Frost dates for Dennard 10 WSW, AR
At Dennard 10 WSW, the median last spring frost (32°F) is Apr 4 and the median first fall frost is Nov 2, for a typical growing season of 212 days. For a 90% chance that the last frost has passed, wait until Apr 20. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 4Last spring frost (median)50% chance of 32°F after this date
- Apr 20Safer planting date10% chance of 32°F after this date
- Nov 2First fall frost (median)50% chance of 32°F by this date
- 212 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 31 | Apr 16 | May 1 |
| 32°F | Mar 18 | Apr 4 | Apr 20 |
| 28°F | Mar 6 | Mar 23 | Apr 8 |
| 24°F | Feb 23 | Mar 10 | Mar 29 |
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 9 | Oct 22 | Nov 5 |
| 32°F | Oct 19 | Nov 2 | Nov 21 |
| 28°F | Oct 31 | Nov 16 | Dec 4 |
| 24°F | Nov 8 | Nov 29 | Dec 19 |
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 | 165 days | 188 days | 210 days |
| 32°F | 190 days | 212 days | 237 days |
| 28°F | 213 days | 238 days | 263 days |
| 24°F | 234 days | 261 days | 288 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 |
|---|---|---|---|
| 72679 | 7b | 5 to 10°F | 10 km |
| 72629 | 7b | 5 to 10°F | 12 km |
| 72031 | 7b | 5 to 10°F | 21 km |
| 72141 | 7b | 5 to 10°F | 22 km |
| 72843 | 7b | 5 to 10°F | 24 km |
| 72686 | 7b | 5 to 10°F | 28 km |
| 72028 | 7b | 5 to 10°F | 31 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 USC00031935, at 35.7214, -92.6961, elevation 530 m (1,740 ft).
- Data quality: Estimated from nearby stations (2+ years), 4 years of freeze data.
- Average days per year at or below 32°F: 78.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Marshall (21 km)
- Gilbert (30 km)
- Deer (47 km)
- Mountain View (56 km)
- Greenbrier (61 km)
- Russellville Muni Airport (63 km)
- Morrilton (63 km)
- Harrison (64 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.