Burbank, CA 91502 Frost Dates
Frost dates for Burbank, CA, ZIP 91502
Around 01/02 is the usual last spring frost, about 127 days away. The first fall frost typically arrives around 12/26, about 364 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 Burbank, not a forecast for this year.
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.
How much risk comes with planting early here
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 2,027 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 918 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 91502 normal.