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Planting calendar for ZIP 48120 (Dearborn, MI)

When to plant vegetables in Dearborn, MI (USDA hardiness zone 6b). Typical last spring frost around Apr 27, 2027 (±11 days year to year), first fall frost around Oct 25, 2027 (±11 days).

Playing it safe? Spring frost holds off until about May 11, 2027 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Dearborn, 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 48120

Month by month in Dearborn, MI

January

February

March

April

May

August

Understand your frost dates

Where these dates come from

Frost dates for ZIP 48120 come from NOAA 1991-2020 normals (USC00202016 DEARBORN #2, 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.