Moss Bluff, LA planting zone & frost dates

Moss Bluff is in USDA hardiness zone 9a. The last spring frost usually comes around March 2 and the first fall frost around November 25, for a growing season of about 267 days.

USDA hardiness zone9aavg. extreme winter low 20°F to 25°F

Average last spring frostMarch 290% chance of no frost after March 26

Average first fall frostNovember 2510% chance of frost by November 3

Growing season267 daysfrost-free days in an average year

Planting calendar for Moss Bluff

Dates are counted from the average last spring frost (March 2) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.

Crop	When
Tomatoes	Start seeds indoors: Jan 5 – Jan 19 Transplant outdoors: Mar 9 – Mar 16
Peppers	Start seeds indoors: Dec 22 – Jan 5 Transplant outdoors: Mar 16 – Mar 23
Eggplant	Start seeds indoors: Dec 22 – Jan 5 Transplant outdoors: Mar 16 – Mar 23
Broccoli	Start seeds indoors: Dec 22 – Jan 5 Transplant outdoors: Feb 2 – Feb 16
Cabbage	Start seeds indoors: Dec 22 – Jan 5 Transplant outdoors: Feb 2 – Feb 16
Onions (sets)	Plant outdoors: Feb 2 – Feb 16
Peas	Sow outdoors: Jan 19 – Feb 2
Spinach	Sow outdoors: Jan 19 – Feb 2
Lettuce	Sow outdoors: Feb 2 – Feb 16
Carrots	Sow outdoors: Feb 2 – Feb 16
Potatoes	Plant outdoors: Feb 2 – Feb 16
Beans	Sow outdoors: Mar 9 – Mar 16
Sweet corn	Sow outdoors: Mar 9 – Mar 16
Cucumbers	Sow outdoors: Mar 9 – Mar 16
Squash & zucchini	Sow outdoors: Mar 9 – Mar 16
Basil	Start seeds indoors: Jan 19 – Feb 2 Transplant outdoors: Mar 9 – Mar 16

Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 30 (8 weeks before the average first fall frost on Nov 25).

Useful for zone 9a gardens

Seed starting kit with dome — to start seeds indoors before the last frost
LED grow light for seedlings — stops leggy seedlings
Frost cloth / plant covers — for late spring and early fall frosts
Soil thermometer — warm-season crops need soil above 60°F
Shade cloth — for hot summers

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Frost risk in detail

	90% chance	50% chance	10% chance
Last 32°F frost in spring is after	Jan 30	Mar 2	Mar 26
First 32°F frost in fall is before	Dec 21	Nov 25	Nov 3

How to read it: in spring there is a 10% chance of a frost after March 26, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 3. A hard freeze (28°F) usually ends around February 11.

Nearby cities

Lake Charles zone 9a, last frost Feb 14
Sulphur zone 9a, last frost Mar 2
Jennings zone 9a, last frost Feb 19
DeRidder zone 9a, last frost Mar 1
Eunice zone 9a, last frost Feb 26
Crowley zone 9a, last frost Feb 20
Abbeville zone 9a, last frost Feb 17
Opelousas zone 9a, last frost Feb 28

All cities in Louisiana → · Other zone 9a cities →

Questions

What growing zone is Moss Bluff, LA?

Moss Bluff is in USDA Plant Hardiness Zone 9a (average extreme winter low 20°F to 25°F), according to the USDA 2023 map.

When is the last frost in Moss Bluff?

The average last spring frost (32°F) in Moss Bluff is March 2. There is still a 10% chance of frost until March 26.

When can I plant tomatoes in Moss Bluff?

Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 9 – Mar 16. Start seeds indoors 6–8 weeks before the last frost.

Frost dates: NOAA U.S. Climate Normals 1991–2020, station Moss Bluff 2 Nnw, LA (USC00166434), 4.7 km (2.9 mi) from the city center, elevation 8 m, based on 11 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.