Silver Lake, MN 55381 Frost Dates
When can you plant in Silver Lake, MN?
Typically, the last spring freeze lands around 04/28, roughly 243 days out. The first fall frost typically arrives around 10/08, about 163 frost-free days later.
The USDA Plant Hardiness Zone Map puts Silver Lake in Zone 4b (-25 to -20°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 Silver Lake before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Silver Lake's last frost
04/28 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. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Silver Lake compares
Silver Lake's growing season runs about 163 days, ranking 31,483 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 169 of 943.
Learn more
the frost range covers how to read the range around Silver Lake's dates instead of trusting one. local microclimates covers what one yard in Silver Lake can differ from the 55381 normal.