Lucerne Valley, CA frost dates
How Lucerne Valley compares
- In 8 years out of 10, the last spring frost in Lucerne Valley falls between May 6 and June 9, a 34-day window. The first fall frost falls between September 21 and October 20.
- The median last frost is 57 days later than the California median of Mar 31.
- Its 130-day growing season is longer than 9% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 72 days later 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 176 nights a year at or below 32°F.
- Compared with Apple Valley, CA, 27 km away, the last frost here is 70 days later than there and the growing season is 108 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | May 6 |
| 50% (median) | May 27 |
| 10% (safe for tender plants) | June 9 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | September 21 |
| 50% (median) | October 4 |
| 90% (late) | October 20 |
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 Lucerne Valley, CA
Lucerne Valley, CA frost dates — last frost May 27, first frost Oct 4, zone 8b. whenisthelastfrost.com
When to plant vegetables in Lucerne Valley, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Mar 4 – Mar 18 | Apr 29 – May 13 | — | — |
| Peppers | Mar 18 – Apr 1 | Jun 10 – Jun 24 | — | — |
| Eggplant | Mar 18 – Apr 1 | Jun 10 – Jun 24 | — | — |
| Tomatoes | Apr 1 – Apr 15 | Jun 3 – Jun 17 | — | — |
| Lettuce | Apr 1 – Apr 15 | May 6 – May 20 | Apr 29 – Jun 3 | Aug 9 – Sep 6 |
| Kale | Apr 1 – Apr 15 | Apr 29 – May 13 | Apr 29 – May 13 | Jul 26 – Aug 16 |
| Broccoli | Apr 1 – Apr 15 | May 13 – May 27 | — | Jun 28 – Jul 19 |
| Cabbage | Apr 1 – Apr 15 | May 6 – May 20 | — | Jun 28 – Jul 19 |
| Cauliflower | Apr 1 – Apr 15 | May 13 – May 27 | — | Jun 28 – Jul 19 |
| Okra | Apr 15 – Apr 29 | Jun 17 – Jul 1 | Jun 17 – Jul 1 | — |
| Basil | Apr 15 – Apr 29 | Jun 3 – Jun 17 | — | — |
| Peas | — | — | Apr 15 – May 6 | Jul 12 – Aug 2 |
| Spinach | — | — | Apr 15 – May 6 | Aug 9 – Aug 30 |
| Radishes | — | — | Apr 22 – Jun 3 | Aug 23 – Sep 13 |
| Cucumbers | Apr 29 – May 6 | Jun 10 – Jun 17 | Jun 3 – Jun 17 | Jul 19 – Aug 2 |
| Zucchini & Summer Squash | Apr 29 – May 6 | — | Jun 3 – Jun 17 | Jul 26 – Aug 9 |
| Winter Squash & Pumpkins | Apr 29 – May 6 | — | Jun 3 – Jun 17 | — |
| Melons & Watermelon | Apr 29 – May 6 | Jun 10 – Jun 24 | — | — |
| Carrots | — | — | May 6 – Jun 3 | Jul 12 – Jul 26 |
| Beets | — | — | May 6 – Jun 3 | Jul 26 – Aug 9 |
| Potatoes | — | — | May 6 – May 27 | — |
| Swiss Chard | — | — | May 13 – Jun 10 | Jul 26 – Aug 9 |
| Cilantro | — | — | May 13 – Jun 3 | Aug 9 – Aug 30 |
| Green Beans | — | — | Jun 3 – Jun 24 | Jul 19 – Aug 2 |
| Sweet Corn | — | — | Jun 3 – Jun 17 | — |
| Sweet Potatoes | — | Jun 10 – Jul 1 | — | — |
| Garlic | — | — | — | Sep 20 – Oct 25 |
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 Big Bear Lake, CA weather station, 23 km away (elevation 6,752 ft (2,058 m)).
Frost dates near Lucerne Valley
- Fawnskin May 27 · Oct 4
- Big Bear City May 27 · Oct 4
- Big Bear Lake May 27 · Oct 4
- Sugarloaf May 27 · Oct 4
- Apple Valley Mar 18 · Nov 11
- Green Valley Lake May 5 · Nov 2
- Blue Jay May 5 · Nov 2
- Cedar Glen May 5 · Nov 2
- Running Springs May 5 · Nov 2
- Angelus Oaks May 27 · Oct 4
Frequently asked questions
When is the last frost in Lucerne Valley, CA?
The median last spring frost in Lucerne Valley, CA is May 27. There is still about a 10% chance of frost after June 9, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Lucerne Valley, CA?
The median first fall frost is October 4, with about a 10% chance of frost before September 21.
How long is the growing season in Lucerne Valley, CA?
About 130 days between the median last spring frost and first fall frost.
What planting zone is Lucerne Valley, CA?
Lucerne Valley, CA is in USDA hardiness zone 8b.