Frost dates for Irvine, California
In a typical year, Irvine’s last spring frost lands around Jan 5 and the first fall frost around Dec 25, a growing season of about 354 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 10b.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Dec 14 | Dec 3 |
| 50 percent | Jan 5 | Dec 25 |
| 90 percent | Feb 2 | Jan 20 |
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 Irvine is typically around 73°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Irvine
- Beet (Detroit Dark Red)
- Spinach (Space)
- Onion (Vidalia)
- Swiss chard (Bright Lights)
- Parsley (Giant of Italy)
- Kale (Lacinato)
- Dill (Bouquet)
- Chives (Common Chives)
Timing comes from the same temperature engine the app uses, run against Irvine’s normals for today.
Nearby cities
- Santa Ana, CA (around Jan 5 to Dec 25)
- Orange, CA (around Jan 5 to Dec 25)
- Huntington Beach, CA (around Jan 5 to Dec 25)
- Garden Grove, CA (around Jan 5 to Dec 25)
- Anaheim, CA (around Jan 5 to Dec 25)
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.
Set up your garden