Citrus Heights, CA 95621 Frost Dates
Frost dates for Citrus Heights, CA, ZIP 95621
The last spring frost here typically falls around 01/12, about 137 days from today. The first fall frost typically arrives around 12/16, about 341 frost-free days later.
Citrus Heights sits in USDA Zone 9b (25 to 30°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
Zone 9b around Citrus Heights has about 16 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.
How much risk comes with planting early here
01/12 is the middle of 30 years of NOAA records, not a promise. Plant by 02/08 and you're betting against frost in roughly 9 years out of 10. 12/18 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Citrus Heights compares
Citrus Heights's growing season runs about 341 days, ranking 2,588 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 1,145 of 2,555.
Learn more
the frost range explains how to read the range around Citrus Heights's dates instead of trusting one, and local microclimates explains what one yard in Citrus Heights can differ from the 95621 normal.