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Alpena, MI planting calendar

When to plant vegetables in Alpena, MI (USDA hardiness zone 5b). Typical last spring frost around May 5, 2026 12 days year to year), first fall frost around Oct 17, 202613 days).

Playing it safe? Spring frost holds off until about May 20, 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 Alpena, MI’s first frost (~Oct 17, 2026) — fastest first.

Month by month in Alpena, MI

January

February

March

April

May

June

August

Understand your frost dates

More Michigan planting calendars

ZIP codes in Alpena

49707

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