Plant By Frost

Louisiana

Frost dates for Lsu Citrus Rsch Stn, LA

At this NOAA station the last spring frost (32°F) usually comes by February 3 and the first fall frost around December 28, giving a growing season of about 327 days.

February 3average last spring frost
December 28average first fall frost
JanAprJulOctDec

Frost odds

1 year in 10 the last spring frost is later thanMarch 2
Half of years the last spring frost is later thanFebruary 3
9 years in 10 the last spring frost is later thanJanuary 2
1 year in 10 the first fall frost is earlier thanDecember 5
Half of years the first fall frost is earlier thanDecember 28
9 years in 10 the first fall frost is earlier thanJanuary 31

A hard freeze (28°F) usually ends by January 23 and returns around January 7.

A light frost (36°F, which can still nip tender plants) usually ends by February 22 and returns around December 12.

Station USC00165624, elevation 1 m. Based on 14 years of 1991 to 2020 records. A garden higher up, in a hollow or far from this station can freeze later in spring.

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Sources

  1. U.S. Annual/Seasonal Climate Normals, 1991 to 2020 (freeze probability dates by station), NOAA National Centers for Environmental Information, checked 1 November 2026
  2. Annual/Seasonal Normals 1991 to 2020 documentation, NOAA National Centers for Environmental Information, checked 1 November 2026
  3. 2024 Gazetteer Files, ZIP Code Tabulation Areas, US Census Bureau, checked 1 November 2026