Burbank, CA 91505 Frost Dates
91505, near Burbank, CA: the frost window
The last spring frost here typically falls around 01/02, about 127 days from today. Fall's first freeze usually shows up around 12/26, roughly 364 days after the last spring frost.
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.
Stretching the season past the first frost
Burbank's growing season runs out in roughly 17 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Burbank's last frost
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.
Burbank against the rest of the dataset
At roughly 364 frost-free days, Burbank places 2,029 of 40,283 ZIP codes in this dataset. Within CA, it ranks 920 of 2,555.
Learn more
Two guides worth reading on 91505: zone vs. frost date, on why Zone 10a and Burbank's frost date answer different questions, and the frost range, on how to read the range around Burbank's dates instead of trusting one.