FrostDateCheck

Collinwood, TN 38450 Frost Dates

When can you plant in Collinwood, TN?

Zone 7b

Around 04/14 is the usual last spring frost, about 229 days away. The first fall frost typically arrives around 10/24, about 192 frost-free days later.

Collinwood sits in USDA Zone 7b (5 to 10°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 Collinwood 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

04/14 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. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Collinwood compares

About 192 days separate Collinwood's last and first frost, putting it 20,477 of 40,283 ZIP codes nationally. Within TN, it ranks 638 of 770.

Learn more

the frost range covers how to read the range around Collinwood's dates instead of trusting one. local microclimates covers what one yard in Collinwood can differ from the 38450 normal.