Frost dates for 71945Hatfield, AR
The average last spring frost in Hatfield is April 5 and the average first fall frost is November 1, giving a typical growing season of about 208 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 5
- Average first fall frost
- Nov 1
- Growing season
- 208 days
Safer after Apr 24 (1-in-10 risk)
Possible by Oct 18 (1-in-10 risk)
First frost typically in 5 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) | Mar 31 · Apr 17 · May 1 | Oct 10 · Oct 23 · Nov 5 | 187 days | 100% |
| Frost / freeze (32°F) | Mar 15 · Apr 5 · Apr 24 | Oct 18 · Nov 1 · Nov 16 | 208 days | 100% |
| Hard freeze (28°F) | Feb 28 · Mar 22 · Apr 10 | Oct 28 · Nov 10 · Nov 29 | 232 days | 100% |
Planting calendar for Hatfield
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 5 – May 11 |
| Tomatoes | Transplant outdoors | Apr 21 – Jul 12 |
| Peppers | Start seeds indoors | Mar 5 – Apr 5 |
| Peppers | Transplant outdoors | May 5 – Jun 5 |
| Eggplant | Start seeds indoors | Mar 22 – Apr 20 |
| Eggplant | Transplant outdoors | May 5 – Jun 5 |
| Cucumbers | Sow outdoors | May 5 – Jul 22 |
| Summer squash | Sow outdoors | Apr 21 – Jun 5 |
| Winter squash & pumpkins | Sow outdoors | May 5 – Jun 5 |
| Snap beans | Sow outdoors | Apr 21 – Aug 14 |
| Sweet corn | Sow outdoors | Apr 21 – Jul 12 |
| Watermelon & cantaloupe | Sow outdoors | May 5 – Jun 5 |
| Okra | Sow outdoors | Apr 28 – May 21 |
| Peas | Sow outdoors (spring) | Mar 5 – Apr 20 |
| Potatoes | Plant outdoors (spring) | Mar 5 – May 5 |
| Onions | Start seeds indoors (spring) | Jan 22 – Feb 18 |
| Onions | Transplant outdoors (spring) | Mar 22 – Apr 20 |
| Broccoli | Start seeds indoors (spring) | Feb 15 – Mar 21 |
| Broccoli | Transplant outdoors (spring) | Mar 22 – Apr 20 |
| Broccoli | Start seeds indoors (fall) | Jul 2 – Jul 12 |
| Broccoli | Transplant outdoors (fall) | Aug 1 – Aug 12 |
| Cabbage | Start seeds indoors (spring) | Feb 5 – Mar 5 |
| Cabbage | Transplant outdoors (spring) | Mar 5 – Apr 5 |
| Cabbage | Start seeds indoors (fall) | Jun 22 – Jul 22 |
| Cabbage | Transplant outdoors (fall) | Jul 22 – Aug 22 |
| Leaf lettuce | Sow outdoors (spring) | Mar 5 – May 21 |
| Leaf lettuce | Sow outdoors (fall) | Jul 22 – Sep 7 |
| Spinach | Sow outdoors (spring) | Feb 26 – Apr 11 |
| Spinach | Sow outdoors (fall) | Aug 8 – Sep 12 |
| Radishes | Sow outdoors (spring) | Mar 5 – Apr 25 |
| Radishes | Sow outdoors (fall) | Jul 22 – Sep 22 |
| Kale | Sow outdoors (spring) | Mar 22 – Apr 11 |
| Kale | Sow outdoors (fall) | Jul 15 – Aug 22 |
| Carrots | Sow outdoors (spring) | Apr 5 – May 21 |
| Carrots | Sow outdoors (fall) | Jun 22 – Aug 7 |
| Garlic | Plant outdoors (fall) | Oct 22 – Nov 22 |
Where these dates come from
ZIP code 71945 is matched to the NOAA station Mena, AR, 14.3 km away, at 1,152 ft elevation (174 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Mena, AR (used) | 1,152 ft | Apr 5 | Nov 1 |
| Smithville, OK | 822 ft | Apr 9 | Oct 29 |
| Big Fk 1 Sse, AR | 1,200 ft | Mar 26 | Nov 12 |
| De Queen Sevier Co Ap, AR | 355 ft | Mar 26 | Nov 5 |
Frost dates near Hatfield
- Cove, AR 71937 · last Apr 5, first Nov 1
- Vandervoort, AR 71972 · last Apr 5, first Nov 1
- Mena, AR 71953 · last Apr 5, first Nov 1
- Watson, OK 74963 · last Apr 9, first Oct 29
- Wickes, AR 71973 · last Apr 5, first Nov 1
- Board Camp, AR 71932 · last Mar 26, first Nov 12
- Grannis, AR 71944 · last Mar 29, first Nov 5
- Smithville, OK 74957 · last Apr 9, first Oct 29
Frequently asked questions
- When is the last frost in Hatfield, AR?
- For ZIP code 71945, the average last spring frost (32°F) is April 5, based on NOAA 1991-2020 climate normals for the Mena, AR weather station. There is a 1-in-10 chance of a frost after April 24.
- When is the first frost in Hatfield, AR?
- The average first fall frost (32°F) is November 1. There is a 1-in-10 chance of frost by October 18, so tender plants are at risk from that point on.
- How long is the growing season in 71945?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 208 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.