Bowstring, MN frost dates
Last spring frostMay 14median date
First fall frostOct 2median date
Growing season141 daysfrost-free
Hardiness zone3bZone 3b
How Bowstring compares
- In 8 years out of 10, the last spring frost in Bowstring falls between April 30 and May 30, a 30-day window. The first fall frost falls between September 20 and October 16.
- The median last frost is 9 days later than the Minnesota median of May 5.
- Its 141-day growing season is longer than 22% of the 801 Minnesota places with a regular frost season (state median 151 days).
- The last frost is typical for zone 3b, where the median is May 17.
- The weather station records an average of 192 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 30 |
| 50% (median) | May 14 |
| 10% (safe for tender plants) | May 30 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 20 |
| 50% (median) | October 2 |
| 90% (late) | October 16 |
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 Bowstring, MN
Bowstring, MN frost dates — last frost May 14, first frost Oct 2, zone 3b. whenisthelastfrost.com
Crop
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Start indoors: Feb 19 to Mar 5Transplant outside: Apr 16 to Apr 30
Start indoors: Mar 5 to Mar 19Transplant outside: May 28 to Jun 11
Start indoors: Mar 5 to Mar 19Transplant outside: May 28 to Jun 11
Start indoors: Mar 19 to Apr 2Transplant outside: May 21 to Jun 4
Start indoors: Mar 19 to Apr 2Transplant outside: Apr 23 to May 7Sow outdoors: Apr 16 to May 21Plant for fall: Aug 7 to Sep 4
Start indoors: Mar 19 to Apr 2Transplant outside: Apr 16 to Apr 30Sow outdoors: Apr 16 to Apr 30Plant for fall: Jul 24 to Aug 14
Start indoors: Mar 19 to Apr 2Transplant outside: Apr 30 to May 14Plant for fall: Jun 26 to Jul 17
Start indoors: Mar 19 to Apr 2Transplant outside: Apr 23 to May 7Plant for fall: Jun 26 to Jul 17
Start indoors: Mar 19 to Apr 2Transplant outside: Apr 30 to May 14Plant for fall: Jun 26 to Jul 17
Start indoors: Apr 2 to Apr 16Transplant outside: Jun 4 to Jun 18Sow outdoors: Jun 4 to Jun 18
Start indoors: Apr 2 to Apr 16Transplant outside: May 21 to Jun 4
Sow outdoors: Apr 2 to Apr 23Plant for fall: Jul 10 to Jul 31
Sow outdoors: Apr 2 to Apr 23Plant for fall: Aug 7 to Aug 28
Sow outdoors: Apr 9 to May 21Plant for fall: Aug 21 to Sep 11
Start indoors: Apr 16 to Apr 23Transplant outside: May 28 to Jun 4Sow outdoors: May 21 to Jun 4Plant for fall: Jul 17 to Jul 31
Start indoors: Apr 16 to Apr 23Sow outdoors: May 21 to Jun 4Plant for fall: Jul 24 to Aug 7
Start indoors: Apr 16 to Apr 23Sow outdoors: May 21 to Jun 4
Start indoors: Apr 16 to Apr 23Transplant outside: May 28 to Jun 11
Sow outdoors: Apr 23 to May 21Plant for fall: Jul 10 to Jul 24
Sow outdoors: Apr 23 to May 21Plant for fall: Jul 24 to Aug 7
Sow outdoors: Apr 23 to May 14
Sow outdoors: Apr 30 to May 28Plant for fall: Jul 24 to Aug 7
Sow outdoors: Apr 30 to May 21Plant for fall: Aug 7 to Aug 28
Sow outdoors: May 21 to Jun 11Plant for fall: Jul 17 to Jul 31
Sow outdoors: May 21 to Jun 4
Transplant outside: May 28 to Jun 18
Plant for fall: Sep 18 to Oct 23
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Bowstring, MN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 19 – Mar 5 | Apr 16 – Apr 30 | — | — |
| Peppers | Mar 5 – Mar 19 | May 28 – Jun 11 | — | — |
| Eggplant | Mar 5 – Mar 19 | May 28 – Jun 11 | — | — |
| Tomatoes | Mar 19 – Apr 2 | May 21 – Jun 4 | — | — |
| Lettuce | Mar 19 – Apr 2 | Apr 23 – May 7 | Apr 16 – May 21 | Aug 7 – Sep 4 |
| Kale | Mar 19 – Apr 2 | Apr 16 – Apr 30 | Apr 16 – Apr 30 | Jul 24 – Aug 14 |
| Broccoli | Mar 19 – Apr 2 | Apr 30 – May 14 | — | Jun 26 – Jul 17 |
| Cabbage | Mar 19 – Apr 2 | Apr 23 – May 7 | — | Jun 26 – Jul 17 |
| Cauliflower | Mar 19 – Apr 2 | Apr 30 – May 14 | — | Jun 26 – Jul 17 |
| Okra | Apr 2 – Apr 16 | Jun 4 – Jun 18 | Jun 4 – Jun 18 | — |
| Basil | Apr 2 – Apr 16 | May 21 – Jun 4 | — | — |
| Peas | — | — | Apr 2 – Apr 23 | Jul 10 – Jul 31 |
| Spinach | — | — | Apr 2 – Apr 23 | Aug 7 – Aug 28 |
| Radishes | — | — | Apr 9 – May 21 | Aug 21 – Sep 11 |
| Cucumbers | Apr 16 – Apr 23 | May 28 – Jun 4 | May 21 – Jun 4 | Jul 17 – Jul 31 |
| Zucchini & Summer Squash | Apr 16 – Apr 23 | — | May 21 – Jun 4 | Jul 24 – Aug 7 |
| Winter Squash & Pumpkins | Apr 16 – Apr 23 | — | May 21 – Jun 4 | — |
| Melons & Watermelon | Apr 16 – Apr 23 | May 28 – Jun 11 | — | — |
| Carrots | — | — | Apr 23 – May 21 | Jul 10 – Jul 24 |
| Beets | — | — | Apr 23 – May 21 | Jul 24 – Aug 7 |
| Potatoes | — | — | Apr 23 – May 14 | — |
| Swiss Chard | — | — | Apr 30 – May 28 | Jul 24 – Aug 7 |
| Cilantro | — | — | Apr 30 – May 21 | Aug 7 – Aug 28 |
| Green Beans | — | — | May 21 – Jun 11 | Jul 17 – Jul 31 |
| Sweet Corn | — | — | May 21 – Jun 4 | — |
| Sweet Potatoes | — | May 28 – Jun 18 | — | — |
| Garlic | — | — | — | Sep 18 – Oct 23 |
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 Marcell 5ne, MN weather station, 15 km away (elevation 1,388 ft (423 m)).
Frost dates near Bowstring
- Talmoon May 14 · Oct 2
- Marcell May 14 · Oct 2
- Spring Lake May 14 · Oct 2
- Deer River May 16 · Oct 1
- Max May 16 · Sep 26
- Bigfork May 14 · Oct 2
- Wirt May 16 · Sep 26
- Squaw Lake May 16 · Sep 26
- Cohasset May 16 · Oct 1
- Effie May 14 · Oct 2
Frequently asked questions
When is the last frost in Bowstring, MN?
The median last spring frost in Bowstring, MN is May 14. There is still about a 10% chance of frost after May 30, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Bowstring, MN?
The median first fall frost is October 2, with about a 10% chance of frost before September 20.
How long is the growing season in Bowstring, MN?
About 141 days between the median last spring frost and first fall frost.
What planting zone is Bowstring, MN?
Bowstring, MN is in USDA hardiness zone 3b.