Spring Hill, IN 46208 Frost Dates
When can you plant in Spring Hill, IN?
Typically, the last spring freeze lands around 04/12, roughly 227 days out. The first fall frost typically arrives around 10/29, about 198 frost-free days later.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Spring Hill, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Spring Hill 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
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Spring Hill compares
At roughly 198 frost-free days, Spring Hill places 18,562 of 40,283 ZIP codes in this dataset. Within IN, it ranks 126 of 927.
Learn more
the frost range covers how to read the range around Spring Hill's dates instead of trusting one. local microclimates covers what one yard in Spring Hill can differ from the 46208 normal.