Frost dates for Blytheville, AR
At Blytheville, the median last spring frost (32°F) is Mar 18 and the median first fall frost is Nov 14, for a typical growing season of 240 days. For a 90% chance that the last frost has passed, wait until Apr 3. Nearby ZIP codes are in USDA hardiness zone 8a.
- Mar 18Last spring frost (median)50% chance of 32°F after this date
- Apr 3Safer planting date10% chance of 32°F after this date
- Nov 14First fall frost (median)50% chance of 32°F by this date
- 240 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 36°F | Mar 14 | Mar 31 | Apr 14 |
| 32°F | Mar 2 | Mar 18 | Apr 3 |
| 28°F | Feb 19 | Mar 8 | Mar 24 |
| 24°F | Feb 3 | Feb 27 | Mar 16 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 36°F | Oct 21 | Nov 3 | Nov 18 |
| 32°F | Nov 1 | Nov 14 | Dec 1 |
| 28°F | Nov 9 | Nov 27 | Dec 15 |
| 24°F | Nov 20 | Dec 9 | Jan 2 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 198 days | 217 days | 238 days |
| 32°F | 218 days | 240 days | 263 days |
| 28°F | 236 days | 262 days | 289 days |
| 24°F | 259 days | 286 days | 317 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 72315 | 8a | 10 to 15°F | 3 km |
| 72426 | 8a | 10 to 15°F | 14 km |
| 72358 | 8a | 10 to 15°F | 15 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00030806, at 35.9239, -89.9044, elevation 77 m (252 ft).
- Data quality: Representative (10+ years), 21 years of freeze data.
- Average days per year at or below 32°F: 58.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Blytheville Muni Airport (7 km)
- Keiser (32 km)
- Paragould 1s (55 km)
- Jonesboro Muni Airport (68 km)
- Jonesboro 2 NE (68 km)
- Corning (82 km)
- Poinsett State Park (83 km)
- W Memphis (92 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.