Frost dates for 58331Egeland, ND
The average last spring frost in Egeland is May 18 and the average first fall frost is September 23, giving a typical growing season of about 127 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 18
- Average first fall frost
- Sep 23
- Growing season
- 127 days
Safer after May 31 (1-in-10 risk)
Possible by Sep 11 (1-in-10 risk)
Last frost typically in 203 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | May 14 · May 27 · Jun 9 | Aug 30 · Sep 13 · Sep 25 | 107 days | 100% |
| Frost / freeze (32°F) | May 5 · May 18 · May 31 | Sep 11 · Sep 23 · Oct 6 | 127 days | 100% |
| Hard freeze (28°F) | Apr 23 · May 8 · May 24 | Sep 21 · Oct 1 · Oct 16 | 146 days | 100% |
Planting calendar for Egeland
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Apr 17 – Jun 23 |
| Tomatoes | Transplant outdoors | Jun 3 – Jun 3 |
| Peppers | Start seeds indoors | Apr 17 – May 18 |
| Peppers | Transplant outdoors | Jun 17 – Jul 18 |
| Eggplant | Start seeds indoors | May 4 – Jun 2 |
| Eggplant | Transplant outdoors | Jun 17 – Jul 18 |
| Cucumbers | Sow outdoors | Jun 17 – Jun 13 |
| Summer squash | Sow outdoors | Jun 3 – Jul 18 |
| Winter squash & pumpkins | Sow outdoors | Jun 17 – Jul 18 |
| Snap beans | Sow outdoors | Jun 3 – Jul 6 |
| Sweet corn | Sow outdoors | Jun 3 – Jun 3 |
| Watermelon & cantaloupe | Sow outdoors | Jun 17 – Jul 18 |
| Okra | Sow outdoors | Jun 10 – Jul 3 |
| Peas | Sow outdoors (spring) | Apr 17 – Jun 2 |
| Potatoes | Plant outdoors (spring) | Apr 17 – Jun 17 |
| Onions | Start seeds indoors (spring) | Mar 6 – Apr 2 |
| Onions | Transplant outdoors (spring) | May 4 – Jun 2 |
| Broccoli | Start seeds indoors (spring) | Mar 30 – May 3 |
| Broccoli | Transplant outdoors (spring) | May 4 – Jun 2 |
| Broccoli | Start seeds indoors (fall) | May 24 – Jun 3 |
| Broccoli | Transplant outdoors (fall) | Jun 23 – Jul 4 |
| Cabbage | Start seeds indoors (spring) | Mar 20 – Apr 17 |
| Cabbage | Transplant outdoors (spring) | Apr 17 – May 18 |
| Cabbage | Start seeds indoors (fall) | May 14 – Jun 13 |
| Cabbage | Transplant outdoors (fall) | Jun 13 – Jul 14 |
| Leaf lettuce | Sow outdoors (spring) | Apr 17 – Jul 3 |
| Leaf lettuce | Sow outdoors (fall) | Jun 13 – Jul 30 |
| Spinach | Sow outdoors (spring) | Apr 10 – May 24 |
| Spinach | Sow outdoors (fall) | Jun 30 – Aug 4 |
| Radishes | Sow outdoors (spring) | Apr 17 – Jun 7 |
| Radishes | Sow outdoors (fall) | Jun 13 – Aug 14 |
| Kale | Sow outdoors (spring) | May 4 – May 24 |
| Kale | Sow outdoors (fall) | Jun 6 – Jul 14 |
| Carrots | Sow outdoors (spring) | May 18 – Jul 3 |
| Carrots | Sow outdoors (fall) | May 14 – Jun 29 |
| Garlic | Plant outdoors (fall) | Sep 13 – Oct 14 |
Where these dates come from
ZIP code 58331 is matched to the NOAA station Hansboro 4 Nne, ND, 43.9 km away, at 1,540 ft elevation (18 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Hansboro 4 Nne, ND (used) | 1,540 ft | May 18 | Sep 23 |
| Rolla 1Ne, ND | 1,833 ft | May 20 | Sep 26 |
| Leeds, ND | 1,530 ft | May 15 | Sep 27 |
| Edmore 4Nw, ND | 1,539 ft | May 15 | Sep 22 |
Frost dates near Egeland
- Cando, ND 58324 · last May 15, first Sep 27
- Bisbee, ND 58317 · last May 22, first Sep 20
- Munich, ND 58352 · last May 15, first Sep 22
- Rocklake, ND 58365 · last May 18, first Sep 23
- Perth, ND 58363 · last May 20, first Sep 26
- Agate, ND 58310 · last May 22, first Sep 20
- Starkweather, ND 58377 · last May 15, first Sep 22
- Calvin, ND 58323 · last May 18, first Sep 23
Frequently asked questions
- When is the last frost in Egeland, ND?
- For ZIP code 58331, the average last spring frost (32°F) is May 18, based on NOAA 1991-2020 climate normals for the Hansboro 4 Nne, ND weather station. There is a 1-in-10 chance of a frost after May 31.
- When is the first frost in Egeland, ND?
- The average first fall frost (32°F) is September 23. There is a 1-in-10 chance of frost by September 11, so tender plants are at risk from that point on.
- How long is the growing season in 58331?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 127 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.