Plant By Frost

Alabama

Frost dates for Rockford 3 Ese, AL

At this NOAA station the last spring frost (32°F) usually comes by March 25 and the first fall frost around November 11, giving a growing season of about 230 days.

March 25average last spring frost
November 11average first fall frost
JanAprJulOctDec

Frost odds

1 year in 10 the last spring frost is later thanApril 13
Half of years the last spring frost is later thanMarch 25
9 years in 10 the last spring frost is later thanMarch 4
1 year in 10 the first fall frost is earlier thanOctober 28
Half of years the first fall frost is earlier thanNovember 11
9 years in 10 the first fall frost is earlier thanDecember 1

A hard freeze (28°F) usually ends by March 11 and returns around November 24.

A light frost (36°F, which can still nip tender plants) usually ends by April 7 and returns around November 1.

Station USC00017020, elevation 183 m. Based on 15 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