Frost dates for 58758Martin, ND
The average last spring frost in Martin is May 12 and the average first fall frost is September 26, giving a typical growing season of about 135 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 12
- Average first fall frost
- Sep 26
- Growing season
- 135 days
Safer after May 25 (1-in-10 risk)
Possible by Sep 14 (1-in-10 risk)
Last frost typically in 198 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 9 · May 22 · Jun 1 | Sep 5 · Sep 18 · Sep 28 | 117 days | 100% |
| Frost / freeze (32°F) | Apr 30 · May 12 · May 25 | Sep 14 · Sep 26 · Oct 6 | 135 days | 100% |
| Hard freeze (28°F) | Apr 18 · May 4 · May 18 | Sep 23 · Oct 4 · Oct 15 | 151 days | 100% |
Planting calendar for Martin
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 11 – Jun 17 |
| Tomatoes | Transplant outdoors | May 28 – Jun 6 |
| Peppers | Start seeds indoors | Apr 11 – May 12 |
| Peppers | Transplant outdoors | Jun 11 – Jul 12 |
| Eggplant | Start seeds indoors | Apr 28 – May 27 |
| Eggplant | Transplant outdoors | Jun 11 – Jul 12 |
| Cucumbers | Sow outdoors | Jun 11 – Jun 16 |
| Summer squash | Sow outdoors | May 28 – Jul 12 |
| Winter squash & pumpkins | Sow outdoors | Jun 11 – Jul 12 |
| Snap beans | Sow outdoors | May 28 – Jul 9 |
| Sweet corn | Sow outdoors | May 28 – Jun 6 |
| Watermelon & cantaloupe | Sow outdoors | Jun 11 – Jul 12 |
| Okra | Sow outdoors | Jun 4 – Jun 27 |
| Peas | Sow outdoors (spring) | Apr 11 – May 27 |
| Potatoes | Plant outdoors (spring) | Apr 11 – Jun 11 |
| Onions | Start seeds indoors (spring) | Feb 28 – Mar 27 |
| Onions | Transplant outdoors (spring) | Apr 28 – May 27 |
| Broccoli | Start seeds indoors (spring) | Mar 24 – Apr 27 |
| Broccoli | Transplant outdoors (spring) | Apr 28 – May 27 |
| Broccoli | Start seeds indoors (fall) | May 27 – Jun 6 |
| Broccoli | Transplant outdoors (fall) | Jun 26 – Jul 7 |
| Cabbage | Start seeds indoors (spring) | Mar 14 – Apr 11 |
| Cabbage | Transplant outdoors (spring) | Apr 11 – May 12 |
| Cabbage | Start seeds indoors (fall) | May 17 – Jun 16 |
| Cabbage | Transplant outdoors (fall) | Jun 16 – Jul 17 |
| Leaf lettuce | Sow outdoors (spring) | Apr 11 – Jun 27 |
| Leaf lettuce | Sow outdoors (fall) | Jun 16 – Aug 2 |
| Spinach | Sow outdoors (spring) | Apr 4 – May 18 |
| Spinach | Sow outdoors (fall) | Jul 3 – Aug 7 |
| Radishes | Sow outdoors (spring) | Apr 11 – Jun 1 |
| Radishes | Sow outdoors (fall) | Jun 16 – Aug 17 |
| Kale | Sow outdoors (spring) | Apr 28 – May 18 |
| Kale | Sow outdoors (fall) | Jun 9 – Jul 17 |
| Carrots | Sow outdoors (spring) | May 12 – Jun 27 |
| Carrots | Sow outdoors (fall) | May 17 – Jul 2 |
| Garlic | Plant outdoors (fall) | Sep 16 – Oct 17 |
Where these dates come from
ZIP code 58758 is matched to the NOAA station Harvey 4Ne, ND, 18.7 km away, at 1,611 ft elevation (7 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Harvey 4Ne, ND (used) | 1,611 ft | May 12 | Sep 26 |
| Drake 9 Ne, ND | 1,547 ft | May 12 | Sep 27 |
| Butte 5Se, ND | 1,720 ft | May 16 | Sep 28 |
| Fessenden, ND | 1,620 ft | May 13 | Sep 28 |
Frost dates near Martin
- Anamoose, ND 58710 · last May 12, first Sep 27
- Drake, ND 58736 · last May 12, first Sep 27
- Denhoff, ND 58430 · last May 8, first Oct 1
- Harvey, ND 58341 · last May 13, first Sep 28
- Goodrich, ND 58444 · last May 8, first Oct 1
- Balfour, ND 58712 · last May 12, first Sep 27
- Fessenden, ND 58438 · last May 13, first Sep 28
- Esmond, ND 58332 · last May 12, first Sep 26
Frequently asked questions
- When is the last frost in Martin, ND?
- For ZIP code 58758, the average last spring frost (32°F) is May 12, based on NOAA 1991-2020 climate normals for the Harvey 4Ne, ND weather station. There is a 1-in-10 chance of a frost after May 25.
- When is the first frost in Martin, ND?
- The average first fall frost (32°F) is September 26. There is a 1-in-10 chance of frost by September 14, so tender plants are at risk from that point on.
- How long is the growing season in 58758?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 135 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.