Randalia, IA 52164 Frost Dates
When can you plant in Randalia, IA?
Around 05/04 is the usual last spring frost, about 249 days away. The first fall frost typically arrives around 10/04, about 151 frost-free days later.
Randalia sits in USDA Zone 5a (-20 to -15°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 5 weeks of growing season left in Randalia 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
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/20 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Randalia compares
Randalia's growing season runs about 151 days, ranking 35,216 of 40,283 US ZIP codes measured here, longest to shortest. Within IA, it ranks 993 of 1,042.
Learn more
local microclimates covers what one yard in Randalia can differ from the 52164 normal. zone vs. frost date covers why Zone 5a and Randalia's frost date answer different questions.