Geneva, IL 60134 Frost Dates
60134, near Geneva, IL: the frost window
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/23, roughly 185 days after the last spring frost.
Geneva sits in USDA Zone 5b (-15 to -10°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.
Stretching the season past the first frost
Geneva's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/04 and only about 1 year in 10 sees frost after that.
Geneva against the rest of the dataset
At roughly 185 frost-free days, Geneva places 23,077 of 40,283 ZIP codes in this dataset. Within IL, it ranks 823 of 1,548.
Learn more
Two guides worth reading on 60134: the frost range, on how to read the range around Geneva's dates instead of trusting one, and local microclimates, on what one yard in Geneva can differ from the 60134 normal.