Skip to main content

Planting calendar for ZIP 39520 (Bay Saint Louis, MS)

When to plant vegetables in Bay Saint Louis, MS (USDA hardiness zone 9a). Typical last spring frost around Feb 21, 2026 20 days year to year), first fall frost around Dec 3, 202620 days).

Playing it safe? Spring frost holds off until about Mar 18, 2026 in roughly 9 years out of 10 — a good target for tender crops like tomatoes and peppers.

See the full Bay Saint Louis, MS 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 39520 calendar and sowing reminders by email:

Month by month in Bay Saint Louis, MS

January

February

March

April

September

November

December

Understand your frost dates

Frost dates for ZIP 39520: NOAA 1991-2020 normals (USC00229426 WAVELAND, MS US). Your exact dates depend on your address and microclimate. Schedules are guidance, not guarantees.