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Atomic City, ID planting calendar

When to plant vegetables in Atomic City, ID (USDA hardiness zone 4b). Typical last spring frost around Jun 11, 2026 16 days year to year), first fall frost around Sep 6, 202611 days).

Playing it safe? Spring frost holds off until about Jul 1, 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 Atomic City calendar and sowing reminders by email:

Still time to plant

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

Month by month in Atomic City, ID

March

April

May

June

July

Understand your frost dates

More Idaho planting calendars

ZIP codes in Atomic City

83215

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