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Planting calendar for ZIP 48073 (Royal Oak, MI)

When to plant vegetables in Royal Oak, MI (USDA hardiness zone 6b). Typical last spring frost around Apr 26, 2027 (±11 days year to year), first fall frost around Oct 22, 2027 (±11 days).

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

See the full Royal Oak, 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 48073

Month by month in Royal Oak, MI

January

February

March

April

May

August

Understand your frost dates

Where these dates come from

Frost dates for ZIP 48073 come from NOAA 1991-2020 normals (USC00206658 PONTIAC WWTP, 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.