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Granville, IA planting calendar

When to plant vegetables in Granville, IA (USDA hardiness zone 5a). Typical last spring frost around May 5, 2026 9 days year to year), first fall frost around Sep 28, 202611 days).

Playing it safe? Spring frost holds off until about May 16, 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 Granville, IA’s first frost (~Sep 28, 2026) — fastest first.

Month by month in Granville, IA

January

February

March

April

May

July

August

Understand your frost dates

More Iowa planting calendars

ZIP codes in Granville

51022

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