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May, ID planting calendar

When to plant vegetables in May, ID (USDA hardiness zone 5a). Typical last spring frost around Jun 12, 2026 14 days year to year), first fall frost around Sep 6, 202611 days).

Playing it safe? Spring frost holds off until about Jun 29, 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:

Or get a printable May calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before May, ID’s first frost (~Sep 6, 2026) — fastest first.

Month by month in May, ID

March

April

May

June

July

Understand your frost dates

More Idaho planting calendars

ZIP codes in May

83253

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