Blythe, CA 92225 Frost Dates
When can you plant in Blythe, CA?
The last spring frost here typically falls around 01/25, about 150 days from today. The first fall frost typically arrives around 12/12, about 325 frost-free days later.
The USDA Plant Hardiness Zone Map puts Blythe in Zone 9b (25 to 30°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 15 weeks of growing season left in Blythe before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Blythe's last frost
01/25 is the middle of 30 years of NOAA records, not a promise. Plant by 02/24 and you're betting against frost in roughly 9 years out of 10. 12/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Blythe compares
At roughly 325 frost-free days, Blythe places 3,216 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,378 of 2,555.
Learn more
the frost range covers how to read the range around Blythe's dates instead of trusting one. local microclimates covers what one yard in Blythe can differ from the 92225 normal.