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Florissant, MO planting calendar

When to plant vegetables in Florissant, MO (USDA hardiness zone 7a). Typical last spring frost around Apr 2, 2026 (±12 days year to year), first fall frost around Nov 4, 2026 (±10 days).

Playing it safe? Spring frost holds off until about Apr 17, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

These dates are typical for the whole city. Enter your ZIP for frost dates from the station nearest you:

Month by month in Florissant, MO

January

February

March

April

May

September

December

Understand your frost dates

More Missouri planting calendars

ZIP codes in Florissant

63031, 63033, 63034

Where these dates come from

Frost dates for Florissant, MOare NOAA 1991–2020 climate normals from a station representative of the area, which covers 3 ZIP codes. Individual ZIP codes within it can run earlier or later.

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