Palmdale, CA 93510 Frost Dates
When can you plant in Palmdale, CA?
The last spring frost here typically falls around 03/10, about 194 days from today. The first fall frost typically arrives around 11/19, about 248 frost-free days later.
The USDA Plant Hardiness Zone Map puts Palmdale in Zone 9a (20 to 25°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
About 12 weeks of growing season left in Palmdale before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Palmdale's last frost
03/10 is the middle of 30 years of NOAA records, not a promise. Plant by 02/12 and you're betting against frost in roughly 9 years out of 10. 04/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Palmdale compares
Palmdale's growing season runs about 248 days, ranking 7,673 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,097 of 2,555.
Learn more
local microclimates covers what one yard in Palmdale can differ from the 93510 normal. zone vs. frost date covers why Zone 9a and Palmdale's frost date answer different questions.