New Hope, MN 55428 Frost Dates
When can you plant in New Hope, MN?
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/08, about 159 frost-free days later.
New Hope sits in USDA Zone 5a (-20 to -15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a 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.
How much risk comes with planting early here
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How New Hope compares
About 159 days separate New Hope's last and first frost, putting it 32,593 of 40,283 ZIP codes nationally. Within MN, it ranks 247 of 943.
Learn more
local microclimates covers what one yard in New Hope can differ from the 55428 normal. zone vs. frost date covers why Zone 5a and New Hope's frost date answer different questions.