Red Bluff, CA 96080 Frost Dates
When can you plant in Red Bluff, CA?
Typically, the last spring freeze lands around 02/22, roughly 178 days out. The first fall frost typically arrives around 11/29, about 281 frost-free days later.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Red Bluff, not a forecast for this year.
What to do before the first frost
About 13 weeks of growing season left in Red Bluff before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Red Bluff's last frost
02/22 is the middle of 30 years of NOAA records, not a promise. Plant by 01/17 and you're betting against frost in roughly 9 years out of 10. 03/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Red Bluff compares
At roughly 281 frost-free days, Red Bluff places 4,790 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,769 of 2,555.
Learn more
the frost range covers how to read the range around Red Bluff's dates instead of trusting one. local microclimates covers what one yard in Red Bluff can differ from the 96080 normal.