Dallas City, IL 62329 Frost Dates
When can you plant in Dallas City, IL?
Around 04/12 is the usual last spring frost, about 227 days away. The first fall frost typically arrives around 10/25, about 194 frost-free days later.
The USDA Plant Hardiness Zone Map puts Dallas City in Zone 6a (-10 to -5°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
About 8 weeks of growing season left in Dallas City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dallas City compares
Dallas City's growing season runs about 194 days, ranking 19,548 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 362 of 1,548.
Learn more
the frost range covers how to read the range around Dallas City's dates instead of trusting one. local microclimates covers what one yard in Dallas City can differ from the 62329 normal.