Warren Park, IN 46218 Frost Dates
When can you plant in Warren Park, IN?
Typically, the last spring freeze lands around 04/18, roughly 233 days out. The first fall frost typically arrives around 10/26, about 190 frost-free days later.
Warren Park sits in USDA Zone 6a (-10 to -5°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 8 weeks of growing season left in Warren Park before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Warren Park's last frost
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 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 Warren Park compares
About 190 days separate Warren Park's last and first frost, putting it 21,217 of 40,283 ZIP codes nationally. Within IN, it ranks 266 of 927.
Learn more
local microclimates covers what one yard in Warren Park can differ from the 46218 normal. zone vs. frost date covers why Zone 6a and Warren Park's frost date answer different questions.