Tennyson, IN 47637 Frost Dates
When can you plant in Tennyson, IN?
Around 04/12 is the usual last spring frost, about 227 days away. The first fall frost typically arrives around 10/25, about 196 frost-free days later.
The USDA Plant Hardiness Zone Map puts Tennyson in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 8 weeks of growing season left in Tennyson before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/12 isn't a guarantee
04/12 is the middle of 30 years of NOAA records, not a promise. Plant by 03/28 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tennyson compares
About 196 days separate Tennyson's last and first frost, putting it 19,088 of 40,283 ZIP codes nationally. Within IN, it ranks 176 of 927.
Learn more
the frost range covers how to read the range around Tennyson's dates instead of trusting one. local microclimates covers what one yard in Tennyson can differ from the 47637 normal.