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Planting calendar for ZIP 83349 (Richfield, ID)

When to plant vegetables in Richfield, ID (USDA hardiness zone 6a). Typical last spring frost around May 24, 2026 15 days year to year), first fall frost around Sep 26, 202612 days).

Playing it safe? Spring frost holds off until about Jun 12, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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Month by month in Richfield, ID

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Understand your frost dates

Frost dates for ZIP 83349: NOAA 1991-2020 normals (USC00107673 RICHFIELD, ID US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.