FrostDateCheck

Belle Plaine, KS 67120 Frost Dates

When can you plant in Belle Plaine, KS?

Zone 7a

Typically, the last spring freeze lands around 04/14, roughly 229 days out. The first fall frost typically arrives around 10/22, about 189 frost-free days later.

Belle Plaine sits in USDA Zone 7a (0 to 5°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 8 weeks of growing season left in Belle Plaine before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Belle Plaine's last frost

04/14 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Belle Plaine compares

At roughly 189 frost-free days, Belle Plaine places 21,625 of 40,283 ZIP codes in this dataset. Within KS, it ranks 334 of 745.

Learn more

local microclimates covers what one yard in Belle Plaine can differ from the 67120 normal. zone vs. frost date covers why Zone 7a and Belle Plaine's frost date answer different questions.