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Harbor Springs, MI planting calendar

When to plant vegetables in Harbor Springs, MI (USDA hardiness zone 5b). Typical last spring frost around May 6, 2026 11 days year to year), first fall frost around Oct 20, 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 Harbor Springs, MI’s first frost (~Oct 20, 2026) — fastest first.

Month by month in Harbor Springs, MI

January

February

March

April

May

June

August

Understand your frost dates

More Michigan planting calendars

ZIP codes in Harbor Springs

49740

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