Frost dates for 92226 — Blythe, CA
Frost is light and occasional here — typically a few cold nights around midwinter (about 9 a year). Cover tender plants when frost is forecast.
How Blythe compares
- In a typical year, frost nights in Blythe fall between December 12 and January 25. In 1 year in 10 the first frost comes as early as November 28, or the last frost as late as February 24.
- Nearby Yuma, AZ, 102 km away, rarely gets frost, a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | December 29 |
| 50% (median) | January 25 |
| 10% (safe for tender plants) | February 24 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 28 |
| 50% (median) | December 12 |
| 90% (late) | January 3 |
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 Blythe, CA
Frost dates for 92226 — Blythe, CA — last frost Jan 25, first frost Dec 12, 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 Blythe, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 2 – Nov 16 | Dec 28 – Jan 11 | — | — |
| Peppers | Nov 16 – Nov 30 | Feb 8 – Feb 22 | — | — |
| Eggplant | Nov 16 – Nov 30 | Feb 8 – Feb 22 | — | — |
| Tomatoes | Nov 30 – Dec 14 | Feb 1 – Feb 15 | — | — |
| Lettuce | Nov 30 – Dec 14 | Jan 4 – Jan 18 | Dec 28 – Feb 1 | Oct 17 – Nov 14 |
| Kale | Nov 30 – Dec 14 | Dec 28 – Jan 11 | Dec 28 – Jan 11 | Oct 3 – Oct 24 |
| Broccoli | Nov 30 – Dec 14 | Jan 11 – Jan 25 | — | Sep 5 – Sep 26 |
| Cabbage | Nov 30 – Dec 14 | Jan 4 – Jan 18 | — | Sep 5 – Sep 26 |
| Cauliflower | Nov 30 – Dec 14 | Jan 11 – Jan 25 | — | Sep 5 – Sep 26 |
| Okra | Dec 14 – Dec 28 | Feb 15 – Mar 1 | Feb 15 – Mar 1 | — |
| Basil | Dec 14 – Dec 28 | Feb 1 – Feb 15 | — | — |
| Peas | — | — | Dec 14 – Jan 4 | Sep 19 – Oct 10 |
| Spinach | — | — | Dec 14 – Jan 4 | Oct 17 – Nov 7 |
| Radishes | — | — | Dec 21 – Feb 1 | Oct 31 – Nov 21 |
| Cucumbers | Dec 28 – Jan 4 | Feb 8 – Feb 15 | Feb 1 – Feb 15 | Sep 26 – Oct 10 |
| Zucchini & Summer Squash | Dec 28 – Jan 4 | — | Feb 1 – Feb 15 | Oct 3 – Oct 17 |
| Winter Squash & Pumpkins | Dec 28 – Jan 4 | — | Feb 1 – Feb 15 | — |
| Melons & Watermelon | Dec 28 – Jan 4 | Feb 8 – Feb 22 | — | — |
| Carrots | — | — | Jan 4 – Feb 1 | Sep 19 – Oct 3 |
| Beets | — | — | Jan 4 – Feb 1 | Oct 3 – Oct 17 |
| Potatoes | — | — | Jan 4 – Jan 25 | — |
| Swiss Chard | — | — | Jan 11 – Feb 8 | Oct 3 – Oct 17 |
| Cilantro | — | — | Jan 11 – Feb 1 | Oct 17 – Nov 7 |
| Green Beans | — | — | Feb 1 – Feb 22 | Sep 26 – Oct 10 |
| Sweet Corn | — | — | Feb 1 – Feb 15 | — |
| Sweet Potatoes | — | Feb 8 – Mar 1 | — | — |
| Garlic | — | — | — | Nov 28 – Jan 2 |
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 Blythe, CA weather station, 5 km away (elevation 269 ft (82 m)).
ZIP codes in Blythe: 92225 92226
Frost dates near Blythe
- Palo Verde Jan 5 · Dec 21
- Vidal Jan 12 · Dec 19
- Winterhaven Jan 8 · Dec 28
- Earp Jan 12 · Dec 19
- Desert Center Jan 10 · Jan 8
- Parker Dam Jan 7 · Dec 31
- Bard Jan 8 · Dec 28
- Calipatria Jan 16 · Dec 19
Frequently asked questions
When is the last frost in Blythe, CA?
The median last spring frost in Blythe, CA is January 25. There is still about a 10% chance of frost after February 24, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Blythe, CA?
The median first fall frost is December 12, with about a 10% chance of frost before November 28.
How long is the growing season in Blythe, CA?
About 321 days between the median last spring frost and first fall frost.
What planting zone is Blythe, CA?
Blythe, CA is in USDA hardiness zone 9b.