Piedra, CA frost dates
Last spring frostFeb 23median date
First fall frostDec 12median date
Growing season292 daysfrost-free
Hardiness zone9bZone 9b
How Piedra compares
- In 8 years out of 10, the last spring frost in Piedra falls between January 17 and April 4, a 77-day window. The first fall frost falls between November 25 and January 7.
- The median last frost is 36 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 typical for zone 9b, where the median is Feb 20.
- The weather station records an average of 15 nights a year at or below 32°F.
- Nearby Clovis, CA, 30 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 23 |
| 10% (safe for tender plants) | April 4 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 25 |
| 50% (median) | December 12 |
| 90% (late) | January 7 |
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 Piedra, CA
Piedra, CA frost dates — last frost Feb 23, first frost Dec 12, zone 9b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 1 to Dec 15Transplant outside: Jan 26 to Feb 9
Start indoors: Dec 15 to Dec 29Transplant outside: Mar 9 to Mar 23
Start indoors: Dec 15 to Dec 29Transplant outside: Mar 9 to Mar 23
Start indoors: Dec 29 to Jan 12Start indoors: Dec 29 to Jan 12Transplant outside: Mar 2 to Mar 16
Start indoors: Dec 29 to Jan 12Start indoors: Dec 29 to Jan 12Transplant outside: Feb 2 to Feb 16Sow outdoors: Jan 26 to Mar 2Plant for fall: Oct 17 to Nov 14
Start indoors: Dec 29 to Jan 12Start indoors: Dec 29 to Jan 12Transplant outside: Jan 26 to Feb 9Sow outdoors: Jan 26 to Feb 9Plant for fall: Oct 3 to Oct 24
Start indoors: Dec 29 to Jan 12Start indoors: Dec 29 to Jan 12Transplant outside: Feb 9 to Feb 23Plant for fall: Sep 5 to Sep 26
Start indoors: Dec 29 to Jan 12Start indoors: Dec 29 to Jan 12Transplant outside: Feb 2 to Feb 16Plant for fall: Sep 5 to Sep 26
Start indoors: Dec 29 to Jan 12Start indoors: Dec 29 to Jan 12Transplant outside: Feb 9 to Feb 23Plant for fall: Sep 5 to Sep 26
Start indoors: Jan 12 to Jan 26Transplant outside: Mar 16 to Mar 30Sow outdoors: Mar 16 to Mar 30
Start indoors: Jan 12 to Jan 26Transplant outside: Mar 2 to Mar 16
Sow outdoors: Jan 12 to Feb 2Plant for fall: Sep 19 to Oct 10
Sow outdoors: Jan 12 to Feb 2Plant for fall: Oct 17 to Nov 7
Sow outdoors: Jan 19 to Mar 2Plant for fall: Oct 31 to Nov 21
Start indoors: Jan 26 to Feb 2Transplant outside: Mar 9 to Mar 16Sow outdoors: Mar 2 to Mar 16Plant for fall: Sep 26 to Oct 10
Start indoors: Jan 26 to Feb 2Sow outdoors: Mar 2 to Mar 16Plant for fall: Oct 3 to Oct 17
Start indoors: Jan 26 to Feb 2Sow outdoors: Mar 2 to Mar 16
Start indoors: Jan 26 to Feb 2Transplant outside: Mar 9 to Mar 23
Sow outdoors: Feb 2 to Mar 2Plant for fall: Sep 19 to Oct 3
Sow outdoors: Feb 2 to Mar 2Plant for fall: Oct 3 to Oct 17
Sow outdoors: Feb 2 to Feb 23
Sow outdoors: Feb 9 to Mar 9Plant for fall: Oct 3 to Oct 17
Sow outdoors: Feb 9 to Mar 2Plant for fall: Oct 17 to Nov 7
Sow outdoors: Mar 2 to Mar 23Plant for fall: Sep 26 to Oct 10
Sow outdoors: Mar 2 to Mar 16
Transplant outside: Mar 9 to Mar 30
Plant for fall: Nov 28 to Jan 2Plant for fall: Nov 28 to Jan 2
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Piedra, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 1 – Dec 15 | Jan 26 – Feb 9 | — | — |
| Peppers | Dec 15 – Dec 29 | Mar 9 – Mar 23 | — | — |
| Eggplant | Dec 15 – Dec 29 | Mar 9 – Mar 23 | — | — |
| Tomatoes | Dec 29 – Jan 12 | Mar 2 – Mar 16 | — | — |
| Lettuce | Dec 29 – Jan 12 | Feb 2 – Feb 16 | Jan 26 – Mar 2 | Oct 17 – Nov 14 |
| Kale | Dec 29 – Jan 12 | Jan 26 – Feb 9 | Jan 26 – Feb 9 | Oct 3 – Oct 24 |
| Broccoli | Dec 29 – Jan 12 | Feb 9 – Feb 23 | — | Sep 5 – Sep 26 |
| Cabbage | Dec 29 – Jan 12 | Feb 2 – Feb 16 | — | Sep 5 – Sep 26 |
| Cauliflower | Dec 29 – Jan 12 | Feb 9 – Feb 23 | — | Sep 5 – Sep 26 |
| Okra | Jan 12 – Jan 26 | Mar 16 – Mar 30 | Mar 16 – Mar 30 | — |
| Basil | Jan 12 – Jan 26 | Mar 2 – Mar 16 | — | — |
| Peas | — | — | Jan 12 – Feb 2 | Sep 19 – Oct 10 |
| Spinach | — | — | Jan 12 – Feb 2 | Oct 17 – Nov 7 |
| Radishes | — | — | Jan 19 – Mar 2 | Oct 31 – Nov 21 |
| Cucumbers | Jan 26 – Feb 2 | Mar 9 – Mar 16 | Mar 2 – Mar 16 | Sep 26 – Oct 10 |
| Zucchini & Summer Squash | Jan 26 – Feb 2 | — | Mar 2 – Mar 16 | Oct 3 – Oct 17 |
| Winter Squash & Pumpkins | Jan 26 – Feb 2 | — | Mar 2 – Mar 16 | — |
| Melons & Watermelon | Jan 26 – Feb 2 | Mar 9 – Mar 23 | — | — |
| Carrots | — | — | Feb 2 – Mar 2 | Sep 19 – Oct 3 |
| Beets | — | — | Feb 2 – Mar 2 | Oct 3 – Oct 17 |
| Potatoes | — | — | Feb 2 – Feb 23 | — |
| Swiss Chard | — | — | Feb 9 – Mar 9 | Oct 3 – Oct 17 |
| Cilantro | — | — | Feb 9 – Mar 2 | Oct 17 – Nov 7 |
| Green Beans | — | — | Mar 2 – Mar 23 | Sep 26 – Oct 10 |
| Sweet Corn | — | — | Mar 2 – Mar 16 | — |
| Sweet Potatoes | — | Mar 9 – Mar 30 | — | — |
| 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 Balch Pwr House, CA weather station, 24 km away (elevation 1,736 ft (529 m)).
Frost dates near Piedra
- Tollhouse Mar 25 · Dec 3
- Yokuts Jun 1 · Oct 7
- Sanger Jan 30 · Dec 11
- Prather Mar 25 · Dec 3
- Orange Cove Jan 23 · Dec 13
- Dunlap Jun 1 · Oct 7
- Auberry Mar 25 · Dec 3
- Reedley Jan 30 · Dec 11
- Clovis Jan 14 · Dec 14
- Del Rey Jan 30 · Dec 11
Frequently asked questions
When is the last frost in Piedra, CA?
The median last spring frost in Piedra, CA is February 23. There is still about a 10% chance of frost after April 4, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Piedra, CA?
The median first fall frost is December 12, with about a 10% chance of frost before November 25.
How long is the growing season in Piedra, CA?
About 292 days between the median last spring frost and first fall frost.
What planting zone is Piedra, CA?
Piedra, CA is in USDA hardiness zone 9b.