Growing Watermelon in Louisiana: Tips and Tricks for Success

By: Carolyn J. Vance

Growing Watermelon in Louisiana: Tips and Tricks for Success

Watermelon is a beloved fruit that is a quintessential part of summer. In the warm and humid climate of Louisiana, growing watermelons can be a rewarding and enjoyable experience. Whether you are a seasoned gardener or a novice, this article will provide you with all the necessary information to successfully grow watermelons in Louisiana.

Choose the right variety: When selecting watermelon seeds to plant in Louisiana, it is important to choose a variety that is well-suited for the local climate. Look for varieties that have a relatively short growing season and are resistant to the diseases common in this region.

Prepare the soil: Watermelons prefer well-drained soil that is rich in organic matter. Before planting, amend your soil with compost or well-rotted manure to improve its fertility. Additionally, make sure the soil has a pH level between 6 and 6.8, which is optimal for watermelon growth.

Sow the seeds: Watermelon seeds can be sowed directly outdoors once the soil temperature reaches 70°F (21°C). Plant the seeds in hills or mounds, spacing them about 2-3 feet apart. For each mound, plant 4-6 seeds and cover them with about an inch of soil.

Remember to water the plants regularly, providing about 1-2 inches of water per week. Keep an eye out for pests and diseases, and take necessary measures to protect your watermelon plants. With proper care and attention, you will soon be enjoying juicy and delicious watermelons grown right in your own backyard in Louisiana.

Choosing the Right Variety

When it comes to growing watermelon in Louisiana, choosing the right variety is crucial for a successful harvest. The climate and growing conditions in Louisiana can be quite challenging, with hot and humid summers. Therefore, selecting a watermelon variety that is well-suited for this region is essential.

1. Heat Tolerant Varieties:

One of the most important factors to consider is heat tolerance. Look for watermelon varieties that are specifically bred to withstand high temperatures. These varieties typically have thicker skin, which helps in reducing water loss and protecting the fruit from the scorching sun. Some popular heat-tolerant varieties include ‘Crimson Sweet’, ‘Charleston Grey’, and ‘Black Diamond’.

2. Disease Resistance:

Louisiana’s warm and humid climate creates a favorable environment for various diseases that can affect watermelon plants. To minimize the risk of disease, choose varieties that are resistant to common diseases in your area. Look for varieties that have resistance to diseases like fusarium wilt, powdery mildew, and anthracnose. ‘Jubilee’, ‘Allsweet’, and ‘Sugar Baby’ are examples of disease-resistant watermelon varieties.

See also  Unbelievable Twist - The Secret to Making Crispy Deep Fried Watermelon Revealed!

3. Size and Flavor:

In addition to heat tolerance and disease resistance, consider the size and flavor of the watermelon you desire. Watermelon varieties come in different sizes, ranging from small personal-sized fruits to large, picnic-worthy melons. Determine the size that fits your needs and preferences.

4. Growing Season:

Another important consideration is the length of the growing season. Choose a watermelon variety that has a suitable maturity rate for your region. Some varieties mature faster than others and can be harvested earlier in the season. This is crucial in areas with short growing seasons like Louisiana, as it allows you to enjoy ripe watermelons before the weather turns too cold.

By carefully selecting the right watermelon variety, you can increase your chances of a successful and bountiful harvest in Louisiana. Consider factors such as heat tolerance, disease resistance, size, flavor, and growing season to find the perfect watermelon variety for your garden.

Preparing the Soil

Preparing the soil is a critical step in growing watermelon in Louisiana. The right soil conditions can greatly improve the growth and yield of your watermelon plants. Here are some important tips on how to prepare the soil:

1. Test the Soil

Before planting watermelon, it’s essential to test the soil pH and nutrient levels. Watermelon plants prefer a slightly acidic soil with a pH range between 6.0 and 6.8. Conduct a soil test to determine the current pH and nutrient levels. Based on the results, you can make amendments to adjust the pH or add the necessary nutrients.

2. Clear the Area

3. Till the Soil

Tilling the soil helps to break it up and create a loose, well-draining bed for the watermelon plants. Use a garden tiller or a shovel to break up any compacted soil. Remove any rocks, clumps of grass, or debris from the soil as you till it. Aim for a depth of about 8 to 10 inches for optimal root growth.

4. Add Organic Matter

Watermelon plants thrive in soil that is rich in organic matter. Add well-rotted compost, aged manure, or other organic materials to the soil to improve its fertility and moisture-holding capacity. Spread a layer of organic matter over the tilled soil and mix it in thoroughly using a garden fork or a tiller.

5. Improve Drainage

Growing Watermelon in Louisiana: Tips and Tricks for Success

Watermelon plants need well-draining soil to prevent waterlogged conditions, which can lead to root rot. If your soil has poor drainage, you can add sand or perlite to improve it. Mix these amendments into the soil to increase its drainage capabilities.

6. Level the Soil

After tilling and amending the soil, use a rake to smooth and level the soil surface. This will provide an even bed for planting the watermelon seeds or seedlings.

By following these steps to prepare the soil, you’ll provide the optimal growing conditions for your watermelon plants. Taking the time to properly prepare the soil will greatly increase your chances of a successful watermelon harvest.

Planting and Care

Once you have prepared the soil, it’s time to plant your watermelon seeds or transplants. You should wait until after the last frost in your area to ensure the plants don’t get damaged by cold temperatures. Watermelons thrive in warm weather, so planting them in late spring or early summer is ideal.

See also  How Long Does It Take a Jubilee Watermelon to Grow?

When planting watermelon seeds, you can either sow them directly in the soil or start them indoors a few weeks before transplanting. If starting indoors, use biodegradable pots to avoid disturbing the delicate roots during transplantation. Plant the seeds or transplants about 1 inch deep and 2-3 feet apart in rows that are 6 feet apart. This spacing allows the vines to spread and the fruit to develop properly.


Watermelons require consistent watering to ensure healthy growth. Keep the soil evenly moist but not waterlogged. It’s best to water deeply once or twice a week rather than shallowly every day. This encourages the roots to grow deeper and makes the plants more resistant to drought. Avoid overhead watering, as wet foliage can increase the risk of diseases. Consider using a drip irrigation system or a soaker hose to keep the water off the leaves.


Growing Watermelon in Louisiana: Tips and Tricks for Success


Applying a layer of mulch around your watermelon plants can be beneficial in several ways. Mulch helps retain soil moisture, suppresses weeds, and regulates soil temperature. It also prevents the direct contact between the fruit and the soil, reducing the risk of rot. Organic mulches, such as straw or wood chips, work well for watermelons.

Pest and Disease Control

Growing Watermelon in Louisiana: Tips and Tricks for Success

Watermelons can be susceptible to various pests and diseases, including aphids, cucumber beetles, and powdery mildew. Monitor your plants regularly and take action at the first sign of damage or infection. You can use insecticidal soap or organic pest control methods to deal with pests. Proper spacing and good airflow around the plants can help prevent and reduce the severity of powdery mildew. Remove and destroy any infected or diseased plants to prevent the spread.

Support and Training

Growing Watermelon in Louisiana: Tips and Tricks for Success

Depending on the variety and growing conditions, watermelon plants may require support for the heavy fruits. You can use trellises, cages, or slings made from pantyhose to support the vines and prevent them from breaking under the weight of the melons. Gently tie the vines to the support structure using soft twine or strips of fabric. As the fruits grow, you can also use slings to support them and prevent them from touching the ground.

By following these planting and care guidelines, you can successfully grow watermelons in Louisiana and enjoy a bountiful harvest of this delicious summer fruit.


Harvesting watermelon is an exciting and rewarding task for any gardener. The moment when you finally get to taste the sweet, juicy fruit that you have grown yourself is truly satisfying. Here are some tips on how to harvest watermelon in Louisiana:

See also  Step-by-Step Guide: How to Make Watermelon Balls - Easy and Refreshing Recipe

1. Determine the Ripeness

Before harvesting, it is important to determine if the watermelon is ripe. A ripe watermelon will have a dull skin color and a creamy yellow underside. The tendril closest to the fruit should also be dried up.

2. Use the Thumping Method

Growing Watermelon in Louisiana: Tips and Tricks for Success

One common method to check the ripeness of a watermelon is by thumping it. If the watermelon produces a deep, hollow sound, it is most likely ripe. On the other hand, if the sound is dull or flat, it may still need some more time to ripen.

3. Cut the Stem

Once you have determined that the watermelon is ripe, it is time to harvest. Use a sharp knife or pruning shears to cut the stem about an inch above the fruit. Be careful not to damage the watermelon during this process.

4. Support the Fruit

Growing Watermelon in Louisiana: Tips and Tricks for Success

Watermelons can be heavy, so it is important to support the fruit while harvesting to prevent any damage. You can use your other hand to gently lift and support the fruit as you cut the stem.

5. Clean and Store

After harvesting, clean the watermelons by gently wiping away any dirt or debris. It is important to handle them with care to avoid any bruising or damage. Once cleaned, store them in a cool, dry place. Watermelons can last for several weeks if stored properly.

By following these tips, you can ensure a successful watermelon harvest in Louisiana. Enjoy the fruits of your labor and savor the delicious taste of homegrown watermelon!

Leave a Comment