FrostDateCheck

Calabasas, CA 91302 Frost Dates

When can you plant in Calabasas, CA?

Zone 10b

Typically, the last spring freeze lands around 01/24, roughly 149 days out. The first fall frost typically arrives around 12/15, about 329 frost-free days later.

Calabasas sits in USDA Zone 10b (35 to 40°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 16 weeks of growing season left in Calabasas before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

01/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/05 and you're betting against frost in roughly 9 years out of 10. 12/21 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Calabasas compares

Calabasas's growing season runs about 329 days, ranking 3,092 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 1,344 of 2,555.

Learn more

the frost range covers how to read the range around Calabasas's dates instead of trusting one. local microclimates covers what one yard in Calabasas can differ from the 91302 normal.