Trinity, FL planting zone & frost dates
Trinity 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 354 days.
Planting calendar for Trinity
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).
Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Dec 29 | Jan 20 | Feb 14 |
| First 32°F frost in fall is before | Feb 4 | Jan 9 | Dec 16 |
How to read it: in spring there is a 10% chance of a frost after February 14, so that is a safe date for tender plants. In fall there is a 10% chance of frost before December 16. A hard freeze (28°F) usually ends around January 15.
Nearby cities
- Elfers zone 10a, last frost Jan 20
- Holiday zone 10a, last frost Jan 20
- Keystone zone 9b, last frost Jan 20
- East Lake zone 10a, last frost Jan 20
- New Port Richey zone 10a, last frost Jan 20
- New Port Richey East zone 10a, last frost Jan 20
- Tarpon Springs zone 10a, last frost Jan 20
- Jasmine Estates zone 10a, last frost Jan 20
Questions
What growing zone is Trinity, FL?
Trinity 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 Trinity?
The average last spring frost (32°F) in Trinity is January 20. There is still a 10% chance of frost until February 14.
When can I plant tomatoes in Trinity?
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 Tarpon Spgs Sewage Plt, FL (USC00088824), 7.8 km (4.8 mi) from the city center, elevation 2 m, based on 24 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.