Plant By Frost

Louisiana

Frost dates for Alexandria, LA

At this NOAA station the last spring frost (32°F) usually comes by February 27 and the first fall frost around November 27, giving a growing season of about 274 days.

February 27average last spring frost
November 27average first fall frost
JanAprJulOctDec

Frost odds

1 year in 10 the last spring frost is later thanMarch 18
Half of years the last spring frost is later thanFebruary 27
9 years in 10 the last spring frost is later thanJanuary 31
1 year in 10 the first fall frost is earlier thanNovember 7
Half of years the first fall frost is earlier thanNovember 27
9 years in 10 the first fall frost is earlier thanDecember 19

A hard freeze (28°F) usually ends by February 8 and returns around December 13.

A light frost (36°F, which can still nip tender plants) usually ends by March 12 and returns around November 14.

Station USC00160098, elevation 26 m. Based on 28 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