Trotwood, OH 45426 Frost Dates
When can you plant in Trotwood, OH?
Typically, the last spring freeze lands around 04/16, roughly 231 days out. The first fall frost typically arrives around 10/28, about 194 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 Trotwood, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Trotwood before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Trotwood's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/02 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Trotwood compares
At roughly 194 frost-free days, Trotwood places 19,445 of 40,283 ZIP codes in this dataset. Within OH, it ranks 157 of 1,383.
Learn more
local microclimates covers what one yard in Trotwood can differ from the 45426 normal. zone vs. frost date covers why Zone 6b and Trotwood's frost date answer different questions.