Frost dates for Old Hickory WFO, TN
At Old Hickory WFO, the median last spring frost (32°F) is Apr 1 and the median first fall frost is Nov 4, for a typical growing season of 216 days. For a 90% chance that the last frost has passed, wait until Apr 17. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 1Last spring frost (median)50% chance of 32°F after this date
- Apr 17Safer planting date10% chance of 32°F after this date
- Nov 4First fall frost (median)50% chance of 32°F by this date
- 216 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 29 | Apr 13 | Apr 30 |
| 32°F | Mar 17 | Apr 1 | Apr 17 |
| 28°F | Mar 2 | Mar 20 | Apr 6 |
| 24°F | Feb 19 | Mar 7 | Mar 28 |
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 15 | Oct 26 | Nov 7 |
| 32°F | Oct 23 | Nov 4 | Nov 20 |
| 28°F | Nov 2 | Nov 15 | Dec 2 |
| 24°F | Nov 9 | Nov 26 | Dec 16 |
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 | 175 days | 195 days | 215 days |
| 32°F | 198 days | 216 days | 239 days |
| 28°F | 219 days | 241 days | 265 days |
| 24°F | 239 days | 262 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 |
|---|---|---|---|
| 37138 | 7b | 5 to 10°F | 4 km |
| 37122 | 7b | 5 to 10°F | 10 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 USC00406806, at 36.2469, -86.5631, elevation 180 m (590 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 69.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Old Hickory Dam (10 km)
- Shelby Bottoms Nature (17 km)
- Nashville Berry Field (18 km)
- Nashville Intl Airport (18 km)
- Lebanon (22 km)
- White House (24 km)
- Gladeville (24 km)
- Goodlettsville 7wnw (26 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.