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Planting calendar for ZIP 48108 (Ann Arbor, MI)

When to plant vegetables in Ann Arbor, MI (USDA hardiness zone 6a). Typical last spring frost around May 8, 2027 (±13 days year to year), first fall frost around Oct 4, 2027 (±11 days).

Playing it safe? Spring frost holds off until about May 24, 2027 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Ann Arbor, MI planting calendar for dates typical of the whole city.

Turn these dates into a plan: lay out your beds, place each crop on its sow and transplant dates, and get a reminder when it’s time. Free on one garden, no credit card.

Plan my garden for 48108

Month by month in Ann Arbor, MI

February

March

April

May

June

August

Understand your frost dates

Where these dates come from

Frost dates for ZIP 48108 come from NOAA 1991-2020 normals (USW00094889 ANN ARBOR MUNI AP, MI US). You can look up that station’s record yourself.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.