
When to Plant Carrots in Louisiana
Published: April 21, 2026

Louisiana gardeners in Zone 8b enjoy an extended 45-week growing season for carrot. Cool-season crops like carrot 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.
Carrot Planting Dates for Louisiana
| Start seeds indoors | Year-round |
| Last frost (average) | February 1 |
| Direct sow outdoors | January 4–14 |
| Expect first harvest | March 15 – March 25 |
| Fall crop start | October 6–16 |
| Fall harvest | December 15 |
| 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 Carrots in Louisiana's Climate
Louisiana's warm Zone 8b climate makes carrot 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 carrot will bolt (send up a flower stalk and turn bitter) before it produces a harvestable crop.
Succession planting stretches the carrot 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 carrot pests to watch for in Louisiana include Carrot Fly and Wireworm. The first line of defense is companion planting: Tomato and Onion 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.
Carrot Garden Calendar for Louisiana
| Month | Task | Notes |
|---|---|---|
| January | Direct sow seeds | Sow seeds 1/4–1/2 inch deep, 3 inches apart |
| February | — | Off-season |
| March | First harvest window opens | Carrot begins producing 70–80 days after transplant |
| 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 | Fall crop planting | Transplant or direct sow for fall harvest before frost |
| November | — | Off-season |
| December | First frost approaches | Harvest remaining carrot; cover plants on frost nights |
Carrot Growing Tips for Louisiana Gardeners
- •Direct sow ONLY — transplanting carrots causes forked, misshapen roots every time.
- •Soil must be loose and rock-free to at least 12 inches deep; raised beds are ideal.
- •Louisiana's cool-season carrot plants best in October, November, and December for winter and early spring harvest. Spring plantings bolt before producing a harvestable crop.
- •Thin to 3-inch spacing aggressively — crowded carrots fork and grow stunted.
Companion Planting for Carrots in Louisiana
In Louisiana's warm climate, planting carrot with Tomato and Onion helps deter pests and improve soil. Avoid planting near Dill and Parsnip, which inhibit carrot growth through root chemistry or shared pest pressure. See the full carrot companion planting guide for the complete list.
Carrots 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 carrot in Louisiana?
In Louisiana (Zone 8b), start carrot seeds indoors around Year-round and transplant outdoors around null — 0 weeks after 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 carrot year-round in Louisiana?
carrot 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 carrot varieties grow best in Louisiana?
For Louisiana's Zone 8b, Nantes-type carrots and Imperator varieties handle heat better than short-rooted types.
When do I start carrot seeds indoors in Louisiana?
Carrot does not need indoor starting in Louisiana — direct sow around January 4–14 once soil reaches 45°F. Indoor starting is not recommended for this crop because carrot transplants poorly.