La Cañada Flintridge, CA 91214 Frost Dates
La Cañada Flintridge, CA: when does the frost end?
Typically, the last spring freeze lands around 01/02, roughly 127 days out. Fall's first freeze usually shows up around 12/26, roughly 364 days after the last spring frost.
La Cañada Flintridge 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.
Stretching the season past the first frost
With roughly 17 weeks until La Cañada Flintridge's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 01/02 isn't a guarantee
01/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/11 and only about 1 year in 10 sees frost after that.
La Cañada Flintridge against the rest of the dataset
About 364 days separate La Cañada Flintridge's last and first frost, putting it 2,041 of 40,283 ZIP codes nationally. Within CA, it ranks 929 of 2,555.
Learn more
Before leaning on 91214's figures: the frost range explains how to read the range around La Cañada Flintridge's dates instead of trusting one, while local microclimates explains what one yard in La Cañada Flintridge can differ from the 91214 normal.