Frost dates for Tempe, Arizona
In a typical year, Tempe’s last spring frost lands around Feb 13 and the first fall frost around Dec 5, a growing season of about 295 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 9b.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Jan 12 | Nov 18 |
| 50 percent | Feb 13 | Dec 5 |
| 90 percent | Mar 9 | Dec 24 |
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 Tempe is typically around 88°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Tempe
- Parsley (Giant of Italy)
- Collards (Georgia Southern)
- Fennel (Solaris)
- Radicchio (Palla Rossa)
- Hot pepper (Ghost Pepper)
- Fava bean (Aquadulce)
- Escarole (Batavian Full Heart)
- Endive (Green Curled Endive)
Timing comes from the same temperature engine the app uses, run against Tempe’s normals for today.
Nearby cities
- Mesa, AZ (around Feb 13 to Dec 5)
- Chandler, AZ (around Feb 13 to Dec 5)
- Scottsdale, AZ (around Feb 13 to Dec 5)
- Phoenix, AZ (around Jan 21 to Dec 16)
- Gilbert, AZ (around Feb 1 to Dec 10)
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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