Corning, CA 96074 Frost Dates
Frost dates for Corning, CA, ZIP 96074
Around 04/05 is the usual last spring frost, about 220 days away. The first fall frost typically arrives around 11/13, about 220 frost-free days later.
The USDA Plant Hardiness Zone Map puts Corning in Zone 9b (25 to 30°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
Zone 9b around Corning has about 11 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
04/05 is the middle of 30 years of NOAA records, not a promise. Plant by 03/08 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Corning compares
Corning's growing season runs about 220 days, ranking 12,782 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,181 of 2,555.
Learn more
the frost range explains how to read the range around Corning's dates instead of trusting one, and local microclimates explains what one yard in Corning can differ from the 96074 normal.