How To Grow Costoluto Genovese Tomatoes

If you plan on growing Costoluto Genovese tomatoes, this guide will guide you to do so successfully. Growing these tomatoes can be a rewarding experience for any gardening enthusiast or culinary aficionado. Here’s a guide on how to grow them and some delightful uses for both varieties:

A few things to know before we continue. Costoluto Genovese tomatoes is an indeterminate tomato. Indeterminate tomatoes continue to grow and produce fruit throughout the growing season.

The Costoluto Genovese tomato is fluted, old Italian favorite. Fruit is flattened and attractive with deep ribbing. A standard in Italy for fresh eating and preserving, and known for flavorful, deep red flesh. Popular with chefs.. It also forms parts of the category of tomatoes known as slicer.

It is worth noting that the Costoluto Genovese tomatoes are an open-pollinated, heirloom tomato. It also has days to maturity days of 80 to see its first ripe fruit. You should however expect the days to be in a range of 76 to 90.

How To Grow Costoluto Genovese Tomatoes

To grow Costoluto Genovese tomatoes, follow these steps:

Supplies You’ll Need:

  • Seeds: Obtain high-quality Costoluto Genovese tomato seeds from a reputable supplier.
  • Seedling Trays or Pots: You’ll need containers for starting the seeds.
  • Potting Soil: Use a well-draining, nutrient-rich potting soil mix.
  • Garden Space: Choose a sunny spot in your garden with at least 6-8 hours of direct sunlight each day.
  • Support Structures: Costoluto Genovese tomatoes tend to grow vigorously, so be prepared to provide support with stakes or cages.
  • Watering Can or Garden Hose: Ensure a consistent water supply.
  • Mulch: Apply mulch to help retain moisture and prevent weeds.
  • Fertilizer: Consider using a balanced tomato fertilizer.


  1. Starting Seeds: Plant the seeds indoors 6-8 weeks before the last expected frost in your region. Plant them in seedling trays or small pots, about 1/4 inch deep. Keep the soil consistently moist and place them in a warm, well-lit area.
  2. Transplanting: When the Genovese tomato seedlings have developed a few true leaves and are around 4-6 inches tall, they are ready for transplanting. Choose a warm day for transplanting.
  3. Spacing: Space the plants about 24 inches apart to allow for proper air circulation and growth.
  4. Support Structures: Install stakes or cages near the seedlings to provide support as the plants grow. Costoluto Genovese tomatoes can become quite heavy, and support prevents branches from breaking.
  5. Soil Preparation: Ensure the garden soil is well-draining and enriched with organic matter like compost. Mix in a balanced fertilizer following the manufacturer’s instructions.
  6. Watering: Keep the soil consistently moist, especially during the growing season. Water at the base of the plants in the morning to prevent fungal issues.
  7. Mulching: Apply mulch around the base of the plants to help retain moisture and regulate soil temperature.
  8. Pruning: Trim any lower leaves that touch the soil to prevent soil-borne diseases. You can also prune excessive foliage to improve air circulation.
  9. Disease Prevention: Keep an eye out for common tomato diseases like blight and use organic disease control methods if necessary.
  10. Harvesting: Costoluto Genovese tomatoes are typically ready for harvest when they reach a deep, vibrant color and a slightly soft texture. Be gentle when picking to avoid damage.
  11. Storage: Store harvested tomatoes at room temperature until fully ripe. Once ripe, transfer them to the refrigerator to extend their shelf life.

Uses for Costoluto Genovese Tomatoes

Both Costoluto Genovese tomatoes are known for their rich flavor and versatility in the kitchen. Here are some delightful uses for this tomato variety:

  1. Fresh Tomato Salad: Slice them and toss with fresh basil, olive oil, and balsamic vinegar for a simple and refreshing salad.
  2. Homemade Tomato Sauce: These tomatoes make a fantastic base for a rich and flavorful tomato sauce. Simmer them with garlic, onions, and herbs for a delicious pasta sauce.
  3. Bruschetta: Top toasted bread with diced Costoluto tomatoes, garlic, fresh basil, and a drizzle of olive oil for a classic Italian appetizer.
  4. Salsa: Create a zesty salsa with diced tomatoes, onions, jalapeños, cilantro, and lime juice for a tangy dip.
  5. Roasted Tomatoes: Roast Costoluto tomatoes with olive oil, garlic, and herbs for a sweet and savory side dish or topping.
  6. Caprese Salad: Layer thick slices of tomatoes with fresh mozzarella, basil leaves, and a drizzle of balsamic glaze for a delightful appetizer.
  7. Canning and Preserving: Both varieties are suitable for canning and making tomato preserves, allowing you to enjoy their delicious flavor throughout the year.
  8. Fresh Tomato Tart: Use slices of Costoluto tomatoes as the star ingredient in a savory tomato tart with cheese and herbs.
  9. Gazpacho: Blend these tomatoes with other fresh ingredients like cucumbers, peppers, and onions to make a refreshing gazpacho soup.
  10. Tomato Sandwiches: Enjoy Costoluto tomatoes in a classic tomato sandwich with mayo and lettuce on your favorite bread.

How to Harvest Costoluto Genovese Tomatoes

Harvesting Costoluto Genovese tomatoes is an important step in enjoying their unique flavor and texture at their peak. These heirloom tomatoes are known for their rich taste and distinctive ribbed shape. Here’s how to harvest Costoluto Genovese tomatoes for the best results:

1. Observe Ripeness:

  • Costoluto Genovese tomatoes are typically ripe and ready for harvest when they reach their full color, which is a deep and vibrant red.
  • Gently press the tomato with your thumb; it should yield slightly without being too soft.

2. Check the Texture:

  • The texture of a ripe Costoluto Genovese tomato should be firm but not hard. It should yield slightly when you apply gentle pressure.

3. Look for Even Ripening:

  • Ensure that the tomato has ripened evenly across its surface. Pay attention to the shoulders and the bottom of the fruit; they should all be the same color.

4. Use Pruning Shears or Scissors:

  • To avoid damaging the tomato plant and the remaining fruit, use clean pruning shears or scissors.
  • Hold the tomato with one hand and snip the stem about 1/2 to 1 inch above the tomato fruit. Be careful not to squeeze or bruise the tomato while doing this.

5. Harvest in Dry Weather:

  • It’s best to harvest Costoluto Genovese tomatoes during dry weather. Wet or humid conditions can increase the risk of fungal diseases and spoilage during storage.

6. Harvest Frequently:

  • Check your tomato plants regularly, as they can ripen quickly, especially during the peak growing season.
  • Harvesting regularly encourages the plant to continue producing more fruit.

7. Handle with Care:

  • Handle the harvested tomatoes gently to avoid bruising or damaging them. Rough handling can reduce their shelf life.

8. Store Properly:

  • After harvesting, store Costoluto Genovese tomatoes at room temperature until they are fully ripe. Once ripe, you can transfer them to the refrigerator to extend their shelf life for a few more days.

Alternatives to Costoluto Genovese

If you’re interested in growing heirloom tomatoes but can’t find or prefer alternatives to these varieties, consider the following options:

  1. San Marzano: Known for their elongated shape, San Marzano tomatoes are famous for making delicious sauces and canning due to their low moisture content.
  2. Roma: These plum-shaped tomatoes are great for sauces, canning, and drying because of their firm flesh and low seed content.
  3. Brandywine: If you’re looking for a sweet and juicy heirloom tomato, Brandywine varieties come in red, pink, or yellow and are prized for their unique flavor.
  4. Cherokee Purple: These tomatoes have a distinct purplish hue and offer a sweet, smoky flavor that’s excellent for slicing.
  5. Black Krim: A Russian heirloom with a unique dark color and a sweet, earthy flavor. They’re perfect for salads and slicing.
  6. Green Zebra: These tomatoes are known for their green and yellow striped skin, and they have a tangy, slightly tart flavor. They add a pop of color to salads.
  7. Mortgage Lifter: A large, pink tomato with a sweet and mild flavor. Great for slicing and sandwiches.
  8. Aunt Ruby’s German Green: These green tomatoes have a sweet and slightly spicy flavor. They’re a unique addition to salads and sandwiches.

When selecting an alternative heirloom tomato variety, consider your taste preferences and how you plan to use the tomatoes in your cooking. Each variety offers a distinct flavor profile and culinary versatility, so you’re sure to find one that suits your needs and palate.

By following these simple steps and providing your Costoluto Genovese plants with the proper care and support, you can enjoy a bountiful harvest of juicy, flavorful tomatoes from your own garden.

Further Readings:

1 Grow Tomatoes At Home Without Fail (Secret To 8x the results)

2. How To Grow Indeterminate Tomatoes

3. Companion Plants For Tomatoes

4. Transplanting Tomato Seedlings – Tips for Success

5. Types of Tomatoes: (40 Plus) Best Tomato Varieties To Plant

If you have any topic on gardening you will want us to cover, don’t forget to tell us in the comment box.

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.