Skip to main content

Planting calendar for ZIP 63673 (Saint Mary, MO)

When to plant vegetables in Saint Mary, MO (USDA hardiness zone 6b). Typical last spring frost around Apr 19, 2026 12 days year to year), first fall frost around Oct 20, 202610 days).

Playing it safe? Spring frost holds off until about May 4, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

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 ZIP 63673 calendar and sowing reminders by email:

Month by month in Saint Mary, MO

January

February

March

April

May

August

Understand your frost dates

Frost dates for ZIP 63673: NOAA 1991-2020 normals (USC00236641 PERRYVILLE WTP, MO US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.