Sheldon, ND frost dates
How Sheldon compares
- In 8 years out of 10, the last spring frost in Sheldon falls between April 19 and May 16, a 27-day window. The first fall frost falls between September 23 and October 19.
- The median last frost is 9 days earlier than the North Dakota median of May 12.
- Its 155-day growing season is longer than 94% of the 372 North Dakota places with a regular frost season (state median 139 days).
- The last frost is 9 days earlier than the zone 4a median of May 12. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 4a chart.
- The weather station records an average of 176 nights a year at or below 32°F.
- Compared with Fargo, ND, 61 km away, the last frost here is 1 day earlier than there and the growing season is 4 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 19 |
| 50% (median) | May 3 |
| 10% (safe for tender plants) | May 16 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 23 |
| 50% (median) | October 5 |
| 90% (late) | October 19 |
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 Sheldon, ND
Sheldon, ND frost dates — last frost May 3, first frost Oct 5, zone 4a. whenisthelastfrost.com
When to plant vegetables in Sheldon, ND
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 8 – Feb 22 | Apr 5 – Apr 19 | — | — |
| Peppers | Feb 22 – Mar 8 | May 17 – May 31 | — | — |
| Eggplant | Feb 22 – Mar 8 | May 17 – May 31 | — | — |
| Tomatoes | Mar 8 – Mar 22 | May 10 – May 24 | — | — |
| Lettuce | Mar 8 – Mar 22 | Apr 12 – Apr 26 | Apr 5 – May 10 | Aug 10 – Sep 7 |
| Kale | Mar 8 – Mar 22 | Apr 5 – Apr 19 | Apr 5 – Apr 19 | Jul 27 – Aug 17 |
| Broccoli | Mar 8 – Mar 22 | Apr 19 – May 3 | — | Jun 29 – Jul 20 |
| Cabbage | Mar 8 – Mar 22 | Apr 12 – Apr 26 | — | Jun 29 – Jul 20 |
| Cauliflower | Mar 8 – Mar 22 | Apr 19 – May 3 | — | Jun 29 – Jul 20 |
| Okra | Mar 22 – Apr 5 | May 24 – Jun 7 | May 24 – Jun 7 | — |
| Basil | Mar 22 – Apr 5 | May 10 – May 24 | — | — |
| Peas | — | — | Mar 22 – Apr 12 | Jul 13 – Aug 3 |
| Spinach | — | — | Mar 22 – Apr 12 | Aug 10 – Aug 31 |
| Radishes | — | — | Mar 29 – May 10 | Aug 24 – Sep 14 |
| Cucumbers | Apr 5 – Apr 12 | May 17 – May 24 | May 10 – May 24 | Jul 20 – Aug 3 |
| Zucchini & Summer Squash | Apr 5 – Apr 12 | — | May 10 – May 24 | Jul 27 – Aug 10 |
| Winter Squash & Pumpkins | Apr 5 – Apr 12 | — | May 10 – May 24 | — |
| Melons & Watermelon | Apr 5 – Apr 12 | May 17 – May 31 | — | — |
| Carrots | — | — | Apr 12 – May 10 | Jul 13 – Jul 27 |
| Beets | — | — | Apr 12 – May 10 | Jul 27 – Aug 10 |
| Potatoes | — | — | Apr 12 – May 3 | — |
| Swiss Chard | — | — | Apr 19 – May 17 | Jul 27 – Aug 10 |
| Cilantro | — | — | Apr 19 – May 10 | Aug 10 – Aug 31 |
| Green Beans | — | — | May 10 – May 31 | Jul 20 – Aug 3 |
| Sweet Corn | — | — | May 10 – May 24 | — |
| Sweet Potatoes | — | May 17 – Jun 7 | — | — |
| Garlic | — | — | — | Sep 21 – Oct 26 |
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 Enderlin 2w, ND weather station, 16 km away (elevation 1,165 ft (355 m)).
Frost dates near Sheldon
- Enderlin May 3 · Oct 5
- Lisbon May 12 · Sep 27
- Leonard May 9 · Oct 1
- Mcleod May 6 · Sep 29
- Nome May 3 · Oct 5
- Wheatland May 9 · Oct 1
- Davenport May 9 · Oct 1
- Walcott May 6 · Sep 29
- Fingal May 3 · Oct 5
- Kindred May 4 · Oct 2
Frequently asked questions
When is the last frost in Sheldon, ND?
The median last spring frost in Sheldon, ND is May 3. There is still about a 10% chance of frost after May 16, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Sheldon, ND?
The median first fall frost is October 5, with about a 10% chance of frost before September 23.
How long is the growing season in Sheldon, ND?
About 155 days between the median last spring frost and first fall frost.
What planting zone is Sheldon, ND?
Sheldon, ND is in USDA hardiness zone 4a.