When To Plant Cabbage In Louisiana

If you’re planning your garden in the Pelican State, knowing when to plant cabbage in Louisiana is the key to a successful harvest. This cool-season crop thrives in our unique climate, but timing is everything to avoid the heat that can ruin your crop.

Louisiana’s long growing seasons are a gift, but they also require careful planning. Cabbage needs those cool temperatures to develop its tight, crisp heads. Plant at the wrong time, and you’ll end up with bolted plants or poor growth. Let’s break down the best schedule and methods for growing great cabbage here.

For most of Louisiana, cabbage has two main planting windows: one in late summer for a fall harvest, and another in late winter for a spring harvest. The goal is to have the cabbage maturing during cool weather.

For a fall harvest, this is your prime planting time. Start seeds indoors around late July to early August. You can then transplant those seedlings into your garden from mid-August through September. This gives them time to grow as the weather cools down.

For a spring harvest, you’ll need to get a head start in winter. Start seeds indoors in December or January. Transplant the seedlings to the garden from January through early February. This allows them to mature before the intense Louisiana heat arrives in late spring.

Understanding Louisiana’s Growing Zones

Louisiana spans USDA hardiness zones 8a to 9b. This affects your exact timing:

North Louisiana (Zones 8a-8b): Frost comes earlier and stays later. Aim for the earlier side of the fall transplant window (mid-August) and the later side of the spring window (early February).
South Louisiana (Zones 9a-9b): Milder winters mean a longer fall window. You can often transplant into October for fall. For spring, you can start a bit earlier in January.

Choosing the Right Cabbage Variety

Selecting a variety suited for the South is crucial. Look for heat-tolerant and disease-resistant types.

Early Varieties (Fast Maturing): ‘Golden Acre’, ‘Early Jersey Wakefield’. These are good for quick spring crops before heat hits.
Main Season & Storage: ‘Blue Dynasty’, ‘Bravo’. Excellent for the fall garden, they often have better disease resistance.
Savoy Types: ‘Savoy King’. Their crinkled leaves are more tender and flavorful, and they can handle a light frost well.

Step-by-Step Planting Guide

1. Starting Seeds Indoors

Starting indoors gives you a jump on the season. Use a sterile seed-starting mix.

Sow seeds ¼ inch deep in cell trays about 6-8 weeks before your planned transplant date.
Keep the soil consistently moist and warm (70-75°F) for germination.
Once sprouted, provide plenty of light—a sunny south window or grow lights for 12-14 hours a day.
Thin to the strongest seedling per cell. Fertilize weakly with a balanced fertilizer once true leaves appear.

2. Preparing Your Garden Bed

Cabbage are heavy feeders. They need rich, well-drained soil.

Location: Choose a spot that gets full sun (at least 6 hours).
Soil: Work in 3-4 inches of compost or well-rotted manure. The soil pH should be between 6.0 and 6.8.
Fertilizer: Mix in a balanced, slow-release granular fertilizer according to package directions before planting.

3. Transplanting Seedlings

Transplant on a cloudy day or in the late afternoon to reduce shock.

Harden off seedlings for a week by gradually exposing them to outdoor conditions.
Space plants 12-18 inches apart in rows that are 2-3 feet apart. Dwarf varieties can be closer.
Plant them at the same depth they were growing in their container. Water deeply immediately after planting.

Caring for Your Cabbage Plants

Watering and Feeding

Consistent moisture is non-negotiable for solid heads. Water deeply at the base of the plants, providing 1-1.5 inches of water per week. A layer of mulch helps retain moisture and keeps soil temperatures even. Side-dress with a nitrogen-rich fertilizer when plants are about halfway grown, and again if growth seems slow.

Pest and Disease Management

Louisiana gardens have plenty of pests. Stay vigilant.

Cabbage Loopers/Worms: The most common issue. Handpick or use Bacillus thuringiensis (Bt), a natural bacterial spray.
Aphids: Blast them off with a strong spray of water or use insecticidal soap.
Diseases: Black rot and yellows are problems. Choose resistant varieties, rotate crops each year, and avoid overhead watering to keep leaves dry.

Floating row covers installed right after transplanting can exclude many pests from the start.

Harvesting and Storage

Heads are ready when they feel firm and solid when gently squeezed. Use a sharp knife to cut the head from the base, leaving a few outer leaves and the stem. For best flavor, harvest in the cool of the morning.

If you timed it right for fall, you can often leave cabbage in the garden through several light frosts, which can actually sweeten the flavor. After harvest, cabbage stores well in the refrigerator for several weeks. You can also store it in a cool, humid root cellar.

Common Problems and Solutions

Bolting (Flowering): Caused by a sudden warm spell after cool weather. The plant sends up a flower stalk, ruining the head. Solution: Stick to the recommended planting dates—don’t plant spring crops too late or fall crops too early.
Split Heads: Caused by uneven watering, especially after a dry period followed by heavy rain. Solution: Maintain consistent soil moisture with regular watering and mulch. If a head is nearly mature and heavy rain is forecast, you can twist the plant slightly to break some roots and slow uptake.
Poor Head Formation: Can be from overcrowding, nutrient deficiency, or excessive heat. Solution: Ensure proper spacing, feed your plants, and choose the right season.

FAQs: Growing Cabbage in Louisiana

Can I plant cabbage directly in the garden from seed?

Yes, but it’s less reliable. For a fall crop, you can sow seeds directly in late July or early August. You’ll need to keep the seedbed constantly moist in the summer heat, which can be challenging. Starting indoors is generally more succesful.

What are good companion plants for cabbage in our area?

Plant aromatic herbs like dill, rosemary, and mint nearby to help deter pests. Onions, celery, and potatoes are also good companions. Avoid planting them too close to strawberries or tomatoes.

My cabbage leaves have holes. What should I do?

This is almost certainly cabbage worms or loopers. Inspect the undersides of leaves for green caterpillars or eggs. Apply Bt (Bacillus thuringiensis) immediately, as it is safe and effective. Reapply after rain.

How long does it take for cabbage to grow?

From transplanting, most varieties take between 70 and 100 days to mature. Early varieties are on the shorter end, while large storage types take longer. Always check the “days to maturity” on your seed packet.

Can I grow cabbage in containers?

Absolutely. Choose a compact or dwarf variety. Use a large pot (at least 12 inches deep and wide) with drainage holes. Use a high-quality potting mix and be extra diligent with watering and feeding, as containers dry out faster.

With the right timing and care, you can enjoy homegrown cabbage that’s perfect for everything from fresh salads to hearty soups. Remember, the secret is working with Louisiana’s seasons, not against them. Paying attention to your local frost dates and the summer heat will make all the difference in your garden’s success.