Frost dates for 58790Velva, ND
The average last spring frost in Velva is May 22 and the average first fall frost is September 22, giving a typical growing season of about 123 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 22
- Average first fall frost
- Sep 22
- Growing season
- 123 days
Safer after Jun 3 (1-in-10 risk)
Possible by Sep 10 (1-in-10 risk)
Last frost typically in 207 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 18 · May 31 · Jun 13 | Aug 30 · Sep 13 · Sep 23 | 105 days | 100% |
| Frost / freeze (32°F) | May 8 · May 22 · Jun 3 | Sep 10 · Sep 22 · Oct 1 | 123 days | 100% |
| Hard freeze (28°F) | Apr 29 · May 11 · May 26 | Sep 19 · Sep 30 · Oct 12 | 141 days | 100% |
Planting calendar for Velva
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 21 – Jun 27 |
| Tomatoes | Transplant outdoors | Jun 7 – Jun 2 |
| Peppers | Start seeds indoors | Apr 21 – May 22 |
| Peppers | Transplant outdoors | Jun 21 – Jul 22 |
| Eggplant | Start seeds indoors | May 8 – Jun 6 |
| Eggplant | Transplant outdoors | Jun 21 – Jul 22 |
| Cucumbers | Sow outdoors | Jun 21 – Jun 12 |
| Summer squash | Sow outdoors | Jun 7 – Jul 22 |
| Winter squash & pumpkins | Sow outdoors | Jun 21 – Jul 22 |
| Snap beans | Sow outdoors | Jun 7 – Jul 5 |
| Sweet corn | Sow outdoors | Jun 7 – Jun 2 |
| Watermelon & cantaloupe | Sow outdoors | Jun 21 – Jul 22 |
| Okra | Sow outdoors | Jun 14 – Jul 7 |
| Peas | Sow outdoors (spring) | Apr 21 – Jun 6 |
| Potatoes | Plant outdoors (spring) | Apr 21 – Jun 21 |
| Onions | Start seeds indoors (spring) | Mar 10 – Apr 6 |
| Onions | Transplant outdoors (spring) | May 8 – Jun 6 |
| Broccoli | Start seeds indoors (spring) | Apr 3 – May 7 |
| Broccoli | Transplant outdoors (spring) | May 8 – Jun 6 |
| Broccoli | Start seeds indoors (fall) | May 23 – Jun 2 |
| Broccoli | Transplant outdoors (fall) | Jun 22 – Jul 3 |
| Cabbage | Start seeds indoors (spring) | Mar 24 – Apr 21 |
| Cabbage | Transplant outdoors (spring) | Apr 21 – May 22 |
| Cabbage | Start seeds indoors (fall) | May 13 – Jun 12 |
| Cabbage | Transplant outdoors (fall) | Jun 12 – Jul 13 |
| Leaf lettuce | Sow outdoors (spring) | Apr 21 – Jul 7 |
| Leaf lettuce | Sow outdoors (fall) | Jun 12 – Jul 29 |
| Spinach | Sow outdoors (spring) | Apr 14 – May 28 |
| Spinach | Sow outdoors (fall) | Jun 29 – Aug 3 |
| Radishes | Sow outdoors (spring) | Apr 21 – Jun 11 |
| Radishes | Sow outdoors (fall) | Jun 12 – Aug 13 |
| Kale | Sow outdoors (spring) | May 8 – May 28 |
| Kale | Sow outdoors (fall) | Jun 5 – Jul 13 |
| Carrots | Sow outdoors (spring) | May 22 – Jul 7 |
| Carrots | Sow outdoors (fall) | May 13 – Jun 28 |
| Garlic | Plant outdoors (fall) | Sep 12 – Oct 13 |
Where these dates come from
ZIP code 58790 is matched to the NOAA station Velva, ND, 1 km away, at 1,510 ft elevation (81 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Velva, ND (used) | 1,510 ft | May 22 | Sep 22 |
| Granville, ND | 1,510 ft | May 9 | Oct 1 |
| Minot Exp Stn, ND | 1,769 ft | May 13 | Sep 27 |
| Minot Intl Ap, ND | 1,665 ft | May 10 | Oct 1 |
Frost dates near Velva
- Sawyer, ND 58781 · last May 22, first Sep 22
- Voltaire, ND 58792 · last May 22, first Sep 22
- Norwich, ND 58768 · last May 22, first Sep 22
- Granville, ND 58741 · last May 9, first Oct 1
- Surrey, ND 58785 · last May 10, first Oct 1
- Karlsruhe, ND 58744 · last May 12, first Sep 27
- Minot, ND 58701 · last May 10, first Oct 1
- Benedict, ND 58716 · last May 10, first Sep 28
Frequently asked questions
- When is the last frost in Velva, ND?
- For ZIP code 58790, the average last spring frost (32°F) is May 22, based on NOAA 1991-2020 climate normals for the Velva, ND weather station. There is a 1-in-10 chance of a frost after June 3.
- When is the first frost in Velva, ND?
- The average first fall frost (32°F) is September 22. There is a 1-in-10 chance of frost by September 10, so tender plants are at risk from that point on.
- How long is the growing season in 58790?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 123 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.