Loomis, CA 95746 Frost Dates
When can you plant in Loomis, CA?
Typically, the last spring freeze lands around 01/12, roughly 137 days out. The first fall frost typically arrives around 12/16, about 341 frost-free days later.
The USDA Plant Hardiness Zone Map puts Loomis in Zone 9b (25 to 30°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 16 weeks of growing season left in Loomis 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
01/12 is the middle of 30 years of NOAA records, not a promise. Plant by 02/08 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 Loomis compares
At roughly 341 frost-free days, Loomis places 2,612 of 40,283 ZIP codes in this dataset. Within CA, it ranks 1,160 of 2,555.
Learn more
local microclimates covers what one yard in Loomis can differ from the 95746 normal. zone vs. frost date covers why Zone 9b and Loomis's frost date answer different questions.