Frost dates for Martin U Of T Branch E, TN
At Martin U Of T Branch E, the median last spring frost (32°F) is Apr 4 and the median first fall frost is Oct 28, for a typical growing season of 204 days. For a 90% chance that the last frost has passed, wait until Apr 21. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 4Last spring frost (median)50% chance of 32°F after this date
- Apr 21Safer planting date10% chance of 32°F after this date
- Oct 28First fall frost (median)50% chance of 32°F by this date
- 204 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 | Apr 1 | Apr 16 | May 1 |
| 32°F | Mar 20 | Apr 4 | Apr 21 |
| 28°F | Mar 8 | Mar 26 | Apr 9 |
| 24°F | Feb 26 | Mar 17 | Apr 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 7 | Oct 19 | Oct 31 |
| 32°F | Oct 15 | Oct 28 | Nov 10 |
| 28°F | Oct 24 | Nov 6 | Nov 25 |
| 24°F | Nov 1 | Nov 18 | Dec 9 |
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 | 166 days | 185 days | 203 days |
| 32°F | 184 days | 204 days | 225 days |
| 28°F | 203 days | 226 days | 249 days |
| 24°F | 222 days | 247 days | 277 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 |
|---|---|---|---|
| 38237 | 7b | 5 to 10°F | 3 km |
| 38255 | 7b | 5 to 10°F | 12 km |
| 38257 | 7b | 5 to 10°F | 13 km |
| 38369 | 7b | 5 to 10°F | 25 km |
| 42085 | 7b | 5 to 10°F | 26 km |
| 42088 | 7b | 5 to 10°F | 32 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 USC00405681, at 36.3444, -88.8636, elevation 104 m (340 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 82.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Dresden (16 km)
- Union City (16 km)
- Samburg Wr (41 km)
- Milan Exp. Station (47 km)
- Paris 2 SE (51 km)
- Huntingdon Water Plant (55 km)
- Dyersburg III Golf (62 km)
- Dyersburg (62 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.