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International Falls, MN planting calendar

When to plant vegetables in International Falls, MN (USDA hardiness zone 3b). Typical last spring frost around May 29, 2026 13 days year to year), first fall frost around Sep 13, 202611 days).

Playing it safe? Spring frost holds off until about Jun 14, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

Want exact dates for your address, a drag-and-drop bed layout, and reminders when it’s time to sow? Enter your ZIP:

Or get a printable International Falls calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before International Falls, MN’s first frost (~Sep 13, 2026) — fastest first.

Month by month in International Falls, MN

February

March

April

May

June

July

Understand your frost dates

More Minnesota planting calendars

ZIP codes in International Falls

56649

Frost dates are NOAA 1991–2020 climate normals for a representative location in International Falls, MN (covering 1 ZIP); your exact dates depend on your address. Schedules are guidance, not guarantees.