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Frost Dates and Planting Windows in Louisiana

The 32°F frost dates at the 98 weather stations in Louisiana with NOAA's 1991–2020 Climate Normals, and the planting windows they give. These are long-term statistics, not a forecast. For the dates at the station nearest you, enter your ZIP code.

The planner uses the weather station nearest your ZIP code.

Frost dates across Louisiana

Each risk level uses a date with a set chance of frost. In spring, it's the chance of a 32°F frost on or after the last-frost date. In fall, it's the chance of the first 32°F frost on or before the first-frost date. At the Typical level (30%), the last frost ranges from February 1 to April 5 across the state, and the first frost from October 30 to January 1.

At 41 of these 98 stations, 32°F isn't reached every year. Their frost dates describe only the years when it is reached, and the ranges on this page include them.

32°F frost dates: earliest and latest among 98 stations, by risk level
Risk levelEarliest last frostLatest last frostEarliest first frostLatest first frost
Conservative (10%)February 21BURAS, LA USApril 162 stationsOctober 20MONROE 26 N, LA USDecember 18BOOTHVILLE ASOS, LA US
Typical (30%)February 12 stationsApril 5HOMER 1N, LA USOctober 30MONROE 26 N, LA USJanuary 1BOOTHVILLE ASOS, LA US
Aggressive (50%)January 22NEW ORLEANS LAKEFRONT AP, LA USMarch 30HOMER 1N, LA USNovember 52 stationsJanuary 9BOOTHVILLE ASOS, LA US

Growing season length

The growing season is the stretch between the last spring frost and the first fall frost at 32°F. NOAA gives it as a length with a chance of being at least that long. Each risk level uses the length with that chance of a shorter season, so Conservative shows the shortest lengths.

Growing season at 32°F: shortest and longest among 98 stations
Risk levelShortestLongest
Conservative (90% chance of at least this long)197 daysHOMER 1N, LA US318 daysBOOTHVILLE ASOS, LA US
Typical (70% chance of at least this long)210 daysHOMER 1N, LA US340 daysBOOTHVILLE ASOS, LA US
Aggressive (50% chance of at least this long)221 daysHOMER 1N, LA US357 daysBOOTHVILLE ASOS, LA US
Number of stations by growing season length, Typical (70% chance of at least this long)
Growing seasonStations
200–219 days4
220–239 days16
240–259 days36
260–279 days15
280–299 days16
300–319 days6
320–339 days4
340–359 days1

Planting windows across Louisiana

For each crop, the earliest start and the latest end of its Typical windows among the stations. A window at any one station is shorter and falls inside this span. Transplant dates are for seedlings.

Typical planting windows (30% frost dates): earliest start and latest end among stations
Crop and taskEarliest startLatest endStations
Basil: Transplant outdoorsFebruary 15April 1998 of 98
Bean: Sow outdoorsFebruary 1April 598 of 98
Beet: Sow outdoorsJanuary 4April 598 of 98
Beet: Sow for fallAugust 7November 1298 of 98
Broccoli: Transplant outdoorsJanuary 4March 2298 of 98
Broccoli: Transplant for fallJuly 28November 1298 of 98
Brussels sprouts: Transplant outdoorsJanuary 4March 2298 of 98
Brussels sprouts: Transplant for fallJuly 8November 2298 of 98
Cabbage: Transplant outdoorsJanuary 4March 2298 of 98
Cabbage: Transplant for fallJuly 23November 1298 of 98
Cantaloupe: Transplant outdoorsFebruary 15April 1998 of 98
Cantaloupe: Sow outdoorsFebruary 15April 1998 of 98
Carrot: Sow outdoorsJanuary 4April 598 of 98
Carrot: Sow for fallJuly 28November 298 of 98
Cucumber: Transplant outdoorsFebruary 8April 1298 of 98
Cucumber: Sow outdoorsFebruary 1April 598 of 98
Eggplant: Transplant outdoorsFebruary 15April 1998 of 98
Garlic: Plant for fallOctober 30January 1598 of 98
Lettuce: Transplant outdoorsJanuary 4March 2298 of 98
Lettuce: Sow outdoorsJanuary 4March 2298 of 98
Lettuce: Sow for fallJuly 28November 2298 of 98
Onion: Transplant or plant setsJanuary 4March 2298 of 98
Peas: Sow outdoorsJanuary 4March 2298 of 98
Peas: Sow for fallAugust 5November 1298 of 98
Pepper: Transplant outdoorsFebruary 15April 1998 of 98
Potato: Plant seed potatoesJanuary 4April 598 of 98
Pumpkin: Sow outdoorsFebruary 15April 1998 of 98
Radish: Sow outdoorsJanuary 4March 2298 of 98
Radish: Sow for fallSeptember 11December 1298 of 98
Spinach: Transplant outdoorsJanuary 4March 2298 of 98
Spinach: Sow outdoorsJanuary 4March 2298 of 98
Spinach: Sow for fallAugust 17November 2598 of 98
Summer squash: Transplant outdoorsFebruary 8April 1298 of 98
Summer squash: Sow outdoorsFebruary 1April 598 of 98
Sweet corn: Sow outdoorsFebruary 1April 598 of 98
Sweet potato: Plant slipsFebruary 8April 1998 of 98
Tomato: Transplant outdoorsFebruary 15April 1998 of 98
Turnip: Sow outdoorsJanuary 4March 2298 of 98
Turnip: Sow for fallAugust 17November 2298 of 98
Watermelon: Transplant outdoorsFebruary 15April 1998 of 98
Watermelon: Sow outdoorsFebruary 15April 1998 of 98

Weather stations in Louisiana

Every station in Louisiana with NOAA frost-date normals, with its Typical 32°F frost dates and growing season.

Data sources

NOAA U.S. Climate Normals, frost dates, 1991–2020 normals, version 1.0.1
Files: us-climate-normals_1991-2020_v1.0.1_annualseasonal_multivariate_by-station_c20230404.tar.gz, inventory_30yr.txt from NOAA NCEI. Retrieved October 10, 2026.