White Castle, LA frost dates
Last spring frostFeb 9median date
First fall frostDec 13median date
Growing season307 daysfrost-free
Hardiness zone9aZone 9a
Frost is light and occasional here — typically a few cold nights around midwinter (about 10 a year). Cover tender plants when frost is forecast.
How White Castle compares
- In a typical year, frost nights in White Castle fall between December 13 and February 9. In 1 year in 10 the first frost comes as early as November 16, or the last frost as late as March 10.
- Nearby Baton Rouge, LA, 37 km away, has a regular frost season (last frost Feb 25), a reminder of how much elevation and distance from the coast matter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | January 12 |
| 50% (median) | February 9 |
| 10% (safe for tender plants) | March 10 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 16 |
| 50% (median) | December 13 |
| 90% (late) | January 11 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for White Castle, LA
White Castle, LA frost dates — last frost Feb 9, first frost Dec 13, zone 9a. whenisthelastfrost.com
In mild climates, summer heat limits many crops as much as frost does. Use this calendar for spring planting and lean on fall and winter for cool-season crops.
Crop
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Start indoors: Nov 17 to Dec 1Transplant outside: Jan 12 to Jan 26
Start indoors: Dec 1 to Dec 15Transplant outside: Feb 23 to Mar 9
Start indoors: Dec 1 to Dec 15Transplant outside: Feb 23 to Mar 9
Start indoors: Dec 15 to Dec 29Transplant outside: Feb 16 to Mar 2
Start indoors: Dec 15 to Dec 29Transplant outside: Jan 19 to Feb 2Sow outdoors: Jan 12 to Feb 16Plant for fall: Oct 18 to Nov 15
Start indoors: Dec 15 to Dec 29Transplant outside: Jan 12 to Jan 26Sow outdoors: Jan 12 to Jan 26Plant for fall: Oct 4 to Oct 25
Start indoors: Dec 15 to Dec 29Transplant outside: Jan 26 to Feb 9Plant for fall: Sep 6 to Sep 27
Start indoors: Dec 15 to Dec 29Transplant outside: Jan 19 to Feb 2Plant for fall: Sep 6 to Sep 27
Start indoors: Dec 15 to Dec 29Transplant outside: Jan 26 to Feb 9Plant for fall: Sep 6 to Sep 27
Start indoors: Dec 29 to Jan 12Start indoors: Dec 29 to Jan 12Transplant outside: Mar 2 to Mar 16Sow outdoors: Mar 2 to Mar 16
Start indoors: Dec 29 to Jan 12Start indoors: Dec 29 to Jan 12Transplant outside: Feb 16 to Mar 2
Sow outdoors: Dec 29 to Jan 19Sow outdoors: Dec 29 to Jan 19Plant for fall: Sep 20 to Oct 11
Sow outdoors: Dec 29 to Jan 19Sow outdoors: Dec 29 to Jan 19Plant for fall: Oct 18 to Nov 8
Sow outdoors: Jan 5 to Feb 16Plant for fall: Nov 1 to Nov 22
Start indoors: Jan 12 to Jan 19Transplant outside: Feb 23 to Mar 2Sow outdoors: Feb 16 to Mar 2Plant for fall: Sep 27 to Oct 11
Start indoors: Jan 12 to Jan 19Sow outdoors: Feb 16 to Mar 2Plant for fall: Oct 4 to Oct 18
Start indoors: Jan 12 to Jan 19Sow outdoors: Feb 16 to Mar 2
Start indoors: Jan 12 to Jan 19Transplant outside: Feb 23 to Mar 9
Sow outdoors: Jan 19 to Feb 16Plant for fall: Sep 20 to Oct 4
Sow outdoors: Jan 19 to Feb 16Plant for fall: Oct 4 to Oct 18
Sow outdoors: Jan 19 to Feb 9
Sow outdoors: Jan 26 to Feb 23Plant for fall: Oct 4 to Oct 18
Sow outdoors: Jan 26 to Feb 16Plant for fall: Oct 18 to Nov 8
Sow outdoors: Feb 16 to Mar 9Plant for fall: Sep 27 to Oct 11
Sow outdoors: Feb 16 to Mar 2
Transplant outside: Feb 23 to Mar 16
Plant for fall: Nov 29 to Jan 3Plant for fall: Nov 29 to Jan 3
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in White Castle, LA
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Nov 17 – Dec 1 | Jan 12 – Jan 26 | — | — |
| Peppers | Dec 1 – Dec 15 | Feb 23 – Mar 9 | — | — |
| Eggplant | Dec 1 – Dec 15 | Feb 23 – Mar 9 | — | — |
| Tomatoes | Dec 15 – Dec 29 | Feb 16 – Mar 2 | — | — |
| Lettuce | Dec 15 – Dec 29 | Jan 19 – Feb 2 | Jan 12 – Feb 16 | Oct 18 – Nov 15 |
| Kale | Dec 15 – Dec 29 | Jan 12 – Jan 26 | Jan 12 – Jan 26 | Oct 4 – Oct 25 |
| Broccoli | Dec 15 – Dec 29 | Jan 26 – Feb 9 | — | Sep 6 – Sep 27 |
| Cabbage | Dec 15 – Dec 29 | Jan 19 – Feb 2 | — | Sep 6 – Sep 27 |
| Cauliflower | Dec 15 – Dec 29 | Jan 26 – Feb 9 | — | Sep 6 – Sep 27 |
| Okra | Dec 29 – Jan 12 | Mar 2 – Mar 16 | Mar 2 – Mar 16 | — |
| Basil | Dec 29 – Jan 12 | Feb 16 – Mar 2 | — | — |
| Peas | — | — | Dec 29 – Jan 19 | Sep 20 – Oct 11 |
| Spinach | — | — | Dec 29 – Jan 19 | Oct 18 – Nov 8 |
| Radishes | — | — | Jan 5 – Feb 16 | Nov 1 – Nov 22 |
| Cucumbers | Jan 12 – Jan 19 | Feb 23 – Mar 2 | Feb 16 – Mar 2 | Sep 27 – Oct 11 |
| Zucchini & Summer Squash | Jan 12 – Jan 19 | — | Feb 16 – Mar 2 | Oct 4 – Oct 18 |
| Winter Squash & Pumpkins | Jan 12 – Jan 19 | — | Feb 16 – Mar 2 | — |
| Melons & Watermelon | Jan 12 – Jan 19 | Feb 23 – Mar 9 | — | — |
| Carrots | — | — | Jan 19 – Feb 16 | Sep 20 – Oct 4 |
| Beets | — | — | Jan 19 – Feb 16 | Oct 4 – Oct 18 |
| Potatoes | — | — | Jan 19 – Feb 9 | — |
| Swiss Chard | — | — | Jan 26 – Feb 23 | Oct 4 – Oct 18 |
| Cilantro | — | — | Jan 26 – Feb 16 | Oct 18 – Nov 8 |
| Green Beans | — | — | Feb 16 – Mar 9 | Sep 27 – Oct 11 |
| Sweet Corn | — | — | Feb 16 – Mar 2 | — |
| Sweet Potatoes | — | Feb 23 – Mar 16 | — | — |
| Garlic | — | — | — | Nov 29 – Jan 3 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Carville 2 Sw, LA weather station, 7 km away (elevation 26 ft (8 m)).
Frost dates near White Castle
- Carville Feb 9 · Dec 13
- Saint Gabriel Feb 9 · Dec 13
- Plaquemine Feb 28 · Nov 26
- Sunshine Feb 28 · Nov 26
- Geismar Feb 9 · Dec 13
- Donaldsonville Feb 21 · Dec 5
- Belle Rose Feb 21 · Dec 5
- Darrow Feb 21 · Dec 5
- Paincourtville Feb 21 · Dec 5
- Plattenville Feb 21 · Dec 5
Frequently asked questions
When is the last frost in White Castle, LA?
The median last spring frost in White Castle, LA is February 9. There is still about a 10% chance of frost after March 10, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in White Castle, LA?
The median first fall frost is December 13, with about a 10% chance of frost before November 16.
How long is the growing season in White Castle, LA?
About 307 days between the median last spring frost and first fall frost.
What planting zone is White Castle, LA?
White Castle, LA is in USDA hardiness zone 9a.