Hastings, MN frost dates
How Hastings compares
- In 8 years out of 10, the last spring frost in Hastings falls between April 8 and May 7, a 29-day window. The first fall frost falls between October 5 and November 1.
- The median last frost is 12 days earlier than the Minnesota median of May 5.
- Its 179-day growing season is among the longest of the 801 Minnesota places with a regular frost season.
- The last frost is 10 days earlier than the zone 5a median of May 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 5a chart.
- The weather station records an average of 150 nights a year at or below 32°F.
- Compared with Lakeville, MN, 31 km away, the last frost here is 4 days earlier than there and the growing season is 13 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 8 |
| 50% (median) | April 23 |
| 10% (safe for tender plants) | May 7 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 5 |
| 50% (median) | October 19 |
| 90% (late) | November 1 |
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 Hastings, MN
Hastings, MN frost dates — last frost Apr 23, first frost Oct 19, zone 5a. whenisthelastfrost.com
When to plant vegetables in Hastings, MN
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 29 – Feb 12 | Mar 26 – Apr 9 | — | — |
| Peppers | Feb 12 – Feb 26 | May 7 – May 21 | — | — |
| Eggplant | Feb 12 – Feb 26 | May 7 – May 21 | — | — |
| Tomatoes | Feb 26 – Mar 12 | Apr 30 – May 14 | — | — |
| Lettuce | Feb 26 – Mar 12 | Apr 2 – Apr 16 | Mar 26 – Apr 30 | Aug 24 – Sep 21 |
| Kale | Feb 26 – Mar 12 | Mar 26 – Apr 9 | Mar 26 – Apr 9 | Aug 10 – Aug 31 |
| Broccoli | Feb 26 – Mar 12 | Apr 9 – Apr 23 | — | Jul 13 – Aug 3 |
| Cabbage | Feb 26 – Mar 12 | Apr 2 – Apr 16 | — | Jul 13 – Aug 3 |
| Cauliflower | Feb 26 – Mar 12 | Apr 9 – Apr 23 | — | Jul 13 – Aug 3 |
| Okra | Mar 12 – Mar 26 | May 14 – May 28 | May 14 – May 28 | — |
| Basil | Mar 12 – Mar 26 | Apr 30 – May 14 | — | — |
| Peas | — | — | Mar 12 – Apr 2 | Jul 27 – Aug 17 |
| Spinach | — | — | Mar 12 – Apr 2 | Aug 24 – Sep 14 |
| Radishes | — | — | Mar 19 – Apr 30 | Sep 7 – Sep 28 |
| Cucumbers | Mar 26 – Apr 2 | May 7 – May 14 | Apr 30 – May 14 | Aug 3 – Aug 17 |
| Zucchini & Summer Squash | Mar 26 – Apr 2 | — | Apr 30 – May 14 | Aug 10 – Aug 24 |
| Winter Squash & Pumpkins | Mar 26 – Apr 2 | — | Apr 30 – May 14 | — |
| Melons & Watermelon | Mar 26 – Apr 2 | May 7 – May 21 | — | — |
| Carrots | — | — | Apr 2 – Apr 30 | Jul 27 – Aug 10 |
| Beets | — | — | Apr 2 – Apr 30 | Aug 10 – Aug 24 |
| Potatoes | — | — | Apr 2 – Apr 23 | — |
| Swiss Chard | — | — | Apr 9 – May 7 | Aug 10 – Aug 24 |
| Cilantro | — | — | Apr 9 – Apr 30 | Aug 24 – Sep 14 |
| Green Beans | — | — | Apr 30 – May 21 | Aug 3 – Aug 17 |
| Sweet Corn | — | — | Apr 30 – May 14 | — |
| Sweet Potatoes | — | May 7 – May 28 | — | — |
| Garlic | — | — | — | Oct 5 – Nov 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 Hastings Dam, MN weather station, 5 km away (elevation 679 ft (207 m)).
Frost dates near Hastings
- Vermillion May 2 · Oct 5
- Hampton May 2 · Oct 5
- Cottage Grove Apr 23 · Oct 19
- Welch Apr 23 · Oct 14
- Saint Paul Park Apr 24 · Oct 16
- Afton Apr 23 · Oct 19
- Inver Grove Heights Apr 24 · Oct 16
- Newport Apr 24 · Oct 16
- Rosemount May 2 · Oct 5
- Farmington Apr 27 · Oct 10
Frequently asked questions
When is the last frost in Hastings, MN?
The median last spring frost in Hastings, MN is April 23. There is still about a 10% chance of frost after May 7, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Hastings, MN?
The median first fall frost is October 19, with about a 10% chance of frost before October 5.
How long is the growing season in Hastings, MN?
About 179 days between the median last spring frost and first fall frost.
What planting zone is Hastings, MN?
Hastings, MN is in USDA hardiness zone 5a.