Redlands, CA 92374 Frost Dates
When can you plant in Redlands, CA?
The last spring frost here typically falls around 01/27, about 152 days from today. The first fall frost typically arrives around 12/19, about 329 frost-free days later.
Zone 10a (30 to 35°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 Redlands, not a forecast for this year.
What to do before the first frost
About 16 weeks of growing season left in Redlands before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Redlands's last frost
01/27 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 12/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Redlands compares
At roughly 329 frost-free days, Redlands places 3,081 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,334 of 2,555.
Learn more
the frost range covers how to read the range around Redlands's dates instead of trusting one. local microclimates covers what one yard in Redlands can differ from the 92374 normal.