Susanville, CA 89520 Frost Dates
When can you plant in Susanville, CA?
The last spring frost here typically falls around 04/28, about 243 days from today. The first fall frost typically arrives around 10/15, about 169 frost-free days later.
Susanville sits in USDA Zone 7b (5 to 10°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 7 weeks of growing season left in Susanville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Susanville's last frost
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Susanville compares
At roughly 169 frost-free days, Susanville places 29,363 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,385 of 2,555.
Learn more
the frost range covers how to read the range around Susanville's dates instead of trusting one. local microclimates covers what one yard in Susanville can differ from the 89520 normal.