St. Louis Park, MN 55426 Frost Dates
When can you plant in St. Louis Park, 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 St. Louis Park 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 St. Louis Park before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around St. Louis Park's last frost
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 St. Louis Park compares
St. Louis Park's growing season runs about 163 days, ranking 31,315 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 151 of 943.
Learn more
the frost range covers how to read the range around St. Louis Park's dates instead of trusting one. local microclimates covers what one yard in St. Louis Park can differ from the 55426 normal.