Frost dates for 58752Lignite, ND
The average last spring frost in Lignite is May 18 and the average first fall frost is September 17, giving a typical growing season of about 119 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 18
- Average first fall frost
- Sep 17
- Growing season
- 119 days
Safer after Jun 1 (1-in-10 risk)
Possible by Sep 4 (1-in-10 risk)
Last frost typically in 204 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 17 · May 30 · Jun 15 | Aug 25 · Sep 8 · Sep 21 | 101 days | 100% |
| Frost / freeze (32°F) | May 6 · May 18 · Jun 1 | Sep 4 · Sep 17 · Sep 28 | 119 days | 100% |
| Hard freeze (28°F) | Apr 29 · May 10 · May 23 | Sep 12 · Sep 25 · Oct 7 | 137 days | 100% |
Planting calendar for Lignite
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 – May 28 |
| 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 7 |
| Summer squash | Sow outdoors | Jun 3 – Jul 18 |
| Winter squash & pumpkins | Sow outdoors | Jun 17 – Jul 18 |
| Snap beans | Sow outdoors | Jun 3 – Jun 30 |
| Sweet corn | Sow outdoors | Jun 3 – May 28 |
| 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 18 – May 28 |
| Broccoli | Transplant outdoors (fall) | Jun 17 – Jun 28 |
| Cabbage | Start seeds indoors (spring) | Mar 20 – Apr 17 |
| Cabbage | Transplant outdoors (spring) | Apr 17 – May 18 |
| Cabbage | Start seeds indoors (fall) | May 8 – Jun 7 |
| Cabbage | Transplant outdoors (fall) | Jun 7 – Jul 8 |
| Leaf lettuce | Sow outdoors (spring) | Apr 17 – Jul 3 |
| Leaf lettuce | Sow outdoors (fall) | Jun 7 – Jul 24 |
| Spinach | Sow outdoors (spring) | Apr 10 – May 24 |
| Spinach | Sow outdoors (fall) | Jun 24 – Jul 29 |
| Radishes | Sow outdoors (spring) | Apr 17 – Jun 7 |
| Radishes | Sow outdoors (fall) | Jun 7 – Aug 8 |
| Kale | Sow outdoors (spring) | May 4 – May 24 |
| Kale | Sow outdoors (fall) | May 31 – Jul 8 |
| Carrots | Sow outdoors (spring) | May 18 – Jul 3 |
| Carrots | Sow outdoors (fall) | May 8 – Jun 23 |
| Garlic | Plant outdoors (fall) | Sep 7 – Oct 8 |
Where these dates come from
ZIP code 58752 is matched to the NOAA station Powers Lake 1N, ND, 31.4 km away, at 2,205 ft elevation (263 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Powers Lake 1N, ND (used) | 2,205 ft | May 18 | Sep 17 |
| Northgate 5 Ese, ND | 1,842 ft | May 20 | Sep 19 |
| Kenmare 1 Wsw, ND | 1,810 ft | May 15 | Sep 23 |
| Wildrose 3Nw, ND | 2,227 ft | May 18 | Sep 20 |
Frost dates near Lignite
- Flaxton, ND 58737 · last May 15, first Sep 23
- Portal, ND 58772 · last May 20, first Sep 19
- Columbus, ND 58727 · last May 17, first Sep 23
- Bowbells, ND 58721 · last May 15, first Sep 23
- Powers Lake, ND 58773 · last May 18, first Sep 17
- Noonan, ND 58765 · last May 17, first Sep 23
- Kenmare, ND 58746 · last May 15, first Sep 23
- Mcgregor, ND 58755 · last May 18, first Sep 17
Frequently asked questions
- When is the last frost in Lignite, ND?
- For ZIP code 58752, the average last spring frost (32°F) is May 18, based on NOAA 1991-2020 climate normals for the Powers Lake 1N, ND weather station. There is a 1-in-10 chance of a frost after June 1.
- When is the first frost in Lignite, ND?
- The average first fall frost (32°F) is September 17. There is a 1-in-10 chance of frost by September 4, so tender plants are at risk from that point on.
- How long is the growing season in 58752?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 119 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.