Montgomery, OH 45249 Frost Dates
When can you plant in Montgomery, OH?
Around 04/22 is the usual last spring frost, about 237 days away. The first fall frost typically arrives around 10/18, about 178 frost-free days later.
The USDA Plant Hardiness Zone Map puts Montgomery in Zone 6b (-5 to 0°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 7 weeks of growing season left in Montgomery 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
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/06 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Montgomery compares
At roughly 178 frost-free days, Montgomery places 25,646 of 40,283 ZIP codes in this dataset. Within OH, it ranks 841 of 1,383.
Learn more
local microclimates covers what one yard in Montgomery can differ from the 45249 normal. zone vs. frost date covers why Zone 6b and Montgomery's frost date answer different questions.