Babbitt, MN frost dates
Last spring frostMay 28median date
First fall frostSep 14median date
Growing season109 daysfrost-free
Hardiness zone3bZone 3b
How Babbitt compares
- In 8 years out of 10, the last spring frost in Babbitt falls between May 11 and June 16, a 36-day window. The first fall frost falls between August 29 and September 29.
- The median last frost is 23 days later than the Minnesota median of May 5.
- Its 109-day growing season is among the shortest of the 801 Minnesota places with a regular frost season.
- The last frost is 11 days later than the zone 3b median of May 17. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 3b chart.
- The weather station records an average of 203 nights a year at or below 32°F.
- Compared with Duluth, MN, 103 km away, the last frost here is 14 days later than there and the growing season is 42 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 11 |
| 50% (median) | May 28 |
| 10% (safe for tender plants) | June 16 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | August 29 |
| 50% (median) | September 14 |
| 90% (late) | September 29 |
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 Babbitt, MN
Babbitt, MN frost dates — last frost May 28, first frost Sep 14, zone 3b. whenisthelastfrost.com
Crop
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Start indoors: Mar 5 to Mar 19Transplant outside: Apr 30 to May 14
Start indoors: Mar 19 to Apr 2Transplant outside: Jun 11 to Jun 25
Start indoors: Mar 19 to Apr 2Transplant outside: Jun 11 to Jun 25
Start indoors: Apr 2 to Apr 16Transplant outside: Jun 4 to Jun 18
Start indoors: Apr 2 to Apr 16Transplant outside: May 7 to May 21Sow outdoors: Apr 30 to Jun 4Plant for fall: Jul 20 to Aug 17
Start indoors: Apr 2 to Apr 16Transplant outside: Apr 30 to May 14Sow outdoors: Apr 30 to May 14Plant for fall: Jul 6 to Jul 27
Start indoors: Apr 2 to Apr 16Transplant outside: May 14 to May 28
Start indoors: Apr 2 to Apr 16Transplant outside: May 7 to May 21
Start indoors: Apr 2 to Apr 16Transplant outside: May 14 to May 28
Start indoors: Apr 16 to Apr 30Transplant outside: Jun 18 to Jul 2Sow outdoors: Jun 18 to Jul 2
Start indoors: Apr 16 to Apr 30Transplant outside: Jun 4 to Jun 18
Sow outdoors: Apr 16 to May 7Plant for fall: Jun 22 to Jul 13
Sow outdoors: Apr 16 to May 7Plant for fall: Jul 20 to Aug 10
Sow outdoors: Apr 23 to Jun 4Plant for fall: Aug 3 to Aug 24
Start indoors: Apr 30 to May 7Transplant outside: Jun 11 to Jun 18Sow outdoors: Jun 4 to Jun 18
Start indoors: Apr 30 to May 7Sow outdoors: Jun 4 to Jun 18Plant for fall: Jul 6 to Jul 20
Start indoors: Apr 30 to May 7Sow outdoors: Jun 4 to Jun 18
Start indoors: Apr 30 to May 7Transplant outside: Jun 11 to Jun 25
Sow outdoors: May 7 to Jun 4Plant for fall: Jun 22 to Jul 6
Sow outdoors: May 7 to Jun 4Plant for fall: Jul 6 to Jul 20
Sow outdoors: May 7 to May 28
Sow outdoors: May 14 to Jun 11Plant for fall: Jul 6 to Jul 20
Sow outdoors: May 14 to Jun 4Plant for fall: Jul 20 to Aug 10
Sow outdoors: Jun 4 to Jun 25
Sow outdoors: Jun 4 to Jun 18
Transplant outside: Jun 11 to Jul 2
Plant for fall: Aug 31 to Oct 5
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Babbitt, MN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 5 – Mar 19 | Apr 30 – May 14 | — | — |
| Peppers | Mar 19 – Apr 2 | Jun 11 – Jun 25 | — | — |
| Eggplant | Mar 19 – Apr 2 | Jun 11 – Jun 25 | — | — |
| Tomatoes | Apr 2 – Apr 16 | Jun 4 – Jun 18 | — | — |
| Lettuce | Apr 2 – Apr 16 | May 7 – May 21 | Apr 30 – Jun 4 | Jul 20 – Aug 17 |
| Kale | Apr 2 – Apr 16 | Apr 30 – May 14 | Apr 30 – May 14 | Jul 6 – Jul 27 |
| Broccoli | Apr 2 – Apr 16 | May 14 – May 28 | — | — |
| Cabbage | Apr 2 – Apr 16 | May 7 – May 21 | — | — |
| Cauliflower | Apr 2 – Apr 16 | May 14 – May 28 | — | — |
| Okra | Apr 16 – Apr 30 | Jun 18 – Jul 2 | Jun 18 – Jul 2 | — |
| Basil | Apr 16 – Apr 30 | Jun 4 – Jun 18 | — | — |
| Peas | — | — | Apr 16 – May 7 | Jun 22 – Jul 13 |
| Spinach | — | — | Apr 16 – May 7 | Jul 20 – Aug 10 |
| Radishes | — | — | Apr 23 – Jun 4 | Aug 3 – Aug 24 |
| Cucumbers | Apr 30 – May 7 | Jun 11 – Jun 18 | Jun 4 – Jun 18 | — |
| Zucchini & Summer Squash | Apr 30 – May 7 | — | Jun 4 – Jun 18 | Jul 6 – Jul 20 |
| Winter Squash & Pumpkins Warning: Your frost-free season is about 109 days, which is tight for winter squash & pumpkins (100+ days). Choose early varieties and use transplants or row covers. | Apr 30 – May 7 | — | Jun 4 – Jun 18 | — |
| Melons & Watermelon | Apr 30 – May 7 | Jun 11 – Jun 25 | — | — |
| Carrots | — | — | May 7 – Jun 4 | Jun 22 – Jul 6 |
| Beets | — | — | May 7 – Jun 4 | Jul 6 – Jul 20 |
| Potatoes | — | — | May 7 – May 28 | — |
| Swiss Chard | — | — | May 14 – Jun 11 | Jul 6 – Jul 20 |
| Cilantro | — | — | May 14 – Jun 4 | Jul 20 – Aug 10 |
| Green Beans | — | — | Jun 4 – Jun 25 | — |
| Sweet Corn | — | — | Jun 4 – Jun 18 | — |
| Sweet Potatoes Warning: Your frost-free season is about 109 days, which is tight for sweet potatoes (100+ days). Choose early varieties and use transplants or row covers. | — | Jun 11 – Jul 2 | — | — |
| Garlic | — | — | — | Aug 31 – Oct 5 |
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 Babbitt, MN weather station, about 1 km away (elevation 1,480 ft (451 m)).
Frost dates near Babbitt
- Embarrass frost any month
- Ely May 14 · Sep 29
- Soudan frost any month
- Hoyt Lakes frost any month
- Winton May 14 · Sep 29
- Tower frost any month
- Aurora frost any month
- Isabella May 31 · Sep 15
- Biwabik frost any month
- Gilbert May 12 · Oct 1
Frequently asked questions
When is the last frost in Babbitt, MN?
The median last spring frost in Babbitt, MN is May 28. There is still about a 10% chance of frost after June 16, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Babbitt, MN?
The median first fall frost is September 14, with about a 10% chance of frost before August 29.
How long is the growing season in Babbitt, MN?
About 109 days between the median last spring frost and first fall frost.
What planting zone is Babbitt, MN?
Babbitt, MN is in USDA hardiness zone 3b.