FrostDateCheck

Henderson, NV 89142 Frost Dates

When can you plant in Henderson, NV?

Zone 9b

Around 02/01 is the usual last spring frost, about 157 days away. The first fall frost typically arrives around 12/08, about 311 frost-free days later.

Henderson sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

About 15 weeks of growing season left in Henderson before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Henderson's last frost

02/01 is the middle of 30 years of NOAA records, not a promise. Plant by 01/02 and you're betting against frost in roughly 9 years out of 10. 02/24 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Henderson compares

Henderson's growing season runs about 311 days, ranking 3,510 of 40,283 US ZIP codes measured here, longest to shortest. Within NV, it ranks 68 of 222.

Learn more

zone vs. frost date covers why Zone 9b and Henderson's frost date answer different questions. the frost range covers how to read the range around Henderson's dates instead of trusting one.