Alhambra, IL 62001 Frost Dates
When can you plant in Alhambra, IL?
Around 04/04 is the usual last spring frost, about 219 days away. The first fall frost typically arrives around 11/05, about 214 frost-free days later.
Alhambra sits in USDA Zone 6b (-5 to 0°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 10 weeks of growing season left in Alhambra 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
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Alhambra compares
Alhambra's growing season runs about 214 days, ranking 14,338 of 40,283 US ZIP codes measured here, longest to shortest. Within IL, it ranks 27 of 1,548.
Learn more
the frost range covers how to read the range around Alhambra's dates instead of trusting one. local microclimates covers what one yard in Alhambra can differ from the 62001 normal.