Point Arena, CA 95466 Frost Dates
When can you plant in Point Arena, CA?
Around 03/19 is the usual last spring frost, about 203 days away. The first fall frost typically arrives around 11/20, about 245 frost-free days later.
Point Arena 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
About 12 weeks of growing season left in Point Arena before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/19 is the middle of 30 years of NOAA records, not a promise. Plant by 02/13 and you're betting against frost in roughly 9 years out of 10. 04/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Point Arena compares
At roughly 245 frost-free days, Point Arena places 8,068 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,109 of 2,555.
Learn more
zone vs. frost date covers why Zone 9b and Point Arena's frost date answer different questions. the frost range covers how to read the range around Point Arena's dates instead of trusting one.