Yucca Valley, CA frost dates
Last spring frostMar 14median date
First fall frostNov 28median date
Growing season259 daysfrost-free
Hardiness zone9aZone 9a
How Yucca Valley compares
- In 8 years out of 10, the last spring frost in Yucca Valley falls between February 8 and April 1, a 52-day window. The first fall frost falls between November 10 and December 12.
- The median last frost is 17 days earlier than the California median of Mar 31.
- Its 259-day growing season is longer than 59% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 11 days later 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 31 nights a year at or below 32°F.
- Nearby Cathedral City, CA, 42 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) | February 8 |
| 50% (median) | March 14 |
| 10% (safe for tender plants) | April 1 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 10 |
| 50% (median) | November 28 |
| 90% (late) | December 12 |
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 Yucca Valley, CA
Yucca Valley, CA frost dates — last frost Mar 14, first frost Nov 28, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Feb 14 to Feb 28
Start indoors: Jan 3 to Jan 17Transplant outside: Mar 28 to Apr 11
Start indoors: Jan 3 to Jan 17Transplant outside: Mar 28 to Apr 11
Start indoors: Jan 17 to Jan 31Transplant outside: Mar 21 to Apr 4
Start indoors: Jan 17 to Jan 31Transplant outside: Feb 21 to Mar 7Sow outdoors: Feb 14 to Mar 21Plant for fall: Oct 3 to Oct 31
Start indoors: Jan 17 to Jan 31Transplant outside: Feb 14 to Feb 28Sow outdoors: Feb 14 to Feb 28Plant for fall: Sep 19 to Oct 10
Start indoors: Jan 17 to Jan 31Transplant outside: Feb 28 to Mar 14Plant for fall: Aug 22 to Sep 12
Start indoors: Jan 17 to Jan 31Transplant outside: Feb 21 to Mar 7Plant for fall: Aug 22 to Sep 12
Start indoors: Jan 17 to Jan 31Transplant outside: Feb 28 to Mar 14Plant for fall: Aug 22 to Sep 12
Start indoors: Jan 31 to Feb 14Transplant outside: Apr 4 to Apr 18Sow outdoors: Apr 4 to Apr 18
Start indoors: Jan 31 to Feb 14Transplant outside: Mar 21 to Apr 4
Sow outdoors: Jan 31 to Feb 21Plant for fall: Sep 5 to Sep 26
Sow outdoors: Jan 31 to Feb 21Plant for fall: Oct 3 to Oct 24
Sow outdoors: Feb 7 to Mar 21Plant for fall: Oct 17 to Nov 7
Start indoors: Feb 14 to Feb 21Transplant outside: Mar 28 to Apr 4Sow outdoors: Mar 21 to Apr 4Plant for fall: Sep 12 to Sep 26
Start indoors: Feb 14 to Feb 21Sow outdoors: Mar 21 to Apr 4Plant for fall: Sep 19 to Oct 3
Start indoors: Feb 14 to Feb 21Sow outdoors: Mar 21 to Apr 4
Start indoors: Feb 14 to Feb 21Transplant outside: Mar 28 to Apr 11
Sow outdoors: Feb 21 to Mar 21Plant for fall: Sep 5 to Sep 19
Sow outdoors: Feb 21 to Mar 21Plant for fall: Sep 19 to Oct 3
Sow outdoors: Feb 21 to Mar 14
Sow outdoors: Feb 28 to Mar 28Plant for fall: Sep 19 to Oct 3
Sow outdoors: Feb 28 to Mar 21Plant for fall: Oct 3 to Oct 24
Sow outdoors: Mar 21 to Apr 11Plant for fall: Sep 12 to Sep 26
Sow outdoors: Mar 21 to Apr 4
Transplant outside: Mar 28 to Apr 18
Plant for fall: Nov 14 to Dec 19
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Yucca Valley, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 20 – Jan 3 | Feb 14 – Feb 28 | — | — |
| Peppers | Jan 3 – Jan 17 | Mar 28 – Apr 11 | — | — |
| Eggplant | Jan 3 – Jan 17 | Mar 28 – Apr 11 | — | — |
| Tomatoes | Jan 17 – Jan 31 | Mar 21 – Apr 4 | — | — |
| Lettuce | Jan 17 – Jan 31 | Feb 21 – Mar 7 | Feb 14 – Mar 21 | Oct 3 – Oct 31 |
| Kale | Jan 17 – Jan 31 | Feb 14 – Feb 28 | Feb 14 – Feb 28 | Sep 19 – Oct 10 |
| Broccoli | Jan 17 – Jan 31 | Feb 28 – Mar 14 | — | Aug 22 – Sep 12 |
| Cabbage | Jan 17 – Jan 31 | Feb 21 – Mar 7 | — | Aug 22 – Sep 12 |
| Cauliflower | Jan 17 – Jan 31 | Feb 28 – Mar 14 | — | Aug 22 – Sep 12 |
| Okra | Jan 31 – Feb 14 | Apr 4 – Apr 18 | Apr 4 – Apr 18 | — |
| Basil | Jan 31 – Feb 14 | Mar 21 – Apr 4 | — | — |
| Peas | — | — | Jan 31 – Feb 21 | Sep 5 – Sep 26 |
| Spinach | — | — | Jan 31 – Feb 21 | Oct 3 – Oct 24 |
| Radishes | — | — | Feb 7 – Mar 21 | Oct 17 – Nov 7 |
| Cucumbers | Feb 14 – Feb 21 | Mar 28 – Apr 4 | Mar 21 – Apr 4 | Sep 12 – Sep 26 |
| Zucchini & Summer Squash | Feb 14 – Feb 21 | — | Mar 21 – Apr 4 | Sep 19 – Oct 3 |
| Winter Squash & Pumpkins | Feb 14 – Feb 21 | — | Mar 21 – Apr 4 | — |
| Melons & Watermelon | Feb 14 – Feb 21 | Mar 28 – Apr 11 | — | — |
| Carrots | — | — | Feb 21 – Mar 21 | Sep 5 – Sep 19 |
| Beets | — | — | Feb 21 – Mar 21 | Sep 19 – Oct 3 |
| Potatoes | — | — | Feb 21 – Mar 14 | — |
| Swiss Chard | — | — | Feb 28 – Mar 28 | Sep 19 – Oct 3 |
| Cilantro | — | — | Feb 28 – Mar 21 | Oct 3 – Oct 24 |
| Green Beans | — | — | Mar 21 – Apr 11 | Sep 12 – Sep 26 |
| Sweet Corn | — | — | Mar 21 – Apr 4 | — |
| Sweet Potatoes | — | Mar 28 – Apr 18 | — | — |
| Garlic | — | — | — | Nov 14 – Dec 19 |
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 Yucca Valley, CA weather station, 4 km away (elevation 3,248 ft (990 m)).
ZIP codes in Yucca Valley: 92284 92286
Frost dates near Yucca Valley
- Joshua Tree Feb 28 · Dec 1
- Pioneertown Feb 16 · Dec 10
- Landers Mar 1 · Nov 29
- Morongo Valley Feb 25 · Dec 15
- Desert Hot Springs Jan 9 · Jan 9
- Twentynine Palms Jan 24 · Dec 10
- North Palm Springs Jan 1 · Dec 31
- Whitewater Feb 25 · Dec 15
- Thousand Palms Jan 9 · Jan 9
- Big Bear City May 27 · Oct 4
Frequently asked questions
When is the last frost in Yucca Valley, CA?
The median last spring frost in Yucca Valley, CA is March 14. There is still about a 10% chance of frost after April 1, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Yucca Valley, CA?
The median first fall frost is November 28, with about a 10% chance of frost before November 10.
How long is the growing season in Yucca Valley, CA?
About 259 days between the median last spring frost and first fall frost.
What planting zone is Yucca Valley, CA?
Yucca Valley, CA is in USDA hardiness zone 9a.