Lawrence, KS 66047 Frost Dates
Frost dates for Lawrence, KS, ZIP 66047
The last spring frost here typically falls around 04/21, about 236 days from today. The first fall frost typically arrives around 10/17, about 177 frost-free days later.
The USDA Plant Hardiness Zone Map puts Lawrence 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 Lawrence 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
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 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 Lawrence compares
About 177 days separate Lawrence's last and first frost, putting it 25,978 of 40,283 ZIP codes nationally. Within KS, it ranks 575 of 745.
Learn more
zone vs. frost date explains why Zone 6b and Lawrence's frost date answer different questions, and the frost range explains how to read the range around Lawrence's dates instead of trusting one.