Tower, MN 55790 Frost Dates
When can you plant in Tower, MN?
The NOAA station nearest to 55790 does not report a usable frost-date normal for either event, so no last-frost or first-frost figure is shown here. The USDA hardiness zone below is still real: Zone 3a (-40 to -35°F average annual minimum).
How Tower compares
At roughly 89 frost-free days, Tower places 39,929 of 40,283 ZIP codes in this dataset. Within MN, it ranks 933 of 943.
Learn more
zone vs. frost date covers why Zone 3a and Tower's frost date answer different questions. local microclimates covers what one yard in Tower can differ from the 55790 normal.