Frost dates for 54102 — Amberg, WI
Last spring frostMay 26median date
First fall frostSep 22median date
Growing season119 daysfrost-free
Hardiness zone4bZone 4b
How Amberg compares
- In 8 years out of 10, the last spring frost in Amberg falls between May 11 and June 11, a 31-day window. The first fall frost falls between September 6 and October 5.
- The median last frost is 21 days later than the Wisconsin median of May 5.
- Its 119-day growing season is among the shortest of the 749 Wisconsin places with a regular frost season.
- The last frost is 18 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 194 nights a year at or below 32°F.
- Compared with Green Bay, WI, 112 km away, the last frost here is 26 days later than there and the growing season is 43 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 11 |
| 50% (median) | May 26 |
| 10% (safe for tender plants) | June 11 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 6 |
| 50% (median) | September 22 |
| 90% (late) | October 5 |
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 Amberg, WI
Frost dates for 54102 — Amberg, WI — last frost May 26, first frost Sep 22, zone 4b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Mar 3 to Mar 17Transplant outside: Apr 28 to May 12
Start indoors: Mar 17 to Mar 31Transplant outside: Jun 9 to Jun 23
Start indoors: Mar 17 to Mar 31Transplant outside: Jun 9 to Jun 23
Start indoors: Mar 31 to Apr 14Transplant outside: Jun 2 to Jun 16
Start indoors: Mar 31 to Apr 14Transplant outside: May 5 to May 19Sow outdoors: Apr 28 to Jun 2Plant for fall: Jul 28 to Aug 25
Start indoors: Mar 31 to Apr 14Transplant outside: Apr 28 to May 12Sow outdoors: Apr 28 to May 12Plant for fall: Jul 14 to Aug 4
Start indoors: Mar 31 to Apr 14Transplant outside: May 12 to May 26Plant for fall: Jun 16 to Jul 7
Start indoors: Mar 31 to Apr 14Transplant outside: May 5 to May 19Plant for fall: Jun 16 to Jul 7
Start indoors: Mar 31 to Apr 14Transplant outside: May 12 to May 26Plant for fall: Jun 16 to Jul 7
Start indoors: Apr 14 to Apr 28Transplant outside: Jun 16 to Jun 30Sow outdoors: Jun 16 to Jun 30
Start indoors: Apr 14 to Apr 28Transplant outside: Jun 2 to Jun 16
Sow outdoors: Apr 14 to May 5Plant for fall: Jun 30 to Jul 21
Sow outdoors: Apr 14 to May 5Plant for fall: Jul 28 to Aug 18
Sow outdoors: Apr 21 to Jun 2Plant for fall: Aug 11 to Sep 1
Start indoors: Apr 28 to May 5Transplant outside: Jun 9 to Jun 16Sow outdoors: Jun 2 to Jun 16Plant for fall: Jul 7 to Jul 21
Start indoors: Apr 28 to May 5Sow outdoors: Jun 2 to Jun 16Plant for fall: Jul 14 to Jul 28
Start indoors: Apr 28 to May 5Sow outdoors: Jun 2 to Jun 16
Start indoors: Apr 28 to May 5Transplant outside: Jun 9 to Jun 23
Sow outdoors: May 5 to Jun 2Plant for fall: Jun 30 to Jul 14
Sow outdoors: May 5 to Jun 2Plant for fall: Jul 14 to Jul 28
Sow outdoors: May 5 to May 26
Sow outdoors: May 12 to Jun 9Plant for fall: Jul 14 to Jul 28
Sow outdoors: May 12 to Jun 2Plant for fall: Jul 28 to Aug 18
Sow outdoors: Jun 2 to Jun 23
Sow outdoors: Jun 2 to Jun 16
Transplant outside: Jun 9 to Jun 30
Plant for fall: Sep 8 to Oct 13
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Amberg, WI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 3 – Mar 17 | Apr 28 – May 12 | — | — |
| Peppers | Mar 17 – Mar 31 | Jun 9 – Jun 23 | — | — |
| Eggplant | Mar 17 – Mar 31 | Jun 9 – Jun 23 | — | — |
| Tomatoes | Mar 31 – Apr 14 | Jun 2 – Jun 16 | — | — |
| Lettuce | Mar 31 – Apr 14 | May 5 – May 19 | Apr 28 – Jun 2 | Jul 28 – Aug 25 |
| Kale | Mar 31 – Apr 14 | Apr 28 – May 12 | Apr 28 – May 12 | Jul 14 – Aug 4 |
| Broccoli | Mar 31 – Apr 14 | May 12 – May 26 | — | Jun 16 – Jul 7 |
| Cabbage | Mar 31 – Apr 14 | May 5 – May 19 | — | Jun 16 – Jul 7 |
| Cauliflower | Mar 31 – Apr 14 | May 12 – May 26 | — | Jun 16 – Jul 7 |
| Okra | Apr 14 – Apr 28 | Jun 16 – Jun 30 | Jun 16 – Jun 30 | — |
| Basil | Apr 14 – Apr 28 | Jun 2 – Jun 16 | — | — |
| Peas | — | — | Apr 14 – May 5 | Jun 30 – Jul 21 |
| Spinach | — | — | Apr 14 – May 5 | Jul 28 – Aug 18 |
| Radishes | — | — | Apr 21 – Jun 2 | Aug 11 – Sep 1 |
| Cucumbers | Apr 28 – May 5 | Jun 9 – Jun 16 | Jun 2 – Jun 16 | Jul 7 – Jul 21 |
| Zucchini & Summer Squash | Apr 28 – May 5 | — | Jun 2 – Jun 16 | Jul 14 – Jul 28 |
| Winter Squash & Pumpkins | Apr 28 – May 5 | — | Jun 2 – Jun 16 | — |
| Melons & Watermelon | Apr 28 – May 5 | Jun 9 – Jun 23 | — | — |
| Carrots | — | — | May 5 – Jun 2 | Jun 30 – Jul 14 |
| Beets | — | — | May 5 – Jun 2 | Jul 14 – Jul 28 |
| Potatoes | — | — | May 5 – May 26 | — |
| Swiss Chard | — | — | May 12 – Jun 9 | Jul 14 – Jul 28 |
| Cilantro | — | — | May 12 – Jun 2 | Jul 28 – Aug 18 |
| Green Beans | — | — | Jun 2 – Jun 23 | — |
| Sweet Corn | — | — | Jun 2 – Jun 16 | — |
| Sweet Potatoes | — | Jun 9 – Jun 30 | — | — |
| Garlic | — | — | — | Sep 8 – Oct 13 |
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 Crivitz High Falls, WI weather station, 24 km away (elevation 951 ft (290 m)).
Frost dates near Amberg
- Pembine May 17 · Oct 1
- Dunbar May 24 · Sep 30
- Wausaukee May 22 · Sep 27
- Athelstane May 26 · Sep 22
- Crivitz May 26 · Sep 22
- Niagara May 17 · Oct 1
- Goodman May 24 · Sep 30
- Porterfield May 4 · Oct 11
Frequently asked questions
When is the last frost in Amberg, WI?
The median last spring frost in Amberg, WI is May 26. There is still about a 10% chance of frost after June 11, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Amberg, WI?
The median first fall frost is September 22, with about a 10% chance of frost before September 6.
How long is the growing season in Amberg, WI?
About 119 days between the median last spring frost and first fall frost.
What planting zone is Amberg, WI?
Amberg, WI is in USDA hardiness zone 4b.