Lomita, CA 90744 Frost Dates
When can you plant in Lomita, CA?
The last spring frost here typically falls around 01/09, about 134 days from today. The first fall frost typically arrives around 01/05, about 365 frost-free days later.
Zone 10b (35 to 40°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 Lomita, not a forecast for this year.
What to do before the first frost
About 19 weeks of growing season left in Lomita before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Lomita's last frost
01/09 is the middle of 30 years of NOAA records, not a promise. Plant by 02/24 and you're betting against frost in roughly 9 years out of 10. 12/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lomita compares
Lomita's growing season runs about 365 days, ranking 1,342 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 627 of 2,555.
Learn more
local microclimates covers what one yard in Lomita can differ from the 90744 normal. zone vs. frost date covers why Zone 10b and Lomita's frost date answer different questions.