Frost dates for Plant City, FL
At Plant City, the median last spring frost (32°F) is Jan 30 and the median first fall frost is Jan 6, for a typical growing season of 335 days. For a 90% chance that the last frost has passed, wait until Mar 2. Nearby ZIP codes are in USDA hardiness zone 9b.
- Jan 30Last spring frost (median)50% chance of 32°F after this date
- Mar 2Safer planting date10% chance of 32°F after this date
- Jan 6First fall frost (median)50% chance of 32°F by this date
- 335 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 17 | Feb 16 | Mar 17 |
| 32°F | Dec 31 | Jan 30 | Mar 2 |
| 28°F | Dec 29 | Jan 20 | Feb 10 |
| 24°F | Dec 20 | Jan 9 | Jan 29 |
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 | Nov 27 | Dec 25 | Jan 22 |
| 32°F | Dec 8 | Jan 6 | Feb 5 |
| 28°F | Dec 19 | Jan 11 | Feb 4 |
| 24°F | Dec 20 | Jan 8 | Jan 27 |
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 | 269 days | 303 days | 336 days |
| 32°F | 302 days | 335 days | 365 days |
| 28°F | 332 days | 365 days | 365 days |
| 24°F | 357 days | 365 days | 365 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 98% |
| 32°F | 80% |
| 28°F | 40% |
| 24°F | 13% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 33563 | 9b | 25 to 30°F | 1 km |
| 33566 | 9b | 25 to 30°F | 6 km |
| 33565 | 9b | 25 to 30°F | 7 km |
| 33527 | 9b | 25 to 30°F | 9 km |
| 33567 | 9b | 25 to 30°F | 11 km |
| 33530 | 9b | 25 to 30°F | 13 km |
| 33594 | 9b | 25 to 30°F | 14 km |
| 33584 | 9b | 25 to 30°F | 15 km |
| 33592 | 9b | 25 to 30°F | 17 km |
| 33596 | 9b | 25 to 30°F | 17 km |
| 33550 | 9b | 25 to 30°F | 17 km |
| 33510 | 9b | 25 to 30°F | 17 km |
| 33511 | 9b | 25 to 30°F | 20 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 USC00087205, at 28.0208, -82.1386, elevation 34 m (110 ft).
- Data quality: Standard (24+ years of data), 28 years of freeze data.
- Average days per year at or below 32°F: 3.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Lakeland 2 (13 km)
- Bartow 1se (34 km)
- Saint Leo (37 km)
- Winter Haven Gilbert Airport (38 km)
- Winter Haven (40 km)
- Tampa Intl Airport (40 km)
- Tampa Bay Area WFO (44 km)
- Fort Green 12 WSW (50 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.