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Mahaska, KS planting calendar

When to plant vegetables in Mahaska, KS (USDA hardiness zone 6a). Typical last spring frost around Apr 25, 2026 11 days year to year), first fall frost around Oct 15, 202610 days).

Playing it safe? Spring frost holds off until about May 9, 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 Mahaska calendar and sowing reminders by email:

Still time to plant

As of today, these crops can still reach harvest before Mahaska, KS’s first frost (~Oct 15, 2026) — fastest first.

Month by month in Mahaska, KS

January

February

March

April

May

August

Understand your frost dates

More Kansas planting calendars

ZIP codes in Mahaska

66955

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