Millville, NJ 08329 Frost Dates
When can you plant in Millville, NJ?
Around 04/24 is the usual last spring frost, about 239 days away. The first fall frost typically arrives around 10/23, about 181 frost-free days later.
Zone 7b (5 to 10°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 Millville, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Millville 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
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 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 Millville compares
Millville's growing season runs about 181 days, ranking 24,455 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 722 of 906.
Learn more
local microclimates covers what one yard in Millville can differ from the 08329 normal. zone vs. frost date covers why Zone 7b and Millville's frost date answer different questions.