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Green Castle, MO planting calendar

When to plant vegetables in Green Castle, MO (USDA hardiness zone 6a). Typical last spring frost around Apr 26, 2026 12 days year to year), first fall frost around Oct 14, 202611 days).

Playing it safe? Spring frost holds off until about May 11, 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:

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Still time to plant

As of today, these crops can still reach harvest before Green Castle, MO’s first frost (~Oct 14, 2026) — fastest first.

Month by month in Green Castle, MO

January

February

March

April

May

August

Understand your frost dates

More Missouri planting calendars

ZIP codes in Green Castle

63544

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