Loyalton, CA frost dates
Last spring frostMay 9median date
First fall frostOct 17median date
Growing season161 daysfrost-free
Hardiness zone6bZone 6b
How Loyalton compares
- In 8 years out of 10, the last spring frost in Loyalton falls between April 23 and June 2, a 40-day window. The first fall frost falls between October 1 and November 3.
- The median last frost is 39 days later than the California median of Mar 31.
- Its 161-day growing season is longer than 18% of the 636 California places with a regular frost season (state median 235 days).
- The last frost is 17 days later than the zone 6b median of Apr 22. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 6b chart.
- The weather station records an average of 136 nights a year at or below 32°F.
- Compared with Reno, NV, 38 km away, the last frost here is 11 days later than there and the growing season is 21 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | April 23 |
| 50% (median) | May 9 |
| 10% (safe for tender plants) | June 2 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 1 |
| 50% (median) | October 17 |
| 90% (late) | November 3 |
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 Loyalton, CA
Loyalton, CA frost dates — last frost May 9, first frost Oct 17, zone 6b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Feb 14 to Feb 28Transplant outside: Apr 11 to Apr 25
Start indoors: Feb 28 to Mar 14Transplant outside: May 23 to Jun 6
Start indoors: Feb 28 to Mar 14Transplant outside: May 23 to Jun 6
Start indoors: Mar 14 to Mar 28Transplant outside: May 16 to May 30
Start indoors: Mar 14 to Mar 28Transplant outside: Apr 18 to May 2Sow outdoors: Apr 11 to May 16Plant for fall: Aug 22 to Sep 19
Start indoors: Mar 14 to Mar 28Transplant outside: Apr 11 to Apr 25Sow outdoors: Apr 11 to Apr 25Plant for fall: Aug 8 to Aug 29
Start indoors: Mar 14 to Mar 28Transplant outside: Apr 25 to May 9Plant for fall: Jul 11 to Aug 1
Start indoors: Mar 14 to Mar 28Transplant outside: Apr 18 to May 2Plant for fall: Jul 11 to Aug 1
Start indoors: Mar 14 to Mar 28Transplant outside: Apr 25 to May 9Plant for fall: Jul 11 to Aug 1
Start indoors: Mar 28 to Apr 11Transplant outside: May 30 to Jun 13Sow outdoors: May 30 to Jun 13
Start indoors: Mar 28 to Apr 11Transplant outside: May 16 to May 30
Sow outdoors: Mar 28 to Apr 18Plant for fall: Jul 25 to Aug 15
Sow outdoors: Mar 28 to Apr 18Plant for fall: Aug 22 to Sep 12
Sow outdoors: Apr 4 to May 16Plant for fall: Sep 5 to Sep 26
Start indoors: Apr 11 to Apr 18Transplant outside: May 23 to May 30Sow outdoors: May 16 to May 30Plant for fall: Aug 1 to Aug 15
Start indoors: Apr 11 to Apr 18Sow outdoors: May 16 to May 30Plant for fall: Aug 8 to Aug 22
Start indoors: Apr 11 to Apr 18Sow outdoors: May 16 to May 30
Start indoors: Apr 11 to Apr 18Transplant outside: May 23 to Jun 6
Sow outdoors: Apr 18 to May 16Plant for fall: Jul 25 to Aug 8
Sow outdoors: Apr 18 to May 16Plant for fall: Aug 8 to Aug 22
Sow outdoors: Apr 18 to May 9
Sow outdoors: Apr 25 to May 23Plant for fall: Aug 8 to Aug 22
Sow outdoors: Apr 25 to May 16Plant for fall: Aug 22 to Sep 12
Sow outdoors: May 16 to Jun 6Plant for fall: Aug 1 to Aug 15
Sow outdoors: May 16 to May 30
Transplant outside: May 23 to Jun 13
Plant for fall: Oct 3 to Nov 7
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Loyalton, CA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Feb 14 – Feb 28 | Apr 11 – Apr 25 | — | — |
| Peppers | Feb 28 – Mar 14 | May 23 – Jun 6 | — | — |
| Eggplant | Feb 28 – Mar 14 | May 23 – Jun 6 | — | — |
| Tomatoes | Mar 14 – Mar 28 | May 16 – May 30 | — | — |
| Lettuce | Mar 14 – Mar 28 | Apr 18 – May 2 | Apr 11 – May 16 | Aug 22 – Sep 19 |
| Kale | Mar 14 – Mar 28 | Apr 11 – Apr 25 | Apr 11 – Apr 25 | Aug 8 – Aug 29 |
| Broccoli | Mar 14 – Mar 28 | Apr 25 – May 9 | — | Jul 11 – Aug 1 |
| Cabbage | Mar 14 – Mar 28 | Apr 18 – May 2 | — | Jul 11 – Aug 1 |
| Cauliflower | Mar 14 – Mar 28 | Apr 25 – May 9 | — | Jul 11 – Aug 1 |
| Okra | Mar 28 – Apr 11 | May 30 – Jun 13 | May 30 – Jun 13 | — |
| Basil | Mar 28 – Apr 11 | May 16 – May 30 | — | — |
| Peas | — | — | Mar 28 – Apr 18 | Jul 25 – Aug 15 |
| Spinach | — | — | Mar 28 – Apr 18 | Aug 22 – Sep 12 |
| Radishes | — | — | Apr 4 – May 16 | Sep 5 – Sep 26 |
| Cucumbers | Apr 11 – Apr 18 | May 23 – May 30 | May 16 – May 30 | Aug 1 – Aug 15 |
| Zucchini & Summer Squash | Apr 11 – Apr 18 | — | May 16 – May 30 | Aug 8 – Aug 22 |
| Winter Squash & Pumpkins | Apr 11 – Apr 18 | — | May 16 – May 30 | — |
| Melons & Watermelon | Apr 11 – Apr 18 | May 23 – Jun 6 | — | — |
| Carrots | — | — | Apr 18 – May 16 | Jul 25 – Aug 8 |
| Beets | — | — | Apr 18 – May 16 | Aug 8 – Aug 22 |
| Potatoes | — | — | Apr 18 – May 9 | — |
| Swiss Chard | — | — | Apr 25 – May 23 | Aug 8 – Aug 22 |
| Cilantro | — | — | Apr 25 – May 16 | Aug 22 – Sep 12 |
| Green Beans | — | — | May 16 – Jun 6 | Aug 1 – Aug 15 |
| Sweet Corn | — | — | May 16 – May 30 | — |
| Sweet Potatoes | — | May 23 – Jun 13 | — | — |
| Garlic | — | — | — | Oct 3 – Nov 7 |
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 Verdi 2w, CA weather station, 23 km away (elevation 5,430 ft (1,655 m)).
Frost dates near Loyalton
- Sierraville frost any month
- Calpine Jun 11 · Sep 10
- Vinton May 21 · Oct 1
- Chilcoot May 21 · Oct 1
- Beckwourth Jun 11 · Sep 10
- Portola Jun 11 · Sep 10
- Clio Jun 11 · Sep 10
- Sierra City May 12 · Oct 29
- Floriston frost any month
- Truckee frost any month
Frequently asked questions
When is the last frost in Loyalton, CA?
The median last spring frost in Loyalton, CA is May 9. There is still about a 10% chance of frost after June 2, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Loyalton, CA?
The median first fall frost is October 17, with about a 10% chance of frost before October 1.
How long is the growing season in Loyalton, CA?
About 161 days between the median last spring frost and first fall frost.
What planting zone is Loyalton, CA?
Loyalton, CA is in USDA hardiness zone 6b.