Haugen, WI frost dates
How Haugen compares
- In 8 years out of 10, the last spring frost in Haugen falls between April 22 and May 18, a 26-day window. The first fall frost falls between September 23 and October 19.
- The median last frost is the same as the Wisconsin median of May 5.
- Its 152-day growing season is longer than 42% of the 749 Wisconsin places with a regular frost season (state median 155 days).
- The last frost is 7 days earlier than the zone 4a median of May 12. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 4a chart.
- The weather station records an average of 169 nights a year at or below 32°F.
- Compared with Eau Claire, WI, 91 km away, the last frost here is 11 days later than there and the growing season is 21 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 22 |
| 50% (median) | May 5 |
| 10% (safe for tender plants) | May 18 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 23 |
| 50% (median) | October 4 |
| 90% (late) | October 19 |
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 Haugen, WI
Haugen, WI frost dates — last frost May 5, first frost Oct 4, zone 4a. whenisthelastfrost.com
When to plant vegetables in Haugen, WI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 10 – Feb 24 | Apr 7 – Apr 21 | — | — |
| Peppers | Feb 24 – Mar 10 | May 19 – Jun 2 | — | — |
| Eggplant | Feb 24 – Mar 10 | May 19 – Jun 2 | — | — |
| Tomatoes | Mar 10 – Mar 24 | May 12 – May 26 | — | — |
| Lettuce | Mar 10 – Mar 24 | Apr 14 – Apr 28 | Apr 7 – May 12 | Aug 9 – Sep 6 |
| Kale | Mar 10 – Mar 24 | Apr 7 – Apr 21 | Apr 7 – Apr 21 | Jul 26 – Aug 16 |
| Broccoli | Mar 10 – Mar 24 | Apr 21 – May 5 | — | Jun 28 – Jul 19 |
| Cabbage | Mar 10 – Mar 24 | Apr 14 – Apr 28 | — | Jun 28 – Jul 19 |
| Cauliflower | Mar 10 – Mar 24 | Apr 21 – May 5 | — | Jun 28 – Jul 19 |
| Okra | Mar 24 – Apr 7 | May 26 – Jun 9 | May 26 – Jun 9 | — |
| Basil | Mar 24 – Apr 7 | May 12 – May 26 | — | — |
| Peas | — | — | Mar 24 – Apr 14 | Jul 12 – Aug 2 |
| Spinach | — | — | Mar 24 – Apr 14 | Aug 9 – Aug 30 |
| Radishes | — | — | Mar 31 – May 12 | Aug 23 – Sep 13 |
| Cucumbers | Apr 7 – Apr 14 | May 19 – May 26 | May 12 – May 26 | Jul 19 – Aug 2 |
| Zucchini & Summer Squash | Apr 7 – Apr 14 | — | May 12 – May 26 | Jul 26 – Aug 9 |
| Winter Squash & Pumpkins | Apr 7 – Apr 14 | — | May 12 – May 26 | — |
| Melons & Watermelon | Apr 7 – Apr 14 | May 19 – Jun 2 | — | — |
| Carrots | — | — | Apr 14 – May 12 | Jul 12 – Jul 26 |
| Beets | — | — | Apr 14 – May 12 | Jul 26 – Aug 9 |
| Potatoes | — | — | Apr 14 – May 5 | — |
| Swiss Chard | — | — | Apr 21 – May 19 | Jul 26 – Aug 9 |
| Cilantro | — | — | Apr 21 – May 12 | Aug 9 – Aug 30 |
| Green Beans | — | — | May 12 – Jun 2 | Jul 19 – Aug 2 |
| Sweet Corn | — | — | May 12 – May 26 | — |
| Sweet Potatoes | — | May 19 – Jun 9 | — | — |
| Garlic | — | — | — | Sep 20 – Oct 25 |
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 Cumberland, WI weather station, 21 km away (elevation 1,240 ft (378 m)).
Frost dates near Haugen
- Brill May 8 · Oct 2
- Sarona May 14 · Sep 28
- Rice Lake May 8 · Oct 2
- Mikana May 9 · Sep 29
- Birchwood frost any month
- Barronett May 5 · Oct 4
- Cumberland May 5 · Oct 4
- Shell Lake May 14 · Sep 28
- Cameron May 8 · Oct 2
- Barron May 8 · Oct 2
Frequently asked questions
When is the last frost in Haugen, WI?
The median last spring frost in Haugen, WI is May 5. There is still about a 10% chance of frost after May 18, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Haugen, WI?
The median first fall frost is October 4, with about a 10% chance of frost before September 23.
How long is the growing season in Haugen, WI?
About 152 days between the median last spring frost and first fall frost.
What planting zone is Haugen, WI?
Haugen, WI is in USDA hardiness zone 4a.