When to Plant Lettuce in Louisiana
Published: April 21, 2026
Louisiana gardeners in Zone 8b enjoy an extended 45-week growing season for lettuce. Cool-season crops like lettuce do best in fall, winter, and early spring in Louisiana — the hot summers bolt these plants before they can be harvested. This guide gives exact dates for Louisiana based on your local frost calendar.
Lettuce Planting Dates for Louisiana
| Start seeds indoors | January 4–11 |
| Last frost (average) | February 1 |
| Transplant outdoors | January 4–14 |
| Direct sow outdoors | December 21–31 |
| Expect first harvest | February 3 – March 5 |
| Fall crop start | November 3–13 |
| Fall harvest | December 3 |
| First fall frost (average) | December 15 |
Dates above assume Zone 8b, the most common zone in Louisiana. Gardeners in cooler New Orleans (Zone 8b) plant 1–2 weeks later; warmer Shreveport (Zone 8a) can plant 1–2 weeks earlier.
Growing Lettuce in Louisiana's Climate
Louisiana's warm Zone 8b climate makes lettuce a fall, winter, and early spring crop rather than a summer one. The cool-season window runs roughly October through April in Louisiana — plant outside this window and the lettuce will bolt (send up a flower stalk and turn bitter) before it produces a harvestable crop.
Succession planting stretches the lettuce harvest window. Sow small amounts every two weeks from October through February — you will have staggered harvests rather than a single wave to process all at once. Bolt-resistant varieties extend the usable window an extra three to four weeks into warming weather.
Common lettuce pests to watch for in Louisiana include Aphids and Slugs. The first line of defense is companion planting: Carrot and Radish planted nearby discourage several of these pests by confusing host-plant identification or repelling adults before they can lay eggs. Weekly garden walks in the early morning catch problems when they're still manageable.
Lettuce Garden Calendar for Louisiana
| Month | Task | Notes |
|---|---|---|
| January | Transplant outdoors | Soil temp must be 40°F+; nighttime lows above 50°F |
| February | Harden off seedlings | Set seedlings outdoors 1–2 hours daily, increasing gradually |
| March | — | Off-season |
| April | — | Off-season |
| May ← | Watch for bolting | Harvest promptly; spring heat arrives quickly |
| June | — | Off-season |
| July | — | Off-season |
| August | — | Off-season |
| September | — | Off-season |
| October | — | Off-season |
| November | Fall crop planting | Transplant or direct sow for fall harvest before frost |
| December | Direct sow seeds | Sow seeds 1/4–1/2 inch deep, 8 inches apart |
Lettuce Growing Tips for Louisiana Gardeners
- •Direct sow very shallowly — lettuce seeds need light to germinate; cover with just 1/8 inch of soil.
- •Cut outer leaves 1 inch above the crown for "cut-and-come-again" harvests lasting weeks.
- •Louisiana's cool-season lettuce plants best in October, November, and December for winter and early spring harvest. Spring plantings bolt before producing a harvestable crop.
- •Provide afternoon shade in warmer climates (Zones 7+) to extend the spring window before heat bolts plants.
Companion Planting for Lettuce in Louisiana
In Louisiana's warm climate, planting lettuce with Carrot and Radish helps deter pests and improve soil. Avoid planting near Fennel and Celery, which inhibit lettuce growth through root chemistry or shared pest pressure. See the full lettuce companion planting guide for the complete list.
Lettuce Planting Dates by City in Louisiana
Top cities in Louisiana — select for city-level frost dates and planting calendars.
Frequently Asked Questions
When should I plant lettuce in Louisiana?
In Louisiana (Zone 8b), start lettuce seeds indoors around January 4–11 and transplant outdoors around January 4–14 — 4 weeks before the state's average last frost of February 1.
What is the last frost date in Louisiana?
Louisiana's average last frost date is February 1 in the state's most common Zone 8b. Frost dates vary by city — higher elevations and northern counties run 1 to 3 weeks later than the state average. See the city list below for city-level frost dates.
Can I grow lettuce year-round in Louisiana?
lettuce is a cool-season crop in Louisiana, with spring and fall windows. Summer heat bolts the plants before they can produce a harvestable crop. Succession planting every 2–3 weeks stretches the harvest window.
What lettuce varieties grow best in Louisiana?
For Louisiana's Zone 8b, Bolt-resistant Jericho, Slobolt, and Summer Bibb extend the usable spring window.
When do I start lettuce seeds indoors in Louisiana?
Start lettuce seeds indoors in Louisiana around January 4–11, which is 4 weeks before the state's average last frost of February 1. Use grow lights and keep soil temperatures at 70–75°F for fastest germination.