Elcho, WI frost dates
Last spring frostJun 3median date
First fall frostSep 18median date
Growing season107 daysfrost-free
Hardiness zone4bZone 4b
How Elcho compares
- In 8 years out of 10, the last spring frost in Elcho falls between May 20 and June 27, a 38-day window. The first fall frost falls between September 1 and October 4.
- The median last frost is 29 days later than the Wisconsin median of May 5.
- Its 107-day growing season is among the shortest of the 749 Wisconsin places with a regular frost season.
- The last frost is 26 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 207 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 20 |
| 50% (median) | June 3 |
| 10% (safe for tender plants) | June 27 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 1 |
| 50% (median) | September 18 |
| 90% (late) | October 4 |
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 Elcho, WI
Elcho, WI frost dates — last frost Jun 3, first frost Sep 18, zone 4b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Mar 11 to Mar 25Transplant outside: May 6 to May 20
Start indoors: Mar 25 to Apr 8Transplant outside: Jun 17 to Jul 1
Start indoors: Mar 25 to Apr 8Transplant outside: Jun 17 to Jul 1
Start indoors: Apr 8 to Apr 22Transplant outside: Jun 10 to Jun 24
Start indoors: Apr 8 to Apr 22Transplant outside: May 13 to May 27Sow outdoors: May 6 to Jun 10Plant for fall: Jul 24 to Aug 21
Start indoors: Apr 8 to Apr 22Transplant outside: May 6 to May 20Sow outdoors: May 6 to May 20Plant for fall: Jul 10 to Jul 31
Start indoors: Apr 8 to Apr 22Transplant outside: May 20 to Jun 3
Start indoors: Apr 8 to Apr 22Transplant outside: May 13 to May 27
Start indoors: Apr 8 to Apr 22Transplant outside: May 20 to Jun 3
Start indoors: Apr 22 to May 6Transplant outside: Jun 24 to Jul 8Sow outdoors: Jun 24 to Jul 8
Start indoors: Apr 22 to May 6Transplant outside: Jun 10 to Jun 24
Sow outdoors: Apr 22 to May 13Plant for fall: Jun 26 to Jul 17
Sow outdoors: Apr 22 to May 13Plant for fall: Jul 24 to Aug 14
Sow outdoors: Apr 29 to Jun 10Plant for fall: Aug 7 to Aug 28
Start indoors: May 6 to May 13Transplant outside: Jun 17 to Jun 24Sow outdoors: Jun 10 to Jun 24
Start indoors: May 6 to May 13Sow outdoors: Jun 10 to Jun 24Plant for fall: Jul 10 to Jul 24
Start indoors: May 6 to May 13Sow outdoors: Jun 10 to Jun 24
Start indoors: May 6 to May 13Transplant outside: Jun 17 to Jul 1
Sow outdoors: May 13 to Jun 10Plant for fall: Jun 26 to Jul 10
Sow outdoors: May 13 to Jun 10Plant for fall: Jul 10 to Jul 24
Sow outdoors: May 13 to Jun 3
Sow outdoors: May 20 to Jun 17Plant for fall: Jul 10 to Jul 24
Sow outdoors: May 20 to Jun 10Plant for fall: Jul 24 to Aug 14
Sow outdoors: Jun 10 to Jul 1
Sow outdoors: Jun 10 to Jun 24
Transplant outside: Jun 17 to Jul 8
Plant for fall: Sep 4 to Oct 9
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Elcho, WI
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 11 – Mar 25 | May 6 – May 20 | — | — |
| Peppers | Mar 25 – Apr 8 | Jun 17 – Jul 1 | — | — |
| Eggplant | Mar 25 – Apr 8 | Jun 17 – Jul 1 | — | — |
| Tomatoes | Apr 8 – Apr 22 | Jun 10 – Jun 24 | — | — |
| Lettuce | Apr 8 – Apr 22 | May 13 – May 27 | May 6 – Jun 10 | Jul 24 – Aug 21 |
| Kale | Apr 8 – Apr 22 | May 6 – May 20 | May 6 – May 20 | Jul 10 – Jul 31 |
| Broccoli | Apr 8 – Apr 22 | May 20 – Jun 3 | — | — |
| Cabbage | Apr 8 – Apr 22 | May 13 – May 27 | — | — |
| Cauliflower | Apr 8 – Apr 22 | May 20 – Jun 3 | — | — |
| Okra | Apr 22 – May 6 | Jun 24 – Jul 8 | Jun 24 – Jul 8 | — |
| Basil | Apr 22 – May 6 | Jun 10 – Jun 24 | — | — |
| Peas | — | — | Apr 22 – May 13 | Jun 26 – Jul 17 |
| Spinach | — | — | Apr 22 – May 13 | Jul 24 – Aug 14 |
| Radishes | — | — | Apr 29 – Jun 10 | Aug 7 – Aug 28 |
| Cucumbers | May 6 – May 13 | Jun 17 – Jun 24 | Jun 10 – Jun 24 | — |
| Zucchini & Summer Squash | May 6 – May 13 | — | Jun 10 – Jun 24 | Jul 10 – Jul 24 |
| Winter Squash & Pumpkins Warning: Your frost-free season is about 107 days, which is tight for winter squash & pumpkins (100+ days). Choose early varieties and use transplants or row covers. | May 6 – May 13 | — | Jun 10 – Jun 24 | — |
| Melons & Watermelon | May 6 – May 13 | Jun 17 – Jul 1 | — | — |
| Carrots | — | — | May 13 – Jun 10 | Jun 26 – Jul 10 |
| Beets | — | — | May 13 – Jun 10 | Jul 10 – Jul 24 |
| Potatoes | — | — | May 13 – Jun 3 | — |
| Swiss Chard | — | — | May 20 – Jun 17 | Jul 10 – Jul 24 |
| Cilantro | — | — | May 20 – Jun 10 | Jul 24 – Aug 14 |
| Green Beans | — | — | Jun 10 – Jul 1 | — |
| Sweet Corn | — | — | Jun 10 – Jun 24 | — |
| Sweet Potatoes Warning: Your frost-free season is about 107 days, which is tight for sweet potatoes (100+ days). Choose early varieties and use transplants or row covers. | — | Jun 17 – Jul 8 | — | — |
| Garlic | — | — | — | Sep 4 – Oct 9 |
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 North Pelican, WI weather station, 23 km away (elevation 1,611 ft (491 m)).
Frost dates near Elcho
- Summit Lake Jun 3 · Sep 18
- Pelican Lake Jun 3 · Sep 18
- Pearson May 14 · Sep 30
- Pickerel May 19 · Sep 29
- Crandon May 19 · Sep 29
- Deerbrook May 14 · Sep 30
- Gleason May 11 · Sep 30
- Bryant May 14 · Sep 30
- Antigo May 14 · Sep 30
- Rhinelander May 23 · Sep 23
Frequently asked questions
When is the last frost in Elcho, WI?
The median last spring frost in Elcho, WI is June 3. There is still about a 10% chance of frost after June 27, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Elcho, WI?
The median first fall frost is September 18, with about a 10% chance of frost before September 1.
How long is the growing season in Elcho, WI?
About 107 days between the median last spring frost and first fall frost.
What planting zone is Elcho, WI?
Elcho, WI is in USDA hardiness zone 4b.