Frost dates for Redding, California
In a typical year, Redding’s last spring frost lands around Feb 8 and the first fall frost around Dec 28, a growing season of about 323 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 64 days until the typical first fall frost.
| Odds | Last spring frost | First fall frost |
|---|---|---|
| 10 percent | Dec 26 | Dec 1 |
| 50 percent | Feb 8 | Dec 28 |
| 90 percent | Mar 28 | Feb 18 |
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 Redding 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 Redding
- Radish (Cherry Belle)
- Lettuce (Buttercrunch)
- Beet (Detroit Dark Red)
- Spinach (Space)
- Swiss chard (Bright Lights)
- Kale (Lacinato)
- Bok choy (Joi Choi)
- Pea (Sugar Ann)
Timing comes from the same temperature engine the app uses, run against Redding’s normals for today.
Common questions
When is the last frost in Redding, California?
Redding’s last spring frost falls around February 8 in a typical year. One year in ten it is done by December 26, and one year in ten frost holds on until March 28. Frost-sensitive planting usually waits for the late side of that band.
When is the first fall frost in Redding?
The first fall frost arrives around December 28 in a typical year, as early as December 1 in an early year and as late as February 18 in a late one.
How long is the growing season in Redding?
About 323 days, counted between the typical last spring frost and the typical first fall frost.
What USDA zone is Redding in?
Redding 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
- Chico, CA (around Mar 4 to Nov 17)
- Susanville, CA (around May 16 to Oct 8)
- Eureka, CA (around Feb 22 to Dec 7)
- Ukiah, CA (around Mar 19 to Nov 20)
- Klamath Falls, OR (around Jun 9 to Sep 18)
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