When to plant Winter squash in Alabama

In fall, from June 10 – July 10 in Boaz to Aug 1 – Sept 1 in Mobile.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Winter squash planting dates by place in Alabama
PlaceSpringFall
Alabaster—July 1 – Aug 1
Albertville—July 1 – Aug 1
Alexander City—June 20 – July 20
Anniston—June 20 – July 20
Athens—June 20 – July 20
Auburn—July 1 – Aug 1
Bessemer—June 20 – July 20
Birmingham—June 20 – July 20
Boaz—June 10 – July 10
Calera—July 1 – Aug 1
Center Point—June 10 – July 10
Chelsea—June 20 – July 20
Clay—June 10 – July 10
Cullman—June 10 – July 10
Daphne—July 1 – Aug 1
Decatur—June 20 – July 20
Dothan—July 1 – Aug 1
Enterprise—July 1 – Aug 1
Eufaula—July 1 – Aug 1
Fairhope—July 1 – Aug 1
Florence—June 10 – July 10
Foley—July 1 – Aug 1
Fort Payne—June 20 – July 20
Gadsden—June 20 – July 20
Gardendale—June 10 – July 10
Gulf Shores—July 1 – Aug 1
Hartselle—June 20 – July 20
Helena—June 20 – July 20
Homewood—June 20 – July 20
Hoover—June 20 – July 20
Hueytown—June 20 – July 20
Huntsville—June 20 – July 20
Irondale—June 20 – July 20
Jacksonville—June 10 – July 10
Jasper—June 10 – July 10
Leeds—June 20 – July 20
Madison—June 20 – July 20
Millbrook—June 20 – July 20
Mobile—Aug 1 – Sept 1
Montgomery—July 1 – Aug 1
Moody—June 10 – July 10
Mountain Brook—June 20 – July 20
Muscle Shoals—June 10 – July 10
Northport—June 20 – July 20
Opelika—June 20 – July 20
Oxford—June 20 – July 20
Ozark—July 1 – Aug 1
Pelham—June 20 – July 20
Pell City—June 10 – July 10
Phenix City—July 1 – Aug 1
Pike Road—July 1 – Aug 1
Prattville—June 20 – July 20
Prichard—July 1 – Aug 1
Rainbow City—June 20 – July 20
Russellville—June 10 – July 10
Saraland—July 1 – Aug 1
Scottsboro—June 10 – July 10
Selma—July 1 – Aug 1
Spanish Fort—July 1 – Aug 1
Sylacauga—June 10 – July 10
Talladega—June 10 – July 10
Troy—July 1 – Aug 1
Trussville—June 10 – July 10
Tuscaloosa—June 20 – July 20
Valley—June 20 – July 20
Vestavia Hills—June 20 – July 20

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for winter squash.