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Planting calendar for ZIP 83217 (Bancroft, ID)

When to plant vegetables in Bancroft, ID (USDA hardiness zone 5a). Typical last spring frost around May 21, 2026 14 days year to year), first fall frost around Sep 21, 202613 days).

Playing it safe? Spring frost holds off until about Jun 7, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Bancroft, ID planting calendar for dates typical of the whole city.

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Month by month in Bancroft, ID

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March

April

May

June

July

Understand your frost dates

Frost dates for ZIP 83217: NOAA 1991-2020 normals (USC00105143 LAVA HOT SPRINGS, ID US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.