Moorpark, CA 93021 Frost Dates
When can you plant in Moorpark, CA?
Around 12/31 is the usual last spring frost, about 125 days away. The first fall frost typically arrives around 12/28, about 365 frost-free days later.
Zone 10a (30 to 35°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 Moorpark, not a forecast for this year.
What to do before the first frost
About 17 weeks of growing season left in Moorpark before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Moorpark's last frost
12/31 is the middle of 30 years of NOAA records, not a promise. Plant by 02/02 and you're betting against frost in roughly 9 years out of 10. 12/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Moorpark compares
About 365 days separate Moorpark's last and first frost, putting it 1,000 of 40,283 ZIP codes nationally. Within CA, it ranks 424 of 2,555.
Learn more
the frost range covers how to read the range around Moorpark's dates instead of trusting one. local microclimates covers what one yard in Moorpark can differ from the 93021 normal.