Frost dates for 54472 — Marshfield, WI
How Marshfield compares
- In 8 years out of 10, the last spring frost in Marshfield falls between April 22 and May 20, a 28-day window. The first fall frost falls between September 21 and October 18.
- The median last frost is the same as the Wisconsin median of May 5.
- Its 153-day growing season is longer than 45% of the 749 Wisconsin places with a regular frost season (state median 155 days).
- The last frost is typical for zone 4b, where the median is May 8.
- The weather station records an average of 162 nights a year at or below 32°F.
- Compared with Eau Claire, WI, 106 km away, the last frost here is 11 days later than there and the growing season is 20 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 22 |
| 50% (median) | May 5 |
| 10% (safe for tender plants) | May 20 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 21 |
| 50% (median) | October 5 |
| 90% (late) | October 18 |
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 Marshfield, WI
Frost dates for 54472 — Marshfield, WI — last frost May 5, first frost Oct 5, zone 4b. whenisthelastfrost.com
When to plant vegetables in Marshfield, 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 10 – Sep 7 |
| Kale | Mar 10 – Mar 24 | Apr 7 – Apr 21 | Apr 7 – Apr 21 | Jul 27 – Aug 17 |
| Broccoli | Mar 10 – Mar 24 | Apr 21 – May 5 | — | Jun 29 – Jul 20 |
| Cabbage | Mar 10 – Mar 24 | Apr 14 – Apr 28 | — | Jun 29 – Jul 20 |
| Cauliflower | Mar 10 – Mar 24 | Apr 21 – May 5 | — | Jun 29 – Jul 20 |
| 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 13 – Aug 3 |
| Spinach | — | — | Mar 24 – Apr 14 | Aug 10 – Aug 31 |
| Radishes | — | — | Mar 31 – May 12 | Aug 24 – Sep 14 |
| Cucumbers | Apr 7 – Apr 14 | May 19 – May 26 | May 12 – May 26 | Jul 20 – Aug 3 |
| Zucchini & Summer Squash | Apr 7 – Apr 14 | — | May 12 – May 26 | Jul 27 – Aug 10 |
| 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 13 – Jul 27 |
| Beets | — | — | Apr 14 – May 12 | Jul 27 – Aug 10 |
| Potatoes | — | — | Apr 14 – May 5 | — |
| Swiss Chard | — | — | Apr 21 – May 19 | Jul 27 – Aug 10 |
| Cilantro | — | — | Apr 21 – May 12 | Aug 10 – Aug 31 |
| Green Beans | — | — | May 12 – Jun 2 | Jul 20 – Aug 3 |
| Sweet Corn | — | — | May 12 – May 26 | — |
| Sweet Potatoes | — | May 19 – Jun 9 | — | — |
| Garlic | — | — | — | Sep 21 – Oct 26 |
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 Marshfield Muni Ap, WI weather station, 4 km away (elevation 1,257 ft (383 m)).
ZIP codes in Marshfield: 54404 54449 54472
Frost dates near Marshfield
- Hewitt May 5 · Oct 5
- Auburndale May 5 · Oct 5
- Spencer May 5 · Oct 5
- Chili May 5 · Oct 5
- Stratford May 5 · Oct 5
- Arpin May 5 · Oct 5
- Blenker May 5 · Oct 5
- Unity May 13 · Sep 26
Frequently asked questions
When is the last frost in Marshfield, WI?
The median last spring frost in Marshfield, WI is May 5. There is still about a 10% chance of frost after May 20, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Marshfield, WI?
The median first fall frost is October 5, with about a 10% chance of frost before September 21.
How long is the growing season in Marshfield, WI?
About 153 days between the median last spring frost and first fall frost.
What planting zone is Marshfield, WI?
Marshfield, WI is in USDA hardiness zone 4b.