FrostDateCheck

Robbinsdale, MN 55422 Frost Dates

When can you plant in Robbinsdale, MN?

Zone 5a

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 Robbinsdale 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 Robbinsdale before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

How much risk comes with planting early here

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 Robbinsdale compares

Robbinsdale's growing season runs about 163 days, ranking 31,351 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 162 of 943.

Learn more

the frost range covers how to read the range around Robbinsdale's dates instead of trusting one. local microclimates covers what one yard in Robbinsdale can differ from the 55422 normal.