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Grand Marais, MN planting calendar

When to plant vegetables in Grand Marais, MN (USDA hardiness zone 3b). Typical last spring frost around May 22, 2026 18 days year to year), first fall frost around Oct 9, 202612 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:

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Still time to plant

As of today, these crops can still reach harvest before Grand Marais, MN’s first frost (~Oct 9, 2026) — fastest first.

Month by month in Grand Marais, MN

February

March

April

May

June

July

August

Understand your frost dates

More Minnesota planting calendars

ZIP codes in Grand Marais

55604

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