Landfall, MN 55119 Frost Dates
Frost dates for Landfall, MN, ZIP 55119
Around 04/26 is the usual last spring frost, about 241 days away. The first fall frost typically arrives around 10/12, about 166 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 Landfall, not a forecast for this year.
What to do before the first frost
Zone 5a around Landfall has about 6 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.
The actual range around Landfall's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Landfall compares
Landfall's growing season runs about 166 days, ranking 30,417 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 109 of 943.
Learn more
the frost range explains how to read the range around Landfall's dates instead of trusting one, and local microclimates explains what one yard in Landfall can differ from the 55119 normal.