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Slidell, LA planting calendar

When to plant vegetables in Slidell, LA (USDA hardiness zone 9a). Typical last spring frost around Feb 24, 2026 (±19 days year to year), first fall frost around Dec 1, 2026 (±21 days).

Playing it safe? Spring frost holds off until about Mar 20, 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 Slidell, LA

January

February

March

April

September

November

December

Understand your frost dates

More Louisiana planting calendars

ZIP codes in Slidell

70458, 70460, 70461

Where these dates come from

Frost dates for Slidell, LAare 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.