When to plant in Seminole, FL
USDA Zone 10bHere are the average frost dates, USDA hardiness zone, and a month-by-month planting calendar for Seminole, Florida — all computed from Seminole's nearest NOAA weather station.
Seminole's growing season is short at roughly -3 days, so succession planting is limited; lean on transplants over direct sowing for anything slow to mature. In zone 10b, frost is a minor factor for Seminole — most perennials thrive, and annual vegetables can go out early and stay late.
The average first fall frost in Seminole is now 7 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
ST PETERSBURG INTL AP · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Seminole’s own odds, recorded at ST PETERSBURG INTL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Feb 17 | Jan 23 | Jan 1 | Dec 22 | Jan 12 | Feb 6 |
| 32°F | Feb 6 | Jan 17 | Jan 1 | Dec 27 | Jan 14 | Feb 4 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in Seminole, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 27 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Seminole planting FAQ
When is the last spring frost in Seminole, FL?
Plan for the last spring frost in Seminole around January 17 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Seminole, FL?
The first fall frost in Seminole typically arrives around January 14 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is Seminole in?
Seminole is in USDA hardiness zone 10b. In zone 10b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Seminole?
Seminole has about -3 frost-free days — a short growing season — between the average last spring frost (January 17) and first fall frost (January 14).
When should I plant tomatoes in Seminole?
For Seminole, sow tomatoes indoors about November 22–December 6 and move the seedlings out around January 24, after the last spring frost.
Never miss a window in Seminole
An email when it’s time to start seeds, transplant, and sow — timed to Seminole’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Bardmoor · 3 km
- West Lealman · 5 km
- Largo · 7 km
- Pinellas Park · 8 km
- Lealman · 10 km
- Gulfport · 13 km
- Clearwater · 15 km
- St. Petersburg · 16 km
Frost dates recorded at ST PETERSBURG INTL AP, 12 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Seminole, FL — Frost Dates & Zone 10b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00012873. Retrieved from https://blissgarden.com/florida/seminole.