Loomis, CA 95650 Frost Dates
When can you plant in Loomis, CA?
The last spring frost here typically falls around 03/31, about 215 days from today. The first fall frost typically arrives around 11/21, about 237 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 12 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
03/31 is the middle of 30 years of NOAA records, not a promise. Plant by 02/24 and you're betting against frost in roughly 9 years out of 10. 04/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Loomis compares
Loomis's growing season runs about 237 days, ranking 9,099 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 2,137 of 2,555.
Learn more
local microclimates covers what one yard in Loomis can differ from the 95650 normal. zone vs. frost date covers why Zone 9b and Loomis's frost date answer different questions.