FrostDateCheck

Burbank, CA 91601 Frost Dates

Frost dates for Burbank, CA, ZIP 91601

Zone 10a

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.

The USDA Plant Hardiness Zone Map puts Burbank in Zone 10a (30 to 35°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

Zone 10a around Burbank has about 17 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

The actual range around Burbank's last frost

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 Burbank compares

Burbank's growing season runs about 364 days, ranking 2,031 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 922 of 2,555.

Learn more

the frost range explains how to read the range around Burbank's dates instead of trusting one, and local microclimates explains what one yard in Burbank can differ from the 91601 normal.