Frost dates for Key West, Florida
In a typical year, Key West’s last spring frost lands around Jan 16 and the first fall frost around Jan 14, a growing season of about 363 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 11b.
Right now the growing season is open, with about 81 days until the typical first fall frost.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Jan 1 | Jan 1 |
| 50 percent | Jan 16 | Jan 14 |
| 90 percent | Feb 3 | Feb 1 |
A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.
Soil in Key West is typically around 77°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Key West
- Eggplant (Black Beauty)
- Basil (Genovese)
- Hot pepper (Jalapeño)
- Tomato (Sungold)
- Zucchini (Black Beauty)
- Bush bean (Blue Lake Bush 274)
- Sweet pepper (California Wonder)
- Okra (Clemson Spineless)
Timing comes from the same temperature engine the app uses, run against Key West’s normals for today.
Common questions
When is the last frost in Key West, Florida?
Key West’s last spring frost falls around January 16 in a typical year. One year in ten it is done by January 1, and one year in ten frost holds on until February 3. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Key West?
The first fall frost arrives around January 14 in a typical year, as early as January 1 in an early year and as late as February 1 in a late one.
How long is the growing season in Key West?
About 363 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Key West in?
Key West is in USDA hardiness zone 11b under the 2023 USDA Plant Hardiness Zone Map.
Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.
Nearby cities
- Marco Island, FL (around Jan 18 to Jan 11)
- Hialeah, FL (around Jan 18 to Jan 13)
- Miami, FL (around Jan 18 to Jan 13)
- Pembroke Pines, FL (around Jan 18 to Jan 13)
- Hollywood, FL (around Jan 22 to Jan 17)
Row & Bed is a plant reference built around your garden: your zone, your frost dates, your forecast, and a cited page for every variety in your beds.
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