When to plant in Hilbert, WI
Planting dates worked out from Hilbert's own frost records, not a generic zone chart.
Safe to plant out
May 21
1 year in 10 has a later frost
Average last frost
May 7
about a 50% chance of a later one
Average first fall frost
Oct 5
1 year in 10 by Sep 27
Frost-free days
147
median, 1991–2020
Station used: Brillion · 7.1 km away · station 247 m, town 255 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 26 – Apr 9 | May 21 – Jun 4 | Jul 15 |
| Sweet pepper | Mar 12 – Mar 26 | May 21 – Jun 4 | Jul 20 |
| Lettuce (leaf) | Mar 9 – Mar 16 | Apr 13 – Apr 27 | May 23 |
| Peas | — | Apr 13 – May 11 | Jun 7 |
| Bush beans | — | May 14 – Jun 4 | Jul 3 |
| Carrot | — | Apr 22 – Jun 3 | Jun 21 |
| Beet | — | Apr 22 – Jun 3 | Jun 11 |
| Potato | — | Apr 22 – May 13 | Jul 1 |
| Kale | Mar 9 – Mar 23 | Apr 20 – May 4 | Jun 2 |
| Broccoli | Mar 2 – Mar 16 | Apr 13 – May 4 | Jun 12 |
| Cucumber | Apr 23 – Apr 30 | May 21 – Jun 4 | Jul 10 |
| Summer squash and zucchini | Apr 23 – Apr 30 | May 21 – Jun 4 | Jul 5 |
| Winter squash | Apr 23 – Apr 30 | May 21 – Jun 4 | Aug 9 |
| Sweet corn | — | May 14 – Jun 4 | Jul 13 |
| Onion (from sets) | — | Apr 13 – May 4 | Jul 12 |
| Garlic | — | Sep 21 – Oct 19 (fall) | following summer |
| Spinach | — | Apr 13 – May 11 | May 21 |
| Basil | Apr 9 – Apr 23 | May 21 – Jun 4 | Jul 17 |
Hilbert'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 |
|---|---|
| 1998 | Apr 28 |
| 1999 | Apr 25 |
| 2000 | May 14 |
| 2001 | Apr 18 |
| 2002 | May 20 |
| 2003 | May 3 |
| 2004 | May 4 |
| 2005 | May 5 |
| 2006 | May 6 |
| 2007 | Apr 17 |
| 2008 | May 28 |
| 2009 | Apr 23 |
| 2010 | May 9 |
| 2011 | May 27 |
| 2012 | Apr 30 |
| 2013 | May 14 |
| 2014 | May 16 |
| 2015 | May 21 |
| 2016 | May 18 |
| 2017 | May 9 |
| 2018 | Apr 29 |
| 2019 | Apr 29 |
| 2020 | May 13 |
| 2021 | May 12 |
| 2022 | May 5 |
| 2023 | May 15 |
| 2024 | Apr 25 |
| 2025 | May 9 |
Each year's frost-free daysLong-term trend
See the data as a table
| Year | Frost-free days |
|---|---|
| 1998 | 155 |
| 1999 | 147 |
| 2000 | 144 |
| 2001 | 169 |
| 2002 | 141 |
| 2003 | 147 |
| 2004 | 147 |
| 2005 | 156 |
| 2006 | 152 |
| 2007 | 150 |
| 2008 | 127 |
| 2009 | 160 |
| 2010 | 146 |
| 2011 | 126 |
| 2012 | 149 |
| 2013 | 153 |
| 2014 | 146 |
| 2015 | 146 |
| 2016 | 147 |
| 2017 | 171 |
| 2018 | 152 |
| 2019 | 167 |
| 2020 | 141 |
| 2021 | 162 |
| 2022 | 146 |
| 2023 | 145 |
| 2024 | 166 |
| 2025 | 167 |
Each year's average temperature, April to SeptemberLong-term trend
See the data as a table
| Year | Growing-season temperature |
|---|---|
| 1998 | 16.7 °C |
| 1999 | 16.1 °C |
| 2000 | 15.5 °C |
| 2001 | 16.5 °C |
| 2002 | 16.3 °C |
| 2003 | 15.3 °C |
| 2004 | 15.0 °C |
| 2005 | 16.7 °C |
| 2006 | 16.1 °C |
| 2007 | 16.1 °C |
| 2008 | 15.4 °C |
| 2009 | 14.9 °C |
| 2010 | 17.0 °C |
| 2011 | 15.0 °C |
| 2012 | 16.9 °C |
| 2013 | 15.3 °C |
| 2014 | 15.3 °C |
| 2015 | 16.1 °C |
| 2016 | 16.5 °C |
| 2017 | 16.6 °C |
| 2018 | 16.2 °C |
| 2019 | 16.4 °C |
| 2020 | 16.0 °C |
| 2021 | 16.7 °C |
| 2022 | 15.7 °C |
| 2023 | 16.3 °C |
| 2024 | 16.8 °C |
| 2025 | 16.1 °C |
What this means for you: This station's record is too short to show a reliable trend yet.
Source: daily records from Brillion (NOAA GHCN-Daily). Years with too many missing days are left out.