 2004 | 14.7 °C |
| 2005 | 17.0 °C |
| 2006 | 16.5 °C |
| 2007 | 16.2 °C |
| 2008 | 15.1 °C |
| 2009 | 15.1 °C |
| 2010 | 16.9 °C |
| 2011 | 15.7 °C |
| 2012 | 17.1 °C |
| 2013 | 15.4 °C |
| 2014 | 15.5 °C |
| 2015 | 16.8 °C |
| 2016 | 16.9 °C |
| 2017 | 15.9 °C |
| 2018 | 16.1 °C |
| 2019 | 15.6 °C |
| 2020 | 15.6 °C |
| 2021 | 16.6 °C |
| 2022 | 15.6 °C |
| 2023 | 16.6 °C |
| 2024 | 16.6 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Marshfield Muni Ap (NOAA GHCN-Daily). Years with too many missing days are left out.