Ridgecrest, CA 93530 Frost Dates
When can you plant in Ridgecrest, CA?
Typically, the last spring freeze lands around 01/04, roughly 129 days out. The first fall frost typically arrives around 12/22, about 352 frost-free days later.
The USDA Plant Hardiness Zone Map puts Ridgecrest in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 17 weeks of growing season left in Ridgecrest before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
01/04 is the middle of 30 years of NOAA records, not a promise. Plant by 01/23 and you're betting against frost in roughly 9 years out of 10. 12/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Ridgecrest compares
At roughly 352 frost-free days, Ridgecrest places 2,279 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,010 of 2,555.
Learn more
zone vs. frost date covers why Zone 8b and Ridgecrest's frost date answer different questions. the frost range covers how to read the range around Ridgecrest's dates instead of trusting one.