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Isabella, MN planting calendar

When to plant vegetables in Isabella, MN (USDA hardiness zone 3b). Typical last spring frost around May 31, 2026 14 days year to year), first fall frost around Sep 15, 202612 days).

Playing it safe? Spring frost holds off until about Jun 17, 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 Isabella calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Isabella, MN’s first frost (~Sep 15, 2026) — fastest first.

Month by month in Isabella, MN

February

March

April

May

June

July

Understand your frost dates

More Minnesota planting calendars

ZIP codes in Isabella

55607

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