Meriden, CT 06467 Frost Dates
When can you plant in Meriden, CT?
Around 04/26 is the usual last spring frost, about 241 days away. The first fall frost typically arrives around 10/16, about 175 frost-free days later.
The USDA Plant Hardiness Zone Map puts Meriden 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 Meriden 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
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Meriden compares
At roughly 175 frost-free days, Meriden places 26,717 of 40,283 ZIP codes in this dataset. Within CT, it ranks 297 of 391.
Learn more
local microclimates covers what one yard in Meriden can differ from the 06467 normal. zone vs. frost date covers why Zone 6b and Meriden's frost date answer different questions.