Manteca, CA frost dates
Last spring frostFeb 6median date
First fall frostDec 1median date
Growing season298 daysfrost-free
Hardiness zone9bZone 9b
How Manteca compares
- In 8 years out of 10, the last spring frost in Manteca falls between December 31 and February 28, a 59-day window. The first fall frost falls between November 15 and December 26.
- The median last frost is 53 days earlier than the California median of Mar 31.
- Its 298-day growing season is longer than 97% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 14 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 19 nights a year at or below 32°F.
- Nearby Stockton, CA, 21 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) | December 31 |
| 50% (median) | February 6 |
| 10% (safe for tender plants) | February 28 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 15 |
| 50% (median) | December 1 |
| 90% (late) | December 26 |
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 Manteca, CA
Manteca, CA frost dates — last frost Feb 6, first frost Dec 1, zone 9b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Nov 14 to Nov 28Transplant outside: Jan 9 to Jan 23
Start indoors: Nov 28 to Dec 12Transplant outside: Feb 20 to Mar 6
Start indoors: Nov 28 to Dec 12Transplant outside: Feb 20 to Mar 6
Start indoors: Dec 12 to Dec 26Transplant outside: Feb 13 to Feb 27
Start indoors: Dec 12 to Dec 26Transplant outside: Jan 16 to Jan 30Sow outdoors: Jan 9 to Feb 13Plant for fall: Oct 6 to Nov 3
Start indoors: Dec 12 to Dec 26Transplant outside: Jan 9 to Jan 23Sow outdoors: Jan 9 to Jan 23Plant for fall: Sep 22 to Oct 13
Start indoors: Dec 12 to Dec 26Transplant outside: Jan 23 to Feb 6Plant for fall: Aug 25 to Sep 15
Start indoors: Dec 12 to Dec 26Transplant outside: Jan 16 to Jan 30Plant for fall: Aug 25 to Sep 15
Start indoors: Dec 12 to Dec 26Transplant outside: Jan 23 to Feb 6Plant for fall: Aug 25 to Sep 15
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Feb 27 to Mar 13Sow outdoors: Feb 27 to Mar 13
Start indoors: Dec 26 to Jan 9Start indoors: Dec 26 to Jan 9Transplant outside: Feb 13 to Feb 27
Sow outdoors: Dec 26 to Jan 16Sow outdoors: Dec 26 to Jan 16Plant for fall: Sep 8 to Sep 29
Sow outdoors: Dec 26 to Jan 16Sow outdoors: Dec 26 to Jan 16Plant for fall: Oct 6 to Oct 27
Sow outdoors: Jan 2 to Feb 13Plant for fall: Oct 20 to Nov 10
Start indoors: Jan 9 to Jan 16Transplant outside: Feb 20 to Feb 27Sow outdoors: Feb 13 to Feb 27Plant for fall: Sep 15 to Sep 29
Start indoors: Jan 9 to Jan 16Sow outdoors: Feb 13 to Feb 27Plant for fall: Sep 22 to Oct 6
Start indoors: Jan 9 to Jan 16Sow outdoors: Feb 13 to Feb 27
Start indoors: Jan 9 to Jan 16Transplant outside: Feb 20 to Mar 6
Sow outdoors: Jan 16 to Feb 13Plant for fall: Sep 8 to Sep 22
Sow outdoors: Jan 16 to Feb 13Plant for fall: Sep 22 to Oct 6
Sow outdoors: Jan 16 to Feb 6
Sow outdoors: Jan 23 to Feb 20Plant for fall: Sep 22 to Oct 6
Sow outdoors: Jan 23 to Feb 13Plant for fall: Oct 6 to Oct 27
Sow outdoors: Feb 13 to Mar 6Plant for fall: Sep 15 to Sep 29
Sow outdoors: Feb 13 to Feb 27
Transplant outside: Feb 20 to Mar 13
Plant for fall: Nov 17 to Dec 22
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Manteca, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 14 – Nov 28 | Jan 9 – Jan 23 | — | — |
| Peppers | Nov 28 – Dec 12 | Feb 20 – Mar 6 | — | — |
| Eggplant | Nov 28 – Dec 12 | Feb 20 – Mar 6 | — | — |
| Tomatoes | Dec 12 – Dec 26 | Feb 13 – Feb 27 | — | — |
| Lettuce | Dec 12 – Dec 26 | Jan 16 – Jan 30 | Jan 9 – Feb 13 | Oct 6 – Nov 3 |
| Kale | Dec 12 – Dec 26 | Jan 9 – Jan 23 | Jan 9 – Jan 23 | Sep 22 – Oct 13 |
| Broccoli | Dec 12 – Dec 26 | Jan 23 – Feb 6 | — | Aug 25 – Sep 15 |
| Cabbage | Dec 12 – Dec 26 | Jan 16 – Jan 30 | — | Aug 25 – Sep 15 |
| Cauliflower | Dec 12 – Dec 26 | Jan 23 – Feb 6 | — | Aug 25 – Sep 15 |
| Okra | Dec 26 – Jan 9 | Feb 27 – Mar 13 | Feb 27 – Mar 13 | — |
| Basil | Dec 26 – Jan 9 | Feb 13 – Feb 27 | — | — |
| Peas | — | — | Dec 26 – Jan 16 | Sep 8 – Sep 29 |
| Spinach | — | — | Dec 26 – Jan 16 | Oct 6 – Oct 27 |
| Radishes | — | — | Jan 2 – Feb 13 | Oct 20 – Nov 10 |
| Cucumbers | Jan 9 – Jan 16 | Feb 20 – Feb 27 | Feb 13 – Feb 27 | Sep 15 – Sep 29 |
| Zucchini & Summer Squash | Jan 9 – Jan 16 | — | Feb 13 – Feb 27 | Sep 22 – Oct 6 |
| Winter Squash & Pumpkins | Jan 9 – Jan 16 | — | Feb 13 – Feb 27 | — |
| Melons & Watermelon | Jan 9 – Jan 16 | Feb 20 – Mar 6 | — | — |
| Carrots | — | — | Jan 16 – Feb 13 | Sep 8 – Sep 22 |
| Beets | — | — | Jan 16 – Feb 13 | Sep 22 – Oct 6 |
| Potatoes | — | — | Jan 16 – Feb 6 | — |
| Swiss Chard | — | — | Jan 23 – Feb 20 | Sep 22 – Oct 6 |
| Cilantro | — | — | Jan 23 – Feb 13 | Oct 6 – Oct 27 |
| Green Beans | — | — | Feb 13 – Mar 6 | Sep 15 – Sep 29 |
| Sweet Corn | — | — | Feb 13 – Feb 27 | — |
| Sweet Potatoes | — | Feb 20 – Mar 13 | — | — |
| Garlic | — | — | — | Nov 17 – Dec 22 |
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 Stockton Metro Ap, CA weather station, 10 km away (elevation 26 ft (8 m)).
ZIP codes in Manteca: 95336 95337
Frost dates near Manteca
- Lathrop Feb 6 · Dec 1
- Ripon Feb 6 · Dec 1
- French Camp Feb 6 · Dec 1
- Salida Jan 31 · Dec 5
- Escalon Jan 31 · Dec 5
- Vernalis Feb 25 · Nov 26
- Stockton Feb 5 · Dec 8
- Tracy Feb 25 · Nov 26
- Holt Feb 5 · Dec 8
- Farmington Feb 6 · Dec 1
Frequently asked questions
When is the last frost in Manteca, CA?
The median last spring frost in Manteca, CA is February 6. There is still about a 10% chance of frost after February 28, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Manteca, CA?
The median first fall frost is December 1, with about a 10% chance of frost before November 15.
How long is the growing season in Manteca, CA?
About 298 days between the median last spring frost and first fall frost.
What planting zone is Manteca, CA?
Manteca, CA is in USDA hardiness zone 9b.