Glendale, CA 91202 Frost Dates
When can you plant in Glendale, CA?
Typically, the last spring freeze lands around 01/02, roughly 127 days out. The first fall frost typically arrives around 12/26, about 364 frost-free days later.
Glendale sits in USDA Zone 10a (30 to 35°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 17 weeks of growing season left in Glendale before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 01/02 isn't a guarantee
01/02 is the middle of 30 years of NOAA records, not a promise. Plant by 01/31 and you're betting against frost in roughly 9 years out of 10. 12/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Glendale compares
At roughly 364 frost-free days, Glendale places 2,023 of 40,283 ZIP codes in this dataset. Within CA, it ranks 914 of 2,555.
Learn more
local microclimates covers what one yard in Glendale can differ from the 91202 normal. zone vs. frost date covers why Zone 10a and Glendale's frost date answer different questions.