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Planting calendar for ZIP 66027 (Fort Leavenworth, KS)

When to plant vegetables in Fort Leavenworth, KS (USDA hardiness zone 6b). Typical last spring frost around Apr 12, 2026 10 days year to year), first fall frost around Oct 27, 202610 days).

Playing it safe? Spring frost holds off until about Apr 24, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Fort Leavenworth, KS planting calendar for dates typical of the whole city.

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Month by month in Fort Leavenworth, KS

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February

March

April

May

August

September

Understand your frost dates

Frost dates for ZIP 66027: NOAA 1991-2020 normals (USC00144588 LEAVENWORTH, KS US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.