Frost dates for 68738Hadar, NE
The average last spring frost in Hadar is May 1 and the average first fall frost is October 4, giving a typical growing season of about 156 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- May 1
- Average first fall frost
- Oct 4
- Growing season
- 156 days
Safer after May 16 (1-in-10 risk)
Possible by Sep 22 (1-in-10 risk)
Last frost typically in 186 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) | Apr 28 · May 9 · May 24 | Sep 15 · Sep 27 · Oct 8 | 140 days | 100% |
| Frost / freeze (32°F) | Apr 16 · May 1 · May 16 | Sep 22 · Oct 4 · Oct 18 | 156 days | 100% |
| Hard freeze (28°F) | Apr 6 · Apr 21 · May 5 | Sep 28 · Oct 15 · Oct 27 | 176 days | 100% |
Planting calendar for Hadar
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 | Mar 31 – Jun 6 |
| Tomatoes | Transplant outdoors | May 17 – Jun 14 |
| Peppers | Start seeds indoors | Mar 31 – May 1 |
| Peppers | Transplant outdoors | May 31 – Jul 1 |
| Eggplant | Start seeds indoors | Apr 17 – May 16 |
| Eggplant | Transplant outdoors | May 31 – Jul 1 |
| Cucumbers | Sow outdoors | May 31 – Jun 24 |
| Summer squash | Sow outdoors | May 17 – Jul 1 |
| Winter squash & pumpkins | Sow outdoors | May 31 – Jul 1 |
| Snap beans | Sow outdoors | May 17 – Jul 17 |
| Sweet corn | Sow outdoors | May 17 – Jun 14 |
| Watermelon & cantaloupe | Sow outdoors | May 31 – Jul 1 |
| Okra | Sow outdoors | May 24 – Jun 16 |
| Peas | Sow outdoors (spring) | Mar 31 – May 16 |
| Potatoes | Plant outdoors (spring) | Mar 31 – May 31 |
| Onions | Start seeds indoors (spring) | Feb 17 – Mar 16 |
| Onions | Transplant outdoors (spring) | Apr 17 – May 16 |
| Broccoli | Start seeds indoors (spring) | Mar 13 – Apr 16 |
| Broccoli | Transplant outdoors (spring) | Apr 17 – May 16 |
| Broccoli | Start seeds indoors (fall) | Jun 4 – Jun 14 |
| Broccoli | Transplant outdoors (fall) | Jul 4 – Jul 15 |
| Cabbage | Start seeds indoors (spring) | Mar 3 – Mar 31 |
| Cabbage | Transplant outdoors (spring) | Mar 31 – May 1 |
| Cabbage | Start seeds indoors (fall) | May 25 – Jun 24 |
| Cabbage | Transplant outdoors (fall) | Jun 24 – Jul 25 |
| Leaf lettuce | Sow outdoors (spring) | Mar 31 – Jun 16 |
| Leaf lettuce | Sow outdoors (fall) | Jun 24 – Aug 10 |
| Spinach | Sow outdoors (spring) | Mar 24 – May 7 |
| Spinach | Sow outdoors (fall) | Jul 11 – Aug 15 |
| Radishes | Sow outdoors (spring) | Mar 31 – May 21 |
| Radishes | Sow outdoors (fall) | Jun 24 – Aug 25 |
| Kale | Sow outdoors (spring) | Apr 17 – May 7 |
| Kale | Sow outdoors (fall) | Jun 17 – Jul 25 |
| Carrots | Sow outdoors (spring) | May 1 – Jun 16 |
| Carrots | Sow outdoors (fall) | May 25 – Jul 10 |
| Garlic | Plant outdoors (fall) | Sep 24 – Oct 25 |
Where these dates come from
ZIP code 68738 is matched to the NOAA station Norfolk 4W, NE, 9 km away, at 1,545 ft elevation (7 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Norfolk 4W, NE (used) | 1,545 ft | May 1 | Oct 4 |
| Norfolk Karl Stefan Ap, NE | 1,551 ft | Apr 30 | Oct 5 |
| Stanton 7Ne, NE | 1,580 ft | Apr 30 | Oct 7 |
| Stanton, NE | 1,540 ft | Apr 28 | Oct 9 |
Frost dates near Hadar
- Norfolk, NE 68701 · last May 1, first Oct 4
- Pierce, NE 68767 · last May 1, first Oct 4
- Hoskins, NE 68740 · last Apr 30, first Oct 7
- Battle Creek, NE 68715 · last May 1, first Oct 4
- Winside, NE 68790 · last Apr 30, first Oct 7
- Meadow Grove, NE 68752 · last May 4, first Oct 4
- Carroll, NE 68723 · last Apr 29, first Oct 11
- Stanton, NE 68779 · last Apr 30, first Oct 7
Frequently asked questions
- When is the last frost in Hadar, NE?
- For ZIP code 68738, the average last spring frost (32°F) is May 1, based on NOAA 1991-2020 climate normals for the Norfolk 4W, NE weather station. There is a 1-in-10 chance of a frost after May 16.
- When is the first frost in Hadar, NE?
- The average first fall frost (32°F) is October 4. There is a 1-in-10 chance of frost by September 22, so tender plants are at risk from that point on.
- How long is the growing season in 68738?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 156 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.