Benoit, WI frost dates
Last spring frostMay 23median date
First fall frostSep 29median date
Growing season129 daysfrost-free
Hardiness zone4bZone 4b
How Benoit compares
- In 8 years out of 10, the last spring frost in Benoit falls between May 8 and June 6, a 29-day window. The first fall frost falls between September 14 and October 11.
- The median last frost is 18 days later than the Wisconsin median of May 5.
- Its 129-day growing season is longer than 8% of the 749 Wisconsin places with a regular frost season (state median 155 days).
- The last frost is 15 days later than the zone 4b median of May 8. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 4b chart.
- The weather station records an average of 185 nights a year at or below 32°F.
- Compared with Duluth, MN, 86 km away, the last frost here is 9 days later than there and the growing season is 22 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 8 |
| 50% (median) | May 23 |
| 10% (safe for tender plants) | June 6 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 14 |
| 50% (median) | September 29 |
| 90% (late) | October 11 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Benoit, WI
Benoit, WI frost dates — last frost May 23, first frost Sep 29, zone 4b. whenisthelastfrost.com
Crop
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Start indoors: Feb 28 to Mar 14Transplant outside: Apr 25 to May 9
Start indoors: Mar 14 to Mar 28Transplant outside: Jun 6 to Jun 20
Start indoors: Mar 14 to Mar 28Transplant outside: Jun 6 to Jun 20
Start indoors: Mar 28 to Apr 11Transplant outside: May 30 to Jun 13
Start indoors: Mar 28 to Apr 11Transplant outside: May 2 to May 16Sow outdoors: Apr 25 to May 30Plant for fall: Aug 4 to Sep 1
Start indoors: Mar 28 to Apr 11Transplant outside: Apr 25 to May 9Sow outdoors: Apr 25 to May 9Plant for fall: Jul 21 to Aug 11
Start indoors: Mar 28 to Apr 11Transplant outside: May 9 to May 23Plant for fall: Jun 23 to Jul 14
Start indoors: Mar 28 to Apr 11Transplant outside: May 2 to May 16Plant for fall: Jun 23 to Jul 14
Start indoors: Mar 28 to Apr 11Transplant outside: May 9 to May 23Plant for fall: Jun 23 to Jul 14
Start indoors: Apr 11 to Apr 25Transplant outside: Jun 13 to Jun 27Sow outdoors: Jun 13 to Jun 27
Start indoors: Apr 11 to Apr 25Transplant outside: May 30 to Jun 13
Sow outdoors: Apr 11 to May 2Plant for fall: Jul 7 to Jul 28
Sow outdoors: Apr 11 to May 2Plant for fall: Aug 4 to Aug 25
Sow outdoors: Apr 18 to May 30Plant for fall: Aug 18 to Sep 8
Start indoors: Apr 25 to May 2Transplant outside: Jun 6 to Jun 13Sow outdoors: May 30 to Jun 13Plant for fall: Jul 14 to Jul 28
Start indoors: Apr 25 to May 2Sow outdoors: May 30 to Jun 13Plant for fall: Jul 21 to Aug 4
Start indoors: Apr 25 to May 2Sow outdoors: May 30 to Jun 13
Start indoors: Apr 25 to May 2Transplant outside: Jun 6 to Jun 20
Sow outdoors: May 2 to May 30Plant for fall: Jul 7 to Jul 21
Sow outdoors: May 2 to May 30Plant for fall: Jul 21 to Aug 4
Sow outdoors: May 2 to May 23
Sow outdoors: May 9 to Jun 6Plant for fall: Jul 21 to Aug 4
Sow outdoors: May 9 to May 30Plant for fall: Aug 4 to Aug 25
Sow outdoors: May 30 to Jun 20Plant for fall: Jul 14 to Jul 28
Sow outdoors: May 30 to Jun 13
Transplant outside: Jun 6 to Jun 27
Plant for fall: Sep 15 to Oct 20
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Benoit, WI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 28 – Mar 14 | Apr 25 – May 9 | — | — |
| Peppers | Mar 14 – Mar 28 | Jun 6 – Jun 20 | — | — |
| Eggplant | Mar 14 – Mar 28 | Jun 6 – Jun 20 | — | — |
| Tomatoes | Mar 28 – Apr 11 | May 30 – Jun 13 | — | — |
| Lettuce | Mar 28 – Apr 11 | May 2 – May 16 | Apr 25 – May 30 | Aug 4 – Sep 1 |
| Kale | Mar 28 – Apr 11 | Apr 25 – May 9 | Apr 25 – May 9 | Jul 21 – Aug 11 |
| Broccoli | Mar 28 – Apr 11 | May 9 – May 23 | — | Jun 23 – Jul 14 |
| Cabbage | Mar 28 – Apr 11 | May 2 – May 16 | — | Jun 23 – Jul 14 |
| Cauliflower | Mar 28 – Apr 11 | May 9 – May 23 | — | Jun 23 – Jul 14 |
| Okra | Apr 11 – Apr 25 | Jun 13 – Jun 27 | Jun 13 – Jun 27 | — |
| Basil | Apr 11 – Apr 25 | May 30 – Jun 13 | — | — |
| Peas | — | — | Apr 11 – May 2 | Jul 7 – Jul 28 |
| Spinach | — | — | Apr 11 – May 2 | Aug 4 – Aug 25 |
| Radishes | — | — | Apr 18 – May 30 | Aug 18 – Sep 8 |
| Cucumbers | Apr 25 – May 2 | Jun 6 – Jun 13 | May 30 – Jun 13 | Jul 14 – Jul 28 |
| Zucchini & Summer Squash | Apr 25 – May 2 | — | May 30 – Jun 13 | Jul 21 – Aug 4 |
| Winter Squash & Pumpkins | Apr 25 – May 2 | — | May 30 – Jun 13 | — |
| Melons & Watermelon | Apr 25 – May 2 | Jun 6 – Jun 20 | — | — |
| Carrots | — | — | May 2 – May 30 | Jul 7 – Jul 21 |
| Beets | — | — | May 2 – May 30 | Jul 21 – Aug 4 |
| Potatoes | — | — | May 2 – May 23 | — |
| Swiss Chard | — | — | May 9 – Jun 6 | Jul 21 – Aug 4 |
| Cilantro | — | — | May 9 – May 30 | Aug 4 – Aug 25 |
| Green Beans | — | — | May 30 – Jun 20 | Jul 14 – Jul 28 |
| Sweet Corn | — | — | May 30 – Jun 13 | — |
| Sweet Potatoes | — | Jun 6 – Jun 27 | — | — |
| Garlic | — | — | — | Sep 15 – Oct 20 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Ashland Kennedy Mem Ap, WI weather station, 13 km away (elevation 827 ft (252 m)).
Frost dates near Benoit
- Mason May 20 · Oct 1
- Grand View May 20 · Oct 1
- Marengo May 26 · Sep 27
- Washburn May 23 · Oct 2
- Drummond May 20 · Oct 1
- Ashland May 20 · Oct 2
- Iron River May 24 · Sep 26
- High Bridge May 26 · Sep 27
- Cable May 20 · Oct 1
- Odanah May 23 · Oct 1
Frequently asked questions
When is the last frost in Benoit, WI?
The median last spring frost in Benoit, WI is May 23. There is still about a 10% chance of frost after June 6, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Benoit, WI?
The median first fall frost is September 29, with about a 10% chance of frost before September 14.
How long is the growing season in Benoit, WI?
About 129 days between the median last spring frost and first fall frost.
What planting zone is Benoit, WI?
Benoit, WI is in USDA hardiness zone 4b.