Frost dates for 95992 — Yuba City, CA
How Yuba City compares
- In 8 years out of 10, the last spring frost in Yuba City falls between January 6 and March 12, a 65-day window. The first fall frost falls between November 12 and December 21.
- The median last frost is 48 days earlier than the California median of Mar 31.
- Its 292-day growing season is longer than 94% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 9 days earlier than the zone 9b median of Feb 20. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9b chart.
- The weather station records an average of 23 nights a year at or below 32°F.
- Compared with Roseville, CA, 41 km away, the last frost here is 14 days earlier than there and the growing season is 9 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 6 |
| 50% (median) | February 11 |
| 10% (safe for tender plants) | March 12 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 12 |
| 50% (median) | November 30 |
| 90% (late) | December 21 |
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 Yuba City, CA
Frost dates for 95992 — Yuba City, CA — last frost Feb 11, first frost Nov 30, zone 9b. whenisthelastfrost.com
When to plant vegetables in Yuba City, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 19 – Dec 3 | Jan 14 – Jan 28 | — | — |
| Peppers | Dec 3 – Dec 17 | Feb 25 – Mar 11 | — | — |
| Eggplant | Dec 3 – Dec 17 | Feb 25 – Mar 11 | — | — |
| Tomatoes | Dec 17 – Dec 31 | Feb 18 – Mar 4 | — | — |
| Lettuce | Dec 17 – Dec 31 | Jan 21 – Feb 4 | Jan 14 – Feb 18 | Oct 5 – Nov 2 |
| Kale | Dec 17 – Dec 31 | Jan 14 – Jan 28 | Jan 14 – Jan 28 | Sep 21 – Oct 12 |
| Broccoli | Dec 17 – Dec 31 | Jan 28 – Feb 11 | — | Aug 24 – Sep 14 |
| Cabbage | Dec 17 – Dec 31 | Jan 21 – Feb 4 | — | Aug 24 – Sep 14 |
| Cauliflower | Dec 17 – Dec 31 | Jan 28 – Feb 11 | — | Aug 24 – Sep 14 |
| Okra | Dec 31 – Jan 14 | Mar 4 – Mar 18 | Mar 4 – Mar 18 | — |
| Basil | Dec 31 – Jan 14 | Feb 18 – Mar 4 | — | — |
| Peas | — | — | Dec 31 – Jan 21 | Sep 7 – Sep 28 |
| Spinach | — | — | Dec 31 – Jan 21 | Oct 5 – Oct 26 |
| Radishes | — | — | Jan 7 – Feb 18 | Oct 19 – Nov 9 |
| Cucumbers | Jan 14 – Jan 21 | Feb 25 – Mar 4 | Feb 18 – Mar 4 | Sep 14 – Sep 28 |
| Zucchini & Summer Squash | Jan 14 – Jan 21 | — | Feb 18 – Mar 4 | Sep 21 – Oct 5 |
| Winter Squash & Pumpkins | Jan 14 – Jan 21 | — | Feb 18 – Mar 4 | — |
| Melons & Watermelon | Jan 14 – Jan 21 | Feb 25 – Mar 11 | — | — |
| Carrots | — | — | Jan 21 – Feb 18 | Sep 7 – Sep 21 |
| Beets | — | — | Jan 21 – Feb 18 | Sep 21 – Oct 5 |
| Potatoes | — | — | Jan 21 – Feb 11 | — |
| Swiss Chard | — | — | Jan 28 – Feb 25 | Sep 21 – Oct 5 |
| Cilantro | — | — | Jan 28 – Feb 18 | Oct 5 – Oct 26 |
| Green Beans | — | — | Feb 18 – Mar 11 | Sep 14 – Sep 28 |
| Sweet Corn | — | — | Feb 18 – Mar 4 | — |
| Sweet Potatoes | — | Feb 25 – Mar 18 | — | — |
| Garlic | — | — | — | Nov 16 – Dec 21 |
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 Marysville Yuba Co Ap, CA weather station, 10 km away (elevation 62 ft (19 m)).
ZIP codes in Yuba City: 95991 95992 95993
Frost dates near Yuba City
- Olivehurst Feb 11 · Nov 30
- Rio Oso Feb 11 · Nov 30
- Wheatland Feb 11 · Nov 30
- Meridian Feb 11 · Nov 30
- Nicolaus Feb 22 · Nov 24
- Marysville Jan 15 · Dec 12
- Robbins Feb 22 · Nov 24
- Sheridan Feb 11 · Nov 30
Frequently asked questions
When is the last frost in Yuba City, CA?
The median last spring frost in Yuba City, CA is February 11. There is still about a 10% chance of frost after March 12, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Yuba City, CA?
The median first fall frost is November 30, with about a 10% chance of frost before November 12.
How long is the growing season in Yuba City, CA?
About 292 days between the median last spring frost and first fall frost.
What planting zone is Yuba City, CA?
Yuba City, CA is in USDA hardiness zone 9b.