Elk Grove, CA 94250 Frost Dates
Frost dates for Elk Grove, CA, ZIP 94250
Around 02/02 is the usual last spring frost, about 158 days away. The first fall frost typically arrives around 12/02, about 301 frost-free days later.
Zone 9b (25 to 30°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 Elk Grove, not a forecast for this year.
What to do before the first frost
Zone 9b around Elk Grove has about 14 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.
The actual range around Elk Grove's last frost
02/02 is the middle of 30 years of NOAA records, not a promise. Plant by 01/02 and you're betting against frost in roughly 9 years out of 10. 03/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Elk Grove compares
At roughly 301 frost-free days, Elk Grove places 3,829 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,555 of 2,555.
Learn more
local microclimates explains what one yard in Elk Grove can differ from the 94250 normal, and zone vs. frost date explains why Zone 9b and Elk Grove's frost date answer different questions.