Frost dates for Roseville, California
In a typical year, Roseville’s last spring frost lands around Jan 12 and the first fall frost around Dec 16, a growing season of about 338 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 9b.
Right now the growing season is open, with about 52 days until the typical first fall frost.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Dec 18 | Nov 28 |
| 50 percent | Jan 12 | Dec 16 |
| 90 percent | Feb 8 | Jan 14 |
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 Roseville is typically around 64°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.
Plantable now in Roseville
- Radish (Cherry Belle)
- Spinach (Space)
- Lettuce (Black Seeded Simpson)
- Swiss chard (Fordhook Giant)
- Dill (Bouquet)
- Turnip (Purple Top White Globe)
- Arugula (Astro)
- Mustard greens (Red Giant)
Timing comes from the same temperature engine the app uses, run against Roseville’s normals for today.
Common questions
When is the last frost in Roseville, California?
Roseville’s last spring frost falls around January 12 in a typical year. One year in ten it is done by December 18, and one year in ten frost holds on until February 8. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Roseville?
The first fall frost arrives around December 16 in a typical year, as early as November 28 in an early year and as late as January 14 in a late one.
How long is the growing season in Roseville?
About 338 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Roseville in?
Roseville is in USDA hardiness zone 9b 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
- Sacramento, CA (around Feb 2 to Dec 2)
- Elk Grove, CA (around Feb 2 to Dec 2)
- Fairfield, CA (around Jan 15 to Dec 14)
- Stockton, CA (around Feb 5 to Dec 8)
- Concord, CA (around Jan 9 to Dec 14)
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