New Hope, MN 55442 Frost Dates
When can you plant in New Hope, MN?
The last spring frost here typically falls around 04/29, about 244 days from today. The first fall frost typically arrives around 10/12, about 163 frost-free days later.
The USDA Plant Hardiness Zone Map puts New Hope in Zone 5a (-20 to -15°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 6 weeks of growing season left in New Hope before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/29 isn't a guarantee
04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Hope compares
New Hope's growing season runs about 163 days, ranking 31,335 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 154 of 943.
Learn more
local microclimates covers what one yard in New Hope can differ from the 55442 normal. zone vs. frost date covers why Zone 5a and New Hope's frost date answer different questions.