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Planting calendar for ZIP 63125 (Saint Louis, MO)

When to plant vegetables in Saint Louis, MO (USDA hardiness zone 7a). Typical last spring frost around Apr 6, 2026 (±11 days year to year), first fall frost around Oct 27, 2026 (±9 days).

Playing it safe? Spring frost holds off until about Apr 20, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

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

Turn these dates into a plan: lay out your beds, place each crop on its sow and transplant dates, and get a reminder when it’s time. Free on one garden, no credit card.

Plan my garden for 63125

Month by month in Saint Louis, MO

January

February

March

April

May

September

December

Understand your frost dates

Where these dates come from

Frost dates for ZIP 63125 come from NOAA 1991-2020 normals (USC00111160 CAHOKIA, IL US). You can look up that station’s record yourself.

Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.