Frost dates for 92344 — Hesperia, CA
Last spring frostFeb 28median date
First fall frostDec 1median date
Growing season276 daysfrost-free
Hardiness zone8bZone 8b
How Hesperia compares
- In 8 years out of 10, the last spring frost in Hesperia falls between February 1 and April 3, a 61-day window. The first fall frost falls between November 11 and December 16.
- The median last frost is 31 days earlier than the California median of Mar 31.
- Its 276-day growing season is longer than 76% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 16 days earlier than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 32 nights a year at or below 32°F.
- Compared with Victorville, CA, 12 km away, the last frost here is 18 days earlier than there and the growing season is 38 days longer.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 1 |
| 50% (median) | February 28 |
| 10% (safe for tender plants) | April 3 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 11 |
| 50% (median) | December 1 |
| 90% (late) | December 16 |
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 Hesperia, CA
Frost dates for 92344 — Hesperia, CA — last frost Feb 28, first frost Dec 1, zone 8b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 6 to Dec 20Transplant outside: Jan 31 to Feb 14
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Mar 14 to Mar 28
Start indoors: Dec 20 to Jan 3Start indoors: Dec 20 to Jan 3Transplant outside: Mar 14 to Mar 28
Start indoors: Jan 3 to Jan 17Transplant outside: Mar 7 to Mar 21
Start indoors: Jan 3 to Jan 17Transplant outside: Feb 7 to Feb 21Sow outdoors: Jan 31 to Mar 7Plant for fall: Oct 6 to Nov 3
Start indoors: Jan 3 to Jan 17Transplant outside: Jan 31 to Feb 14Sow outdoors: Jan 31 to Feb 14Plant for fall: Sep 22 to Oct 13
Start indoors: Jan 3 to Jan 17Transplant outside: Feb 14 to Feb 28Plant for fall: Aug 25 to Sep 15
Start indoors: Jan 3 to Jan 17Transplant outside: Feb 7 to Feb 21Plant for fall: Aug 25 to Sep 15
Start indoors: Jan 3 to Jan 17Transplant outside: Feb 14 to Feb 28Plant for fall: Aug 25 to Sep 15
Start indoors: Jan 17 to Jan 31Transplant outside: Mar 21 to Apr 4Sow outdoors: Mar 21 to Apr 4
Start indoors: Jan 17 to Jan 31Transplant outside: Mar 7 to Mar 21
Sow outdoors: Jan 17 to Feb 7Plant for fall: Sep 8 to Sep 29
Sow outdoors: Jan 17 to Feb 7Plant for fall: Oct 6 to Oct 27
Sow outdoors: Jan 24 to Mar 7Plant for fall: Oct 20 to Nov 10
Start indoors: Jan 31 to Feb 7Transplant outside: Mar 14 to Mar 21Sow outdoors: Mar 7 to Mar 21Plant for fall: Sep 15 to Sep 29
Start indoors: Jan 31 to Feb 7Sow outdoors: Mar 7 to Mar 21Plant for fall: Sep 22 to Oct 6
Start indoors: Jan 31 to Feb 7Sow outdoors: Mar 7 to Mar 21
Start indoors: Jan 31 to Feb 7Transplant outside: Mar 14 to Mar 28
Sow outdoors: Feb 7 to Mar 7Plant for fall: Sep 8 to Sep 22
Sow outdoors: Feb 7 to Mar 7Plant for fall: Sep 22 to Oct 6
Sow outdoors: Feb 7 to Feb 28
Sow outdoors: Feb 14 to Mar 14Plant for fall: Sep 22 to Oct 6
Sow outdoors: Feb 14 to Mar 7Plant for fall: Oct 6 to Oct 27
Sow outdoors: Mar 7 to Mar 28Plant for fall: Sep 15 to Sep 29
Sow outdoors: Mar 7 to Mar 21
Transplant outside: Mar 14 to Apr 4
Plant for fall: Nov 17 to Dec 22
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Hesperia, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 6 – Dec 20 | Jan 31 – Feb 14 | — | — |
| Peppers | Dec 20 – Jan 3 | Mar 14 – Mar 28 | — | — |
| Eggplant | Dec 20 – Jan 3 | Mar 14 – Mar 28 | — | — |
| Tomatoes | Jan 3 – Jan 17 | Mar 7 – Mar 21 | — | — |
| Lettuce | Jan 3 – Jan 17 | Feb 7 – Feb 21 | Jan 31 – Mar 7 | Oct 6 – Nov 3 |
| Kale | Jan 3 – Jan 17 | Jan 31 – Feb 14 | Jan 31 – Feb 14 | Sep 22 – Oct 13 |
| Broccoli | Jan 3 – Jan 17 | Feb 14 – Feb 28 | — | Aug 25 – Sep 15 |
| Cabbage | Jan 3 – Jan 17 | Feb 7 – Feb 21 | — | Aug 25 – Sep 15 |
| Cauliflower | Jan 3 – Jan 17 | Feb 14 – Feb 28 | — | Aug 25 – Sep 15 |
| Okra | Jan 17 – Jan 31 | Mar 21 – Apr 4 | Mar 21 – Apr 4 | — |
| Basil | Jan 17 – Jan 31 | Mar 7 – Mar 21 | — | — |
| Peas | — | — | Jan 17 – Feb 7 | Sep 8 – Sep 29 |
| Spinach | — | — | Jan 17 – Feb 7 | Oct 6 – Oct 27 |
| Radishes | — | — | Jan 24 – Mar 7 | Oct 20 – Nov 10 |
| Cucumbers | Jan 31 – Feb 7 | Mar 14 – Mar 21 | Mar 7 – Mar 21 | Sep 15 – Sep 29 |
| Zucchini & Summer Squash | Jan 31 – Feb 7 | — | Mar 7 – Mar 21 | Sep 22 – Oct 6 |
| Winter Squash & Pumpkins | Jan 31 – Feb 7 | — | Mar 7 – Mar 21 | — |
| Melons & Watermelon | Jan 31 – Feb 7 | Mar 14 – Mar 28 | — | — |
| Carrots | — | — | Feb 7 – Mar 7 | Sep 8 – Sep 22 |
| Beets | — | — | Feb 7 – Mar 7 | Sep 22 – Oct 6 |
| Potatoes | — | — | Feb 7 – Feb 28 | — |
| Swiss Chard | — | — | Feb 14 – Mar 14 | Sep 22 – Oct 6 |
| Cilantro | — | — | Feb 14 – Mar 7 | Oct 6 – Oct 27 |
| Green Beans | — | — | Mar 7 – Mar 28 | Sep 15 – Sep 29 |
| Sweet Corn | — | — | Mar 7 – Mar 21 | — |
| Sweet Potatoes | — | Mar 14 – Apr 4 | — | — |
| 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 Hesperia 2e, CA weather station, 13 km away (elevation 3,054 ft (931 m)).
ZIP codes in Hesperia: 92340 92344 92345
Frost dates near Hesperia
- Victorville Mar 18 · Nov 11
- Phelan May 16 · Oct 13
- Adelanto Mar 18 · Nov 11
- Cedarpines Park May 5 · Nov 2
- Apple Valley Mar 18 · Nov 11
- Wrightwood May 16 · Oct 13
- Lytle Creek May 16 · Oct 13
- Pinon Hills May 16 · Oct 13
Frequently asked questions
When is the last frost in Hesperia, CA?
The median last spring frost in Hesperia, CA is February 28. There is still about a 10% chance of frost after April 3, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Hesperia, CA?
The median first fall frost is December 1, with about a 10% chance of frost before November 11.
How long is the growing season in Hesperia, CA?
About 276 days between the median last spring frost and first fall frost.
What planting zone is Hesperia, CA?
Hesperia, CA is in USDA hardiness zone 8b.