Frost dates for Carthage, TX
At Carthage, the median last spring frost (32°F) is Mar 8 and the median first fall frost is Nov 19, for a typical growing season of 255 days. For a 90% chance that the last frost has passed, wait until Mar 31. Nearby ZIP codes are in USDA hardiness zone 8b.
- Mar 8Last spring frost (median)50% chance of 32°F after this date
- Mar 31Safer planting date10% chance of 32°F after this date
- Nov 19First fall frost (median)50% chance of 32°F by this date
- 255 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 3 | Mar 25 | Apr 16 |
| 32°F | Feb 19 | Mar 8 | Mar 31 |
| 28°F | Jan 28 | Feb 24 | Mar 16 |
| 24°F | Jan 1 | Feb 1 | Mar 4 |
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 | Nov 26 |
| 32°F | Nov 2 | Nov 19 | Dec 8 |
| 28°F | Nov 10 | Dec 2 | Dec 29 |
| 24°F | Nov 20 | Dec 23 | Jan 22 |
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 | 205 days | 230 days | 255 days |
| 32°F | 227 days | 255 days | 283 days |
| 28°F | 254 days | 284 days | 320 days |
| 24°F | 286 days | 322 days | 357 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 94% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 75633 | 8b | 15 to 20°F | 7 km |
| 75631 | 8b | 15 to 20°F | 15 km |
| 75643 | 8b | 15 to 20°F | 17 km |
| 75639 | 8b | 15 to 20°F | 21 km |
| 75669 | 8b | 15 to 20°F | 25 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 USC00411500, at 32.1614, -94.3397, elevation 93 m (305 ft).
- Data quality: Standard (24+ years of data), 25 years of freeze data.
- Average days per year at or below 32°F: 39.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Longview WSMO (36 km)
- Marshall (36 km)
- Hallsville 4 S (40 km)
- Center (43 km)
- Longview E Tx Regional Airport (43 km)
- Henderson (43 km)
- Longview (50 km)
- Longview #2 (53 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.