Corcoran, CA frost dates
How Corcoran compares
- In 8 years out of 10, the last spring frost in Corcoran falls between January 17 and March 10, a 52-day window. The first fall frost falls between November 12 and December 13.
- The median last frost is 44 days earlier than the California median of Mar 31.
- Its 285-day growing season is longer than 86% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 16 days earlier than the zone 9a median of Mar 3. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 9a chart.
- The weather station records an average of 21 nights a year at or below 32°F.
- Nearby Tulare, CA, 24 km away, gets only light, occasional frost, a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 17 |
| 50% (median) | February 15 |
| 10% (safe for tender plants) | March 10 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 12 |
| 50% (median) | November 27 |
| 90% (late) | December 13 |
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 Corcoran, CA
Corcoran, CA frost dates — last frost Feb 15, first frost Nov 27, zone 9a. whenisthelastfrost.com
When to plant vegetables in Corcoran, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 23 – Dec 7 | Jan 18 – Feb 1 | — | — |
| Peppers | Dec 7 – Dec 21 | Mar 1 – Mar 15 | — | — |
| Eggplant | Dec 7 – Dec 21 | Mar 1 – Mar 15 | — | — |
| Tomatoes | Dec 21 – Jan 4 | Feb 22 – Mar 8 | — | — |
| Lettuce | Dec 21 – Jan 4 | Jan 25 – Feb 8 | Jan 18 – Feb 22 | Oct 2 – Oct 30 |
| Kale | Dec 21 – Jan 4 | Jan 18 – Feb 1 | Jan 18 – Feb 1 | Sep 18 – Oct 9 |
| Broccoli | Dec 21 – Jan 4 | Feb 1 – Feb 15 | — | Aug 21 – Sep 11 |
| Cabbage | Dec 21 – Jan 4 | Jan 25 – Feb 8 | — | Aug 21 – Sep 11 |
| Cauliflower | Dec 21 – Jan 4 | Feb 1 – Feb 15 | — | Aug 21 – Sep 11 |
| Okra | Jan 4 – Jan 18 | Mar 8 – Mar 22 | Mar 8 – Mar 22 | — |
| Basil | Jan 4 – Jan 18 | Feb 22 – Mar 8 | — | — |
| Peas | — | — | Jan 4 – Jan 25 | Sep 4 – Sep 25 |
| Spinach | — | — | Jan 4 – Jan 25 | Oct 2 – Oct 23 |
| Radishes | — | — | Jan 11 – Feb 22 | Oct 16 – Nov 6 |
| Cucumbers | Jan 18 – Jan 25 | Mar 1 – Mar 8 | Feb 22 – Mar 8 | Sep 11 – Sep 25 |
| Zucchini & Summer Squash | Jan 18 – Jan 25 | — | Feb 22 – Mar 8 | Sep 18 – Oct 2 |
| Winter Squash & Pumpkins | Jan 18 – Jan 25 | — | Feb 22 – Mar 8 | — |
| Melons & Watermelon | Jan 18 – Jan 25 | Mar 1 – Mar 15 | — | — |
| Carrots | — | — | Jan 25 – Feb 22 | Sep 4 – Sep 18 |
| Beets | — | — | Jan 25 – Feb 22 | Sep 18 – Oct 2 |
| Potatoes | — | — | Jan 25 – Feb 15 | — |
| Swiss Chard | — | — | Feb 1 – Mar 1 | Sep 18 – Oct 2 |
| Cilantro | — | — | Feb 1 – Feb 22 | Oct 2 – Oct 23 |
| Green Beans | — | — | Feb 22 – Mar 15 | Sep 11 – Sep 25 |
| Sweet Corn | — | — | Feb 22 – Mar 8 | — |
| Sweet Potatoes | — | Mar 1 – Mar 22 | — | — |
| Garlic | — | — | — | Nov 13 – Dec 18 |
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 Corcoran Irrig Dist, CA weather station, 2 km away (elevation 200 ft (61 m)).
Frost dates near Corcoran
- Waukena Feb 15 · Nov 27
- Tipton Feb 15 · Nov 27
- Alpaugh Jan 31 · Dec 8
- Tulare Jan 23 · Dec 13
- Stratford Feb 24 · Nov 22
- Armona Feb 7 · Dec 1
- Hanford Feb 7 · Dec 1
- Lemoore Feb 24 · Nov 22
- Pixley Jan 31 · Dec 8
- Goshen Jan 23 · Dec 13
Frequently asked questions
When is the last frost in Corcoran, CA?
The median last spring frost in Corcoran, CA is February 15. There is still about a 10% chance of frost after March 10, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Corcoran, CA?
The median first fall frost is November 27, with about a 10% chance of frost before November 12.
How long is the growing season in Corcoran, CA?
About 285 days between the median last spring frost and first fall frost.
What planting zone is Corcoran, CA?
Corcoran, CA is in USDA hardiness zone 9a.