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Planting calendar for ZIP 64475 (Parnell, MO)

When to plant vegetables in Parnell, MO (USDA hardiness zone 5b). Typical last spring frost around Apr 20, 2026 12 days year to year), first fall frost around Oct 19, 202611 days).

Playing it safe? Spring frost holds off until about May 5, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Parnell, MO planting calendar for dates typical of the whole city.

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Month by month in Parnell, MO

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 64475: NOAA 1991-2020 normals (USC00233375 GRANT CITY 5WSW, MO US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.