Frost dates for Alexandria 5 SSE, LA
At Alexandria 5 SSE, the median last spring frost (32°F) is Mar 3 and the median first fall frost is Nov 22, for a typical growing season of 263 days. For a 90% chance that the last frost has passed, wait until Mar 24. Nearby ZIP codes are in USDA hardiness zone 9a.
- Mar 3Last spring frost (median)50% chance of 32°F after this date
- Mar 24Safer planting date10% chance of 32°F after this date
- Nov 22First fall frost (median)50% chance of 32°F by this date
- 263 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 | Feb 26 | Mar 19 | Apr 7 |
| 32°F | Feb 4 | Mar 3 | Mar 24 |
| 28°F | Jan 13 | Feb 16 | Mar 13 |
| 24°F | Dec 27 | Jan 28 | Mar 1 |
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 26 | Nov 8 | Dec 1 |
| 32°F | Nov 3 | Nov 22 | Dec 11 |
| 28°F | Nov 15 | Dec 7 | Jan 6 |
| 24°F | Dec 1 | Dec 29 | Jan 29 |
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 | 210 days | 236 days | 265 days |
| 32°F | 236 days | 263 days | 297 days |
| 28°F | 260 days | 298 days | 334 days |
| 24°F | 297 days | 334 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 99% |
| 24°F | 85% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 71301 | 9a | 20 to 25°F | 3 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 USC00160103, at 31.2489, -92.4489, elevation 26 m (85 ft).
- Data quality: Representative (10+ years), 23 years of freeze data.
- Average days per year at or below 32°F: 34.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Alexandria (8 km)
- Lsu Dean Lee Rsch Station (9 km)
- Alexandria Intl Airport (14 km)
- Alexandria Esler Regional Airport (22 km)
- Boyce 3 WNW (30 km)
- Bunkie (41 km)
- Fort Polk Fullerton Lndg Strip (50 km)
- Elizabeth (55 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.