Frost dates for 72315Blytheville, AR
The average last spring frost in Blytheville is March 18 and the average first fall frost is November 14, giving a typical growing season of about 240 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 18
- Average first fall frost
- Nov 14
- Growing season
- 240 days
Safer after Apr 3 (1-in-10 risk)
Possible by Nov 1 (1-in-10 risk)
First frost typically in 11 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 14 · Mar 31 · Apr 14 | Oct 21 · Nov 3 · Nov 18 | 217 days | 100% |
| Frost / freeze (32°F) | Mar 2 · Mar 18 · Apr 3 | Nov 1 · Nov 14 · Dec 1 | 240 days | 100% |
| Hard freeze (28°F) | Feb 19 · Mar 8 · Mar 24 | Nov 9 · Nov 27 · Dec 15 | 262 days | 100% |
Planting calendar for Blytheville
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 15 – Apr 23 |
| Tomatoes | Transplant outdoors | Apr 3 – Jul 25 |
| Peppers | Start seeds indoors | Feb 15 – Mar 18 |
| Peppers | Transplant outdoors | Apr 17 – May 18 |
| Eggplant | Start seeds indoors | Mar 4 – Apr 2 |
| Eggplant | Transplant outdoors | Apr 17 – May 18 |
| Cucumbers | Sow outdoors | Apr 17 – Aug 4 |
| Summer squash | Sow outdoors | Apr 3 – May 18 |
| Winter squash & pumpkins | Sow outdoors | Apr 17 – May 18 |
| Snap beans | Sow outdoors | Apr 3 – Aug 27 |
| Sweet corn | Sow outdoors | Apr 3 – Jul 25 |
| Watermelon & cantaloupe | Sow outdoors | Apr 17 – May 18 |
| Okra | Sow outdoors | Apr 10 – May 3 |
| Peas | Sow outdoors (spring) | Feb 15 – Apr 2 |
| Potatoes | Plant outdoors (spring) | Feb 15 – Apr 17 |
| Onions | Start seeds indoors (spring) | Jan 4 – Jan 31 |
| Onions | Transplant outdoors (spring) | Mar 4 – Apr 2 |
| Broccoli | Start seeds indoors (spring) | Jan 28 – Mar 3 |
| Broccoli | Transplant outdoors (spring) | Mar 4 – Apr 2 |
| Broccoli | Start seeds indoors (fall) | Jul 15 – Jul 25 |
| Broccoli | Transplant outdoors (fall) | Aug 14 – Aug 25 |
| Cabbage | Start seeds indoors (spring) | Jan 18 – Feb 15 |
| Cabbage | Transplant outdoors (spring) | Feb 15 – Mar 18 |
| Cabbage | Start seeds indoors (fall) | Jul 5 – Aug 4 |
| Cabbage | Transplant outdoors (fall) | Aug 4 – Sep 4 |
| Leaf lettuce | Sow outdoors (spring) | Feb 15 – May 3 |
| Leaf lettuce | Sow outdoors (fall) | Aug 4 – Sep 20 |
| Spinach | Sow outdoors (spring) | Feb 8 – Mar 24 |
| Spinach | Sow outdoors (fall) | Aug 21 – Sep 25 |
| Radishes | Sow outdoors (spring) | Feb 15 – Apr 7 |
| Radishes | Sow outdoors (fall) | Aug 4 – Oct 5 |
| Kale | Sow outdoors (spring) | Mar 4 – Mar 24 |
| Kale | Sow outdoors (fall) | Jul 28 – Sep 4 |
| Carrots | Sow outdoors (spring) | Mar 18 – May 3 |
| Carrots | Sow outdoors (fall) | Jul 5 – Aug 20 |
| Garlic | Plant outdoors (fall) | Nov 4 – Dec 5 |
Where these dates come from
ZIP code 72315 is matched to the NOAA station Blytheville, AR, 1.4 km away, at 252 ft elevation (4 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Blytheville, AR (used) | 252 ft | Mar 18 | Nov 14 |
| Blytheville Muni Ap, AR | 255 ft | Mar 24 | Nov 6 |
| Keiser, AR | 232 ft | Mar 23 | Nov 6 |
| Kennett Radio Kboa, MO | 270 ft | Mar 31 | Nov 1 |
Frost dates near Blytheville
- Blytheville, AR 72316 · last Mar 18, first Nov 14
- Gosnell, AR 72319 · last Mar 18, first Nov 14
- Armorel, AR 72310 · last Mar 24, first Nov 6
- Burdette, AR 72321 · last Mar 18, first Nov 14
- Dell, AR 72426 · last Mar 18, first Nov 14
- Holland, MO 63853 · last Mar 24, first Nov 6
- Cooter, MO 63839 · last Mar 24, first Nov 6
- Luxora, AR 72358 · last Mar 23, first Nov 6
Frequently asked questions
- When is the last frost in Blytheville, AR?
- For ZIP code 72315, the average last spring frost (32°F) is March 18, based on NOAA 1991-2020 climate normals for the Blytheville, AR weather station. There is a 1-in-10 chance of a frost after April 3.
- When is the first frost in Blytheville, AR?
- The average first fall frost (32°F) is November 14. There is a 1-in-10 chance of frost by November 1, so tender plants are at risk from that point on.
- How long is the growing season in 72315?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 240 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.