Marysville, CA 95901 Frost Dates
When can you plant in Marysville, CA?
The last spring frost here typically falls around 01/15, about 140 days from today. The first fall frost typically arrives around 12/12, about 333 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 Marysville, not a forecast for this year.
What to do before the first frost
About 15 weeks of growing season left in Marysville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Marysville's last frost
01/15 is the middle of 30 years of NOAA records, not a promise. Plant by 02/18 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 Marysville compares
About 333 days separate Marysville's last and first frost, putting it 2,840 of 40,283 ZIP codes nationally. Within CA, it ranks 1,289 of 2,555.
Learn more
local microclimates covers what one yard in Marysville can differ from the 95901 normal. zone vs. frost date covers why Zone 9b and Marysville's frost date answer different questions.