Tomatoes are a beloved summer crop, but growing them during a particularly rainy season can be challenging. Last summer was particularly wet all over the USA, and it’s been a bit muddy for some regions this summer too. Excess moisture can lead to various problems, such as waterlogged soil, fungal diseases, and fruit splitting. However, with the right preventive measures, you can still enjoy a bountiful tomato harvest despite the wet weather. Let’s talk about all the ways you can try to protect your tomatoes during a rainy summer.

1. Provide Adequate Drainage

First and foremost, ensuring adequate drainage is crucial. Tomato plants require well-draining soil to prevent waterlogging, which can suffocate the roots and lead to root rot. To improve drainage, consider creating raised beds or mounds for your tomato plants. This allows excess water to drain away from the roots more easily. Additionally, incorporating organic matter, such as compost or well-rotted manure, into the soil can help improve its structure and drainage capabilities.

1. Create raised beds at least 6 inches high and 3 feet wide to ensure proper drainage.
2. Mix in a 2-inch layer of organic matter, such as compost or aged manure, to improve soil structure and fertility.
3. Avoid planting tomatoes in low-lying areas or heavy clay soils that tend to retain water.
4. Consider using fabric grow bags or large containers with drainage holes for better moisture control.
5. Install a drip irrigation system or soaker hoses to deliver water directly to the roots, avoiding foliage.

2. Protect Plants from Excess Moisture

Next, protecting your tomato plants from excess moisture is essential. One effective method is using row covers or plastic shelters to shield the plants from heavy rain. These covers can be suspended above the plants using hoops or frames, creating a barrier against the downpour. However, be sure to provide adequate ventilation to prevent heat buildup and fungal growth. Another way to protect your plants is by using stakes or cages to keep them off the ground, promoting better air circulation and reducing contact with wet soil.

1. Install sturdy stakes, cages, or trellises to support tomato plants and keep fruits off the ground.
2. Use clear plastic sheets or row covers to create temporary rain shelters over your tomato plants.
3. Ensure proper ventilation by leaving the ends of the covers open or using perforated plastic.
4. Remove covers during dry periods to allow plants to receive sunlight and air circulation.
5. Apply a thick layer of organic mulch, such as straw or shredded leaves, around the base of the plants to reduce soil splash and moisture retention.

3. Manage Fungal Diseases

Fungal diseases, such as early blight and late blight, thrive in wet conditions and can quickly devastate your tomato crop. To manage these diseases, take preventive measures like pruning lower leaves to improve airflow and applying fungicides according to the manufacturer’s instructions. Regularly inspect your plants for signs of disease, such as spotting or discoloration on the leaves, and remove any infected plant parts promptly to prevent the spread of the disease.

1. Choose disease-resistant tomato varieties when possible to reduce the risk of fungal infections.
2. Prune lower leaves and suckers to improve air circulation and reduce humidity around the plant.
3. Apply copper-based or other organic fungicides as a preventive measure, following the label instructions.
4. Avoid working with wet plants to minimize the spread of fungal spores.
5. Practice crop rotation by planting tomatoes in a different location each year to prevent the buildup of soil-borne diseases.

4. Harvest Regularly and Carefully

During a rainy summer, it’s crucial to harvest your tomatoes as soon as they ripen to minimize the risk of splitting and rot. Check your plants daily and gently remove any ripe tomatoes, taking care not to bruise or damage them. If possible, try to harvest during dry periods of the day to reduce moisture exposure. Once harvested, store your tomatoes in a cool, dry place to extend their shelf life.

1. Inspect your tomato plants daily for ripe fruits, gently twisting them off the vine.
2. Use pruning shears to harvest cherry or grape tomatoes in clusters to avoid damaging the plant.
3. Place harvested tomatoes in a single layer on a tray lined with paper towels to absorb excess moisture.
4. Store tomatoes at room temperature, away from direct sunlight, for best flavor and texture.
5. If you need to ripen tomatoes quickly, place them in a paper bag with a ripe banana or apple, which emit ethylene gas to speed up the process.

5. Process and Preserve Your Harvest

If you find yourself with an abundance of tomatoes, consider processing and preserving them for later use. Canning, freezing, and making sauces are excellent ways to enjoy your tomato harvest throughout the year. You can also explore various recipes that showcase the flavors of fresh or preserved tomatoes, such as soups, stews, and salads.

1. Wash and dry tomatoes thoroughly before processing to remove any dirt or debris.
2. Blanch and peel tomatoes for easier processing and a smoother texture in sauces and soups.
3. Use a water bath canner or pressure canner to safely preserve tomatoes in jars for long-term storage.
4. Freeze whole, chopped, or pureed tomatoes in airtight containers or freezer bags for up to 6 months.
5. Dehydrate tomato slices in a food dehydrator or low-temperature oven to create tomato chips or powder for seasoning.

Protecting your tomato harvest during a rainy summer requires a combination of proactive measures and attentive care. By providing adequate drainage, shielding your plants from excess moisture, managing fungal diseases, and harvesting regularly, you can minimize the impact of wet weather on your tomato crop. Remember to stay vigilant and address any issues promptly to ensure a successful and delicious tomato harvest, no matter the challenges posed by a rainy season.

Want to learn more about growing tomatoes? Yes of course, tomatoes are the most popular plant for home gardeners! With The Everything Tomato Gardening Guide, you’ll have everything you need to know about growing and enjoying this versatile food, from the history and background of the mighty tomato to specific advice on growing, harvesting, and enjoying your hard work!

How else do you preserve your tomatoes during a rainy season?