FrostDateCheck

Florence, KS 66851 Frost Dates

Frost dates for Florence, KS, ZIP 66851

Zone 6b

Typically, the last spring freeze lands around 04/22, roughly 237 days out. The first fall frost typically arrives around 10/17, about 176 frost-free days later.

The USDA Plant Hardiness Zone Map puts Florence in Zone 6b (-5 to 0°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

Zone 6b around Florence has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.

How much risk comes with planting early here

04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Florence compares

At roughly 176 frost-free days, Florence places 26,619 of 40,283 ZIP codes in this dataset. Within KS, it ranks 589 of 745.

Learn more

zone vs. frost date explains why Zone 6b and Florence's frost date answer different questions, and the frost range explains how to read the range around Florence's dates instead of trusting one.