Hastings, MN 55033 Frost Dates
Frost dates for Hastings, MN, ZIP 55033
Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 10/19, about 177 frost-free days later.
Zone 5a (-20 to -15°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 Hastings, not a forecast for this year.
What to do before the first frost
Zone 5a around Hastings has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/23 isn't a guarantee
04/23 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. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hastings compares
Hastings's growing season runs about 177 days, ranking 26,044 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 16 of 943.
Learn more
zone vs. frost date explains why Zone 5a and Hastings's frost date answer different questions, and the frost range explains how to read the range around Hastings's dates instead of trusting one.