Swayzee, IN 46986 Frost Dates
When can you plant in Swayzee, IN?
Typically, the last spring freeze lands around 04/26, roughly 241 days out. The first fall frost typically arrives around 10/20, about 175 frost-free days later.
Swayzee 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 Swayzee before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Swayzee's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Swayzee compares
About 175 days separate Swayzee's last and first frost, putting it 27,099 of 40,283 ZIP codes nationally. Within IN, it ranks 643 of 927.
Learn more
local microclimates covers what one yard in Swayzee can differ from the 46986 normal. zone vs. frost date covers why Zone 6a and Swayzee's frost date answer different questions.