Orange Cove, CA 93647 Frost Dates
93647, near Orange Cove, CA: the frost window
Around 01/23 is the usual last spring frost, about 148 days away. Fall's first freeze usually shows up around 12/13, roughly 328 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Orange Cove in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Orange Cove's growing season runs out in roughly 15 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 01/23 isn't a guarantee
01/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/29 and only about 1 year in 10 sees frost after that.
Orange Cove against the rest of the dataset
Orange Cove's growing season runs about 328 days, ranking 3,196 of 40,283 US ZIP codes measured here, longest to shortest. Within CA, it ranks 1,372 of 2,555.
Learn more
Two guides worth reading on 93647: zone vs. frost date, on why Zone 9b and Orange Cove's frost date answer different questions, and the frost range, on how to read the range around Orange Cove's dates instead of trusting one.