Frost dates for Shelby Bottoms Nature, TN
At Shelby Bottoms Nature, the median last spring frost (32°F) is Apr 1 and the median first fall frost is Oct 31, for a typical growing season of 213 days. For a 90% chance that the last frost has passed, wait until Apr 16. Nearby ZIP codes are in USDA hardiness zone 7b.
- Apr 1Last spring frost (median)50% chance of 32°F after this date
- Apr 16Safer planting date10% chance of 32°F after this date
- Oct 31First fall frost (median)50% chance of 32°F by this date
- 213 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 14 | May 4 |
| 32°F | Mar 16 | Apr 1 | Apr 16 |
| 28°F | Mar 2 | Mar 20 | Apr 5 |
| 24°F | Feb 19 | Mar 8 | Mar 27 |
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 3 |
| 32°F | Oct 18 | Oct 31 | Nov 13 |
| 28°F | Oct 26 | Nov 9 | Nov 25 |
| 24°F | Nov 5 | Nov 22 | Dec 10 |
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 | 168 days | 190 days | 210 days |
| 32°F | 192 days | 213 days | 232 days |
| 28°F | 212 days | 235 days | 260 days |
| 24°F | 232 days | 258 days | 282 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 |
|---|---|---|---|
| 37206 | 7b | 5 to 10°F | 2 km |
| 37210 | 7b | 5 to 10°F | 2 km |
| 37213 | 7b | 5 to 10°F | 4 km |
| 37201 | 7b | 5 to 10°F | 5 km |
| 37238 | 7b | 5 to 10°F | 5 km |
| 37219 | 7b | 5 to 10°F | 5 km |
| 37216 | 7b | 5 to 10°F | 5 km |
| 37214 | 7b | 5 to 10°F | 6 km |
| 37203 | 7b | 5 to 10°F | 6 km |
| 37208 | 7b | 5 to 10°F | 8 km |
| 37212 | 7b | 5 to 10°F | 8 km |
| 37228 | 7b | 5 to 10°F | 8 km |
| 37207 | 7b | 5 to 10°F | 9 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 USC00408238, at 36.1661, -86.7247, elevation 123 m (405 ft).
- Data quality: Representative (10+ years), 11 years of freeze data.
- Average days per year at or below 32°F: 76.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Nashville Intl Airport (6 km)
- Nashville Berry Field (7 km)
- Old Hickory Dam (16 km)
- Old Hickory WFO (17 km)
- Warner Park (20 km)
- Brentwood (20 km)
- Goodlettsville 7wnw (22 km)
- Franklin Sewage Plant (28 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.