Whiskeytown, CA frost dates
Frost is light and occasional here — typically a few cold nights around midwinter (about 20 a year). Cover tender plants when frost is forecast.
How Whiskeytown compares
- In a typical year, frost nights in Whiskeytown fall between December 13 and February 13. In 1 year in 10 the first frost comes as early as November 20, or the last frost as late as March 25.
- Compared with Redding, CA, 17 km away, the last frost here is 5 days later than there.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | December 30 |
| 50% (median) | February 13 |
| 10% (safe for tender plants) | March 25 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 20 |
| 50% (median) | December 13 |
| 90% (late) | January 19 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Whiskeytown, CA
Whiskeytown, CA frost dates — last frost Feb 13, first frost Dec 13, zone 9b. whenisthelastfrost.com
In mild climates, summer heat limits many crops as much as frost does. Use this calendar for spring planting and lean on fall and winter for cool-season crops.
When to plant vegetables in Whiskeytown, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 21 – Dec 5 | Jan 16 – Jan 30 | — | — |
| Peppers | Dec 5 – Dec 19 | Feb 27 – Mar 13 | — | — |
| Eggplant | Dec 5 – Dec 19 | Feb 27 – Mar 13 | — | — |
| Tomatoes | Dec 19 – Jan 2 | Feb 20 – Mar 6 | — | — |
| Lettuce | Dec 19 – Jan 2 | Jan 23 – Feb 6 | Jan 16 – Feb 20 | Oct 18 – Nov 15 |
| Kale | Dec 19 – Jan 2 | Jan 16 – Jan 30 | Jan 16 – Jan 30 | Oct 4 – Oct 25 |
| Broccoli | Dec 19 – Jan 2 | Jan 30 – Feb 13 | — | Sep 6 – Sep 27 |
| Cabbage | Dec 19 – Jan 2 | Jan 23 – Feb 6 | — | Sep 6 – Sep 27 |
| Cauliflower | Dec 19 – Jan 2 | Jan 30 – Feb 13 | — | Sep 6 – Sep 27 |
| Okra | Jan 2 – Jan 16 | Mar 6 – Mar 20 | Mar 6 – Mar 20 | — |
| Basil | Jan 2 – Jan 16 | Feb 20 – Mar 6 | — | — |
| Peas | — | — | Jan 2 – Jan 23 | Sep 20 – Oct 11 |
| Spinach | — | — | Jan 2 – Jan 23 | Oct 18 – Nov 8 |
| Radishes | — | — | Jan 9 – Feb 20 | Nov 1 – Nov 22 |
| Cucumbers | Jan 16 – Jan 23 | Feb 27 – Mar 6 | Feb 20 – Mar 6 | Sep 27 – Oct 11 |
| Zucchini & Summer Squash | Jan 16 – Jan 23 | — | Feb 20 – Mar 6 | Oct 4 – Oct 18 |
| Winter Squash & Pumpkins | Jan 16 – Jan 23 | — | Feb 20 – Mar 6 | — |
| Melons & Watermelon | Jan 16 – Jan 23 | Feb 27 – Mar 13 | — | — |
| Carrots | — | — | Jan 23 – Feb 20 | Sep 20 – Oct 4 |
| Beets | — | — | Jan 23 – Feb 20 | Oct 4 – Oct 18 |
| Potatoes | — | — | Jan 23 – Feb 13 | — |
| Swiss Chard | — | — | Jan 30 – Feb 27 | Oct 4 – Oct 18 |
| Cilantro | — | — | Jan 30 – Feb 20 | Oct 18 – Nov 8 |
| Green Beans | — | — | Feb 20 – Mar 13 | Sep 27 – Oct 11 |
| Sweet Corn | — | — | Feb 20 – Mar 6 | — |
| Sweet Potatoes | — | Feb 27 – Mar 20 | — | — |
| Garlic | — | — | — | Nov 29 – Jan 3 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Whiskeytown Rsvr, CA weather station, 4 km away (elevation 1,296 ft (395 m)).
Frost dates near Whiskeytown
- Shasta Feb 13 · Dec 13
- French Gulch Mar 19 · Nov 22
- Shasta Lake Feb 8 · Dec 28
- Redding Feb 8 · Dec 28
- Igo Feb 13 · Dec 13
- Lewiston Apr 23 · Oct 22
- Palo Cedro Mar 3 · Nov 21
- Anderson Mar 3 · Nov 21
- Douglas City May 3 · Oct 11
- Lakehead Feb 8 · Dec 28
Frequently asked questions
When is the last frost in Whiskeytown, CA?
The median last spring frost in Whiskeytown, CA is February 13. There is still about a 10% chance of frost after March 25, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Whiskeytown, CA?
The median first fall frost is December 13, with about a 10% chance of frost before November 20.
How long is the growing season in Whiskeytown, CA?
About 303 days between the median last spring frost and first fall frost.
What planting zone is Whiskeytown, CA?
Whiskeytown, CA is in USDA hardiness zone 9b.