El Paso de Robles (Paso Robles), CA 93447 Frost Dates
When can you plant in El Paso de Robles (Paso Robles), CA?
The last spring frost here typically falls around 04/04, about 219 days from today. The first fall frost typically arrives around 11/05, about 213 frost-free days later.
The USDA Plant Hardiness Zone Map puts El Paso de Robles (Paso Robles) in Zone 9a (20 to 25°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
About 10 weeks of growing season left in El Paso de Robles (Paso Robles) before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/04 isn't a guarantee
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/02 and you're betting against frost in roughly 9 years out of 10. 04/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How El Paso de Robles (Paso Robles) compares
At roughly 213 frost-free days, El Paso de Robles (Paso Robles) places 14,446 of 40,283 ZIP codes in this dataset. Within CA, it ranks 2,192 of 2,555.
Learn more
local microclimates covers what one yard in El Paso de Robles (Paso Robles) can differ from the 93447 normal. zone vs. frost date covers why Zone 9a and El Paso de Robles (Paso Robles)'s frost date answer different questions.