Rush City, MN frost dates
How Rush City compares
- In 8 years out of 10, the last spring frost in Rush City falls between April 27 and May 28, a 31-day window. The first fall frost falls between September 16 and October 14.
- The median last frost is 6 days later than the Minnesota median of May 5.
- Its 143-day growing season is longer than 26% of the 801 Minnesota places with a regular frost season (state median 151 days).
- The last frost is typical for zone 4b, where the median is May 8.
- The weather station records an average of 177 nights a year at or below 32°F.
- Compared with Maple Grove, MN, 78 km away, the last frost here is 11 days later than there and the growing season is 18 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 27 |
| 50% (median) | May 11 |
| 10% (safe for tender plants) | May 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 16 |
| 50% (median) | October 1 |
| 90% (late) | October 14 |
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 Rush City, MN
Rush City, MN frost dates — last frost May 11, first frost Oct 1, zone 4b. whenisthelastfrost.com
When to plant vegetables in Rush City, MN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 16 – Mar 2 | Apr 13 – Apr 27 | — | — |
| Peppers | Mar 2 – Mar 16 | May 25 – Jun 8 | — | — |
| Eggplant | Mar 2 – Mar 16 | May 25 – Jun 8 | — | — |
| Tomatoes | Mar 16 – Mar 30 | May 18 – Jun 1 | — | — |
| Lettuce | Mar 16 – Mar 30 | Apr 20 – May 4 | Apr 13 – May 18 | Aug 6 – Sep 3 |
| Kale | Mar 16 – Mar 30 | Apr 13 – Apr 27 | Apr 13 – Apr 27 | Jul 23 – Aug 13 |
| Broccoli | Mar 16 – Mar 30 | Apr 27 – May 11 | — | Jun 25 – Jul 16 |
| Cabbage | Mar 16 – Mar 30 | Apr 20 – May 4 | — | Jun 25 – Jul 16 |
| Cauliflower | Mar 16 – Mar 30 | Apr 27 – May 11 | — | Jun 25 – Jul 16 |
| Okra | Mar 30 – Apr 13 | Jun 1 – Jun 15 | Jun 1 – Jun 15 | — |
| Basil | Mar 30 – Apr 13 | May 18 – Jun 1 | — | — |
| Peas | — | — | Mar 30 – Apr 20 | Jul 9 – Jul 30 |
| Spinach | — | — | Mar 30 – Apr 20 | Aug 6 – Aug 27 |
| Radishes | — | — | Apr 6 – May 18 | Aug 20 – Sep 10 |
| Cucumbers | Apr 13 – Apr 20 | May 25 – Jun 1 | May 18 – Jun 1 | Jul 16 – Jul 30 |
| Zucchini & Summer Squash | Apr 13 – Apr 20 | — | May 18 – Jun 1 | Jul 23 – Aug 6 |
| Winter Squash & Pumpkins | Apr 13 – Apr 20 | — | May 18 – Jun 1 | — |
| Melons & Watermelon | Apr 13 – Apr 20 | May 25 – Jun 8 | — | — |
| Carrots | — | — | Apr 20 – May 18 | Jul 9 – Jul 23 |
| Beets | — | — | Apr 20 – May 18 | Jul 23 – Aug 6 |
| Potatoes | — | — | Apr 20 – May 11 | — |
| Swiss Chard | — | — | Apr 27 – May 25 | Jul 23 – Aug 6 |
| Cilantro | — | — | Apr 27 – May 18 | Aug 6 – Aug 27 |
| Green Beans | — | — | May 18 – Jun 8 | Jul 16 – Jul 30 |
| Sweet Corn | — | — | May 18 – Jun 1 | — |
| Sweet Potatoes | — | May 25 – Jun 15 | — | — |
| Garlic | — | — | — | Sep 17 – Oct 22 |
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 Grantsburg, WI weather station, 24 km away (elevation 991 ft (302 m)).
Frost dates near Rush City
- Rock Creek May 11 · Oct 1
- Harris May 2 · Oct 4
- Pine City May 11 · Oct 1
- Grandy May 2 · Oct 4
- Braham May 2 · Oct 4
- North Branch May 19 · Sep 25
- Almelund May 19 · Sep 25
- Grasston May 16 · Sep 24
- Stanchfield May 2 · Oct 4
- Henriette May 9 · Sep 30
Frequently asked questions
When is the last frost in Rush City, MN?
The median last spring frost in Rush City, MN is May 11. There is still about a 10% chance of frost after May 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Rush City, MN?
The median first fall frost is October 1, with about a 10% chance of frost before September 16.
How long is the growing season in Rush City, MN?
About 143 days between the median last spring frost and first fall frost.
What planting zone is Rush City, MN?
Rush City, MN is in USDA hardiness zone 4b.