FrostDateCheck

Placerville, CA 95634 Frost Dates

When can you plant in Placerville, CA?

Zone 9a

Around 04/12 is the usual last spring frost, about 227 days away. The first fall frost typically arrives around 11/21, about 221 frost-free days later.

Zone 9a (20 to 25°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 Placerville, not a forecast for this year.

What to do before the first frost

About 12 weeks of growing season left in Placerville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Placerville's last frost

04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/13 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Placerville compares

At roughly 221 frost-free days, Placerville places 12,480 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,179 of 2,555.

Learn more

the frost range covers how to read the range around Placerville's dates instead of trusting one. local microclimates covers what one yard in Placerville can differ from the 95634 normal.