Galesville, WI frost dates
Last spring frostApr 29median date
First fall frostOct 11median date
Growing season165 daysfrost-free
Hardiness zone4bZone 4b
How Galesville compares
- In 8 years out of 10, the last spring frost in Galesville falls between April 11 and May 13, a 32-day window. The first fall frost falls between September 26 and October 26.
- The median last frost is 6 days earlier than the Wisconsin median of May 5.
- Its 165-day growing season is longer than 75% of the 749 Wisconsin places with a regular frost season (state median 155 days).
- The last frost is 9 days earlier 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 141 nights a year at or below 32°F.
- Compared with La Crosse, WI, 29 km away, the last frost here is 2 days later than there and the growing season is 4 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 11 |
| 50% (median) | April 29 |
| 10% (safe for tender plants) | May 13 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 26 |
| 50% (median) | October 11 |
| 90% (late) | October 26 |
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 Galesville, WI
Galesville, WI frost dates — last frost Apr 29, first frost Oct 11, zone 4b. whenisthelastfrost.com
Crop
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Start indoors: Feb 4 to Feb 18Transplant outside: Apr 1 to Apr 15
Start indoors: Feb 18 to Mar 4Transplant outside: May 13 to May 27
Start indoors: Feb 18 to Mar 4Transplant outside: May 13 to May 27
Start indoors: Mar 4 to Mar 18Transplant outside: May 6 to May 20
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 8 to Apr 22Sow outdoors: Apr 1 to May 6Plant for fall: Aug 16 to Sep 13
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 1 to Apr 15Sow outdoors: Apr 1 to Apr 15Plant for fall: Aug 2 to Aug 23
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 15 to Apr 29Plant for fall: Jul 5 to Jul 26
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 8 to Apr 22Plant for fall: Jul 5 to Jul 26
Start indoors: Mar 4 to Mar 18Transplant outside: Apr 15 to Apr 29Plant for fall: Jul 5 to Jul 26
Start indoors: Mar 18 to Apr 1Transplant outside: May 20 to Jun 3Sow outdoors: May 20 to Jun 3
Start indoors: Mar 18 to Apr 1Transplant outside: May 6 to May 20
Sow outdoors: Mar 18 to Apr 8Plant for fall: Jul 19 to Aug 9
Sow outdoors: Mar 18 to Apr 8Plant for fall: Aug 16 to Sep 6
Sow outdoors: Mar 25 to May 6Plant for fall: Aug 30 to Sep 20
Start indoors: Apr 1 to Apr 8Transplant outside: May 13 to May 20Sow outdoors: May 6 to May 20Plant for fall: Jul 26 to Aug 9
Start indoors: Apr 1 to Apr 8Sow outdoors: May 6 to May 20Plant for fall: Aug 2 to Aug 16
Start indoors: Apr 1 to Apr 8Sow outdoors: May 6 to May 20
Start indoors: Apr 1 to Apr 8Transplant outside: May 13 to May 27
Sow outdoors: Apr 8 to May 6Plant for fall: Jul 19 to Aug 2
Sow outdoors: Apr 8 to May 6Plant for fall: Aug 2 to Aug 16
Sow outdoors: Apr 8 to Apr 29
Sow outdoors: Apr 15 to May 13Plant for fall: Aug 2 to Aug 16
Sow outdoors: Apr 15 to May 6Plant for fall: Aug 16 to Sep 6
Sow outdoors: May 6 to May 27Plant for fall: Jul 26 to Aug 9
Sow outdoors: May 6 to May 20
Transplant outside: May 13 to Jun 3
Plant for fall: Sep 27 to Nov 1
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Galesville, WI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 4 – Feb 18 | Apr 1 – Apr 15 | — | — |
| Peppers | Feb 18 – Mar 4 | May 13 – May 27 | — | — |
| Eggplant | Feb 18 – Mar 4 | May 13 – May 27 | — | — |
| Tomatoes | Mar 4 – Mar 18 | May 6 – May 20 | — | — |
| Lettuce | Mar 4 – Mar 18 | Apr 8 – Apr 22 | Apr 1 – May 6 | Aug 16 – Sep 13 |
| Kale | Mar 4 – Mar 18 | Apr 1 – Apr 15 | Apr 1 – Apr 15 | Aug 2 – Aug 23 |
| Broccoli | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 5 – Jul 26 |
| Cabbage | Mar 4 – Mar 18 | Apr 8 – Apr 22 | — | Jul 5 – Jul 26 |
| Cauliflower | Mar 4 – Mar 18 | Apr 15 – Apr 29 | — | Jul 5 – Jul 26 |
| Okra | Mar 18 – Apr 1 | May 20 – Jun 3 | May 20 – Jun 3 | — |
| Basil | Mar 18 – Apr 1 | May 6 – May 20 | — | — |
| Peas | — | — | Mar 18 – Apr 8 | Jul 19 – Aug 9 |
| Spinach | — | — | Mar 18 – Apr 8 | Aug 16 – Sep 6 |
| Radishes | — | — | Mar 25 – May 6 | Aug 30 – Sep 20 |
| Cucumbers | Apr 1 – Apr 8 | May 13 – May 20 | May 6 – May 20 | Jul 26 – Aug 9 |
| Zucchini & Summer Squash | Apr 1 – Apr 8 | — | May 6 – May 20 | Aug 2 – Aug 16 |
| Winter Squash & Pumpkins | Apr 1 – Apr 8 | — | May 6 – May 20 | — |
| Melons & Watermelon | Apr 1 – Apr 8 | May 13 – May 27 | — | — |
| Carrots | — | — | Apr 8 – May 6 | Jul 19 – Aug 2 |
| Beets | — | — | Apr 8 – May 6 | Aug 2 – Aug 16 |
| Potatoes | — | — | Apr 8 – Apr 29 | — |
| Swiss Chard | — | — | Apr 15 – May 13 | Aug 2 – Aug 16 |
| Cilantro | — | — | Apr 15 – May 6 | Aug 16 – Sep 6 |
| Green Beans | — | — | May 6 – May 27 | Jul 26 – Aug 9 |
| Sweet Corn | — | — | May 6 – May 20 | — |
| Sweet Potatoes | — | May 13 – Jun 3 | — | — |
| Garlic | — | — | — | Sep 27 – Nov 1 |
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 Trempealeau Dam, WI weather station, 12 km away (elevation 659 ft (201 m)).
Frost dates near Galesville
- Trempealeau Apr 29 · Oct 11
- Ettrick May 9 · Oct 1
- Dodge May 5 · Oct 5
- Holmen Apr 23 · Oct 17
- Arcadia May 5 · Oct 5
- Onalaska Apr 23 · Oct 17
- Mindoro May 9 · Oct 1
- Blair May 9 · Oct 1
- Melrose May 9 · Oct 1
- Fountain City Apr 23 · Oct 21
Frequently asked questions
When is the last frost in Galesville, WI?
The median last spring frost in Galesville, WI is April 29. There is still about a 10% chance of frost after May 13, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Galesville, WI?
The median first fall frost is October 11, with about a 10% chance of frost before September 26.
How long is the growing season in Galesville, WI?
About 165 days between the median last spring frost and first fall frost.
What planting zone is Galesville, WI?
Galesville, WI is in USDA hardiness zone 4b.