Frost dates for Bartow 1se, FL
At Bartow 1se, the median last spring frost (32°F) is Jan 24 and the median first fall frost is Jan 7, for a typical growing season of 352 days. For a 90% chance that the last frost has passed, wait until Feb 20. Nearby ZIP codes are in USDA hardiness zone 10a.
- Jan 24Last spring frost (median)50% chance of 32°F after this date
- Feb 20Safer planting date10% chance of 32°F after this date
- Jan 7First fall frost (median)50% chance of 32°F by this date
- 352 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 | Jan 9 | Feb 6 | Mar 7 |
| 32°F | Dec 27 | Jan 24 | Feb 20 |
| 28°F | Dec 26 | Jan 19 | Feb 8 |
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 | Dec 2 | Dec 30 | Jan 28 |
| 32°F | Dec 17 | Jan 7 | Feb 6 |
| 28°F | Dec 25 | Jan 11 | Feb 6 |
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 | 284 days | 319 days | 355 days |
| 32°F | 315 days | 352 days | 365 days |
| 28°F | 339 days | 365 days | 365 days |
| 24°F | 365 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 95% |
| 32°F | 65% |
| 28°F | 23% |
| 24°F | 3% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 33830 | 10a | 30 to 35°F | 2 km |
| 33847 | 10a | 30 to 35°F | 9 km |
| 33812 | 10a | 30 to 35°F | 11 km |
| 33835 | 10a | 30 to 35°F | 18 km |
| 33841 | 10a | 30 to 35°F | 18 km |
| 33860 | 10a | 30 to 35°F | 19 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 USC00080478, at 27.8861, -81.8325, elevation 34 m (111 ft).
- Data quality: Standard (24+ years of data), 25 years of freeze data.
- Average days per year at or below 32°F: 2.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Winter Haven (17 km)
- Winter Haven Gilbert Airport (21 km)
- Lakeland 2 (21 km)
- Mountain Lake (24 km)
- Plant City (34 km)
- Wauchula (38 km)
- Avon Park 2 W (44 km)
- Fort Green 12 WSW (46 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.