Frost dates for 72004Altheimer, AR
The average last spring frost in Altheimer is March 13 and the average first fall frost is November 13, giving a typical growing season of about 243 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 13
- Average first fall frost
- Nov 13
- Growing season
- 243 days
Safer after Apr 1 (1-in-10 risk)
Possible by Oct 28 (1-in-10 risk)
First frost typically in 17 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 8 · Mar 29 · Apr 13 | Oct 18 · Nov 1 · Nov 17 | 218 days | 100% |
| Frost / freeze (32°F) | Feb 25 · Mar 13 · Apr 1 | Oct 28 · Nov 13 · Nov 29 | 243 days | 100% |
| Hard freeze (28°F) | Feb 6 · Feb 28 · Mar 20 | Nov 7 · Nov 26 · Dec 17 | 270 days | 100% |
Planting calendar for Altheimer
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 | Feb 10 – Apr 18 |
| Tomatoes | Transplant outdoors | Mar 29 – Jul 24 |
| Peppers | Start seeds indoors | Feb 10 – Mar 13 |
| Peppers | Transplant outdoors | Apr 12 – May 13 |
| Eggplant | Start seeds indoors | Feb 27 – Mar 28 |
| Eggplant | Transplant outdoors | Apr 12 – May 13 |
| Cucumbers | Sow outdoors | Apr 12 – Aug 3 |
| Summer squash | Sow outdoors | Mar 29 – May 13 |
| Winter squash & pumpkins | Sow outdoors | Apr 12 – May 13 |
| Snap beans | Sow outdoors | Mar 29 – Aug 26 |
| Sweet corn | Sow outdoors | Mar 29 – Jul 24 |
| Watermelon & cantaloupe | Sow outdoors | Apr 12 – May 13 |
| Okra | Sow outdoors | Apr 5 – Apr 28 |
| Peas | Sow outdoors (spring) | Feb 10 – Mar 28 |
| Potatoes | Plant outdoors (spring) | Feb 10 – Apr 12 |
| Onions | Start seeds indoors (spring) | Dec 30 – Jan 26 |
| Onions | Transplant outdoors (spring) | Feb 27 – Mar 28 |
| Broccoli | Start seeds indoors (spring) | Jan 23 – Feb 26 |
| Broccoli | Transplant outdoors (spring) | Feb 27 – Mar 28 |
| Broccoli | Start seeds indoors (fall) | Jul 14 – Jul 24 |
| Broccoli | Transplant outdoors (fall) | Aug 13 – Aug 24 |
| Cabbage | Start seeds indoors (spring) | Jan 13 – Feb 10 |
| Cabbage | Transplant outdoors (spring) | Feb 10 – Mar 13 |
| Cabbage | Start seeds indoors (fall) | Jul 4 – Aug 3 |
| Cabbage | Transplant outdoors (fall) | Aug 3 – Sep 3 |
| Leaf lettuce | Sow outdoors (spring) | Feb 10 – Apr 28 |
| Leaf lettuce | Sow outdoors (fall) | Aug 3 – Sep 19 |
| Spinach | Sow outdoors (spring) | Feb 3 – Mar 19 |
| Spinach | Sow outdoors (fall) | Aug 20 – Sep 24 |
| Radishes | Sow outdoors (spring) | Feb 10 – Apr 2 |
| Radishes | Sow outdoors (fall) | Aug 3 – Oct 4 |
| Kale | Sow outdoors (spring) | Feb 27 – Mar 19 |
| Kale | Sow outdoors (fall) | Jul 27 – Sep 3 |
| Carrots | Sow outdoors (spring) | Mar 13 – Apr 28 |
| Carrots | Sow outdoors (fall) | Jul 4 – Aug 19 |
| Garlic | Plant outdoors (fall) | Nov 3 – Dec 4 |
Where these dates come from
ZIP code 72004 is matched to the NOAA station Pine Bluff Grider Fld, AR, 17.5 km away, at 207 ft elevation (10 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Pine Bluff Grider Fld, AR (used) | 207 ft | Mar 13 | Nov 13 |
| Pine Bluff, AR | 230 ft | Mar 14 | Nov 16 |
| Keo, AR | 231 ft | Mar 21 | Nov 9 |
| Stuttgart 9 Ese, AR | 198 ft | Mar 11 | Nov 17 |
Frost dates near Altheimer
- Wabbaseka, AR 72175 · last Mar 13, first Nov 13
- Pine Bluff, AR 71611 · last Mar 14, first Nov 16
- Sherrill, AR 72152 · last Mar 14, first Nov 16
- Tucker, AR 72168 · last Mar 21, first Nov 9
- Humphrey, AR 72073 · last Mar 11, first Nov 17
- Moscow, AR 71659 · last Mar 13, first Nov 13
- Humnoke, AR 72072 · last Mar 21, first Nov 9
- White Hall, AR 71602 · last Mar 14, first Nov 16
Frequently asked questions
- When is the last frost in Altheimer, AR?
- For ZIP code 72004, the average last spring frost (32°F) is March 13, based on NOAA 1991-2020 climate normals for the Pine Bluff Grider Fld, AR weather station. There is a 1-in-10 chance of a frost after April 1.
- When is the first frost in Altheimer, AR?
- The average first fall frost (32°F) is November 13. There is a 1-in-10 chance of frost by October 28, so tender plants are at risk from that point on.
- How long is the growing season in 72004?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 243 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.