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Aitkin, MN planting calendar

When to plant vegetables in Aitkin, MN (USDA hardiness zone 4a). Typical last spring frost around May 16, 2026 13 days year to year), first fall frost around Sep 28, 202612 days).

Playing it safe? Spring frost holds off until about Jun 1, 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 Aitkin calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Aitkin, MN’s first frost (~Sep 28, 2026) — fastest first.

Month by month in Aitkin, MN

February

March

April

May

June

July

August

Understand your frost dates

More Minnesota planting calendars

ZIP codes in Aitkin

56431

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