Gibsonton, FL planting zone & frost dates
Gibsonton is in USDA hardiness zone 10a. The last spring frost usually comes around January 20 and the first fall frost around January 9, for a growing season of about 357 days.
Planting calendar for Gibsonton
Dates are counted from the average last spring frost (January 20) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Nov 25 – Dec 9 Transplant outdoors: Jan 27 – Feb 3 |
| Peppers | Start seeds indoors: Nov 11 – Nov 25 Transplant outdoors: Feb 3 – Feb 10 |
| Eggplant | Start seeds indoors: Nov 11 – Nov 25 Transplant outdoors: Feb 3 – Feb 10 |
| Broccoli | Start seeds indoors: Nov 11 – Nov 25 Transplant outdoors: Dec 23 – Jan 6 |
| Cabbage | Start seeds indoors: Nov 11 – Nov 25 Transplant outdoors: Dec 23 – Jan 6 |
| Onions (sets) | Plant outdoors: Dec 23 – Jan 6 |
| Peas | Sow outdoors: Dec 9 – Dec 23 |
| Spinach | Sow outdoors: Dec 9 – Dec 23 |
| Lettuce | Sow outdoors: Dec 23 – Jan 6 |
| Carrots | Sow outdoors: Dec 23 – Jan 6 |
| Potatoes | Plant outdoors: Dec 23 – Jan 6 |
| Beans | Sow outdoors: Jan 27 – Feb 3 |
| Sweet corn | Sow outdoors: Jan 27 – Feb 3 |
| Cucumbers | Sow outdoors: Jan 27 – Feb 3 |
| Squash & zucchini | Sow outdoors: Jan 27 – Feb 3 |
| Basil | Start seeds indoors: Dec 9 – Dec 23 Transplant outdoors: Jan 27 – Feb 3 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Nov 14 (8 weeks before the average first fall frost on Jan 9).
Useful for zone 10a gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
- Shade cloth — for hot summers
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Dec 31 | Jan 20 | Feb 16 |
| First 32°F frost in fall is before | Feb 7 | Jan 9 | Dec 19 |
How to read it: in spring there is a 10% chance of a frost after February 16, so that is a safe date for tender plants. In fall there is a 10% chance of frost before December 19. A hard freeze (28°F) usually ends around January 17.
Hardiness zone by ZIP code in Gibsonton
- 33534 zone 10a
Nearby cities
- Riverview zone 10a, last frost Jan 20
- Palm River-Clair Mel zone 10a
- Apollo Beach zone 10a, last frost Jan 20
- Tampa zone 10a
- Brandon zone 9b, last frost Jan 30
- East Lake-Orient Park zone 9b
- Sun City Center zone 10a, last frost Jan 20
- Ruskin zone 10a, last frost Jan 20
Questions
What growing zone is Gibsonton, FL?
Gibsonton is in USDA Plant Hardiness Zone 10a (average extreme winter low 30°F to 35°F), according to the USDA 2023 map.
When is the last frost in Gibsonton?
The average last spring frost (32°F) in Gibsonton is January 20. There is still a 10% chance of frost until February 16.
When can I plant tomatoes in Gibsonton?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Jan 27 – Feb 3. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Tampa Bay Area Wfo, FL (USC00088782), 16.6 km (10.3 mi) from the city center, elevation 12 m, based on 26 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.