Everything you need to know about San Marzano tomato seeds

San Marzano tomatoes are unique and delicious tomato varieties, known worldwide for their intense and sweet taste. These tomatoes can be used in many different dishes in your kitchen, such as: B. in soups, sauces and salads. If you have decided to grow San Marzano tomatoes, it is important to use good quality seeds. In this article you will learn everything you need to know about San Marzano tomato seeds.

What are San Marzano tomatoes?

San Marzano tomatoes are a special type of tomato that originally comes from Italy. They are known for their meaty texture and sweet aroma. These tomatoes are traditionally used in Italian cuisine to make tomato sauces.

Why are San Marzano tomato seeds so popular?

San Marzano tomato seeds are very popular with gardeners all over the world. They have a high germination rate and produce tomatoes that are rich in flavor and texture. They also have a longer season than other tomato varieties.

Where can I buy San Marzano tomato seeds?

San Marzano tomato seeds are available in many garden centers and online shops. They can also be purchased directly from farms and seed companies. Be sure to buy seeds from a trusted source to ensure they are of high quality.

Shop price for 20 seeds
Amazon €3.99
Baldur Garden €2.99
Stretcher €3.99
obi €2.49
Tomato-Samen.de €2.95

Please note that prices and availability may vary depending on the season and location.

Here is a cost comparison with other popular strains

Sort Price for 10 seeds (EUR) seed supplier
San Marzano 2.99 Baker Creek Heirloom Seeds
Cherry tomatoes 2.49 Sperli
Beefsteak tomatoes 2.49 Sperli
Roma tomatoes 2.49 Sperli
Ox heart tomatoes 3.00 Kiepenkerl
Black Crimea 3.99 Baker Creek Heirloom Seeds
Bernese Rose 2.95 Flail
Golden Queen 2.95 Flail
Black Cherry 3.99 Baker Creek Heirloom Seeds
Green Zebra 2.49 Sperli

Please note that prices may vary depending on the seed supplier and region. It pays to compare different providers to find the best price.

When should I plant San Marzano tomato seeds?

San Marzano tomato seeds should generally be planted in late winter or early spring. This gives the plants enough time to grow and mature before it gets too hot outside.

Here is a little calendar from me

month Activities
January buying seeds, maintaining garden tools
February Planting vegetable seedlings, preparing the soil
March Spring cleaning in the garden, planting of bulbs and tubers
April Sowing vegetable and flower seeds, removing weeds
May Planting Marzano tomatoes, peppers and aubergines, watering plants
June Harvest of strawberries, cultivation of cucumbers and courgettes
July Harvesting of berries, cultivation of pumpkin and melon
August Harvest of Marzano tomatoes, preparation of the soil for autumn
September Planting autumn vegetables, preparing the garden for winter
October Harvesting pumpkins and potatoes, removing autumn leaves
November Preparing the garden for winter, composting leaves
December Garden rest, maintenance of tools and equipment

How to plant San Marzano tomato seeds?

San Marzano tomato seeds should be planted in small pots or trays filled with moist soil. The seeds should then be covered with a thin layer of soil and watered regularly. Once the seedlings are a few inches tall, they can be transplanted into larger pots or straight into the ground.

  • Get ripe San Marzano tomatoes from the store or your garden.
  • Cut the tomatoes in half horizontally to remove the seeds.
  • Remove all the seeds and pulp from the tomatoes and place them on a clean cloth or paper.
  • Leave the seeds to dry in a cool, dry place for about a week.
  • Store the seeds in a paper bag or a sealable bag.

San Marzano Tomaten Semen
San Marzano Tomato Semen

Once the seeds are prepared, you can plant them as follows:

  • Fill small pots or trays with good quality soil and moisten slightly.
  • Plant 2-3 seeds per pot about 1 cm deep in the ground.
  • Cover the seeds with a thin layer of soil.
  • Keep the soil moist by watering regularly, but be careful not to water too much as this can cause the seeds to rot.
  • Place the pots or bowls in a sunny place, e.g. B. on a window sill or a balcony.

Once the seedlings are big enough to be transplanted, you can transplant them into larger pots or into your garden. Be sure to fertilize the plants and water them regularly to harvest healthy tomatoes.

How do I care for my San Marzano tomato plants?

San Marzano tomato plants need plenty of sunlight and regular watering. Be careful not to get the soil too wet to avoid rot. As the plants grow taller, you can tie them to poles or cages to provide support.

When are San Marzano tomatoes ready for harvest?

San Marzano tomatoes are ready for harvest when they are deep red in color and firm to the touch. If the tomatoes are left on the vine for too long, they can become overripe and lose their flavor quality.

How do I use San Marzano tomatoes in my cooking?

San Marzano tomatoes can be used in a variety of dishes, from classic tomato sauces to salads and soups. Here are some ideas how to use these delicious tomatoes in your kitchen:

  • Tomato sauce: San Marzano tomatoes are the perfect choice for making tomato sauce. Simply chop the tomatoes, add the garlic, onions and spices and cook it all together for a delicious and rich sauce.
  • Caprese Salad: A simple Caprese salad with fresh San Marzano tomatoes, mozzarella and basil makes a delicious appetizer or side dish.
  • Gazpacho: San Marzano tomatoes can also be used in cold soups like gazpacho to add a sweet and fresh touch.
  • Pizza: San Marzano tomatoes are also an ideal choice for making pizza sauces that offer a rich and delicious flavor.
  • Bruschetta: A delicious bruschetta with San Marzano tomatoes, garlic and olive oil is a perfect appetizer dish.

Here is a calorie chart for San Marzano tomatoes based on different serving sizes:

Serving Size Calories
50g 10
100g 21
150 g 32
200g 42
250g 53
300 g 63

How do I store San Marzano tomatoes?

San Marzano tomatoes should be stored at room temperature until fully ripe. They should not be kept in the refrigerator as this can affect the taste. Ripe tomatoes can also be frozen or canned.


San Marzano tomatoes are a delicious and unique variety of tomato that can be used in many different dishes. If you choose to grow these tomatoes, it’s important to buy quality seeds from a trusted source and to take care of your plants. With a little care, you can be enjoying a delicious harvest of San Marzano tomatoes in no time.


Are San Marzano tomatoes healthier than other tomatoes?

San Marzano tomatoes contain nutrients similar to other tomato varieties. However, they are popular with many people due to their intense flavor and texture.

How can I harvest seeds from San Marzano tomatoes?

You can harvest seeds from San Marzano tomatoes by selecting ripe tomatoes and removing the pulp. Place the seeds on a paper towel to dry before storing.

Can I grow San Marzano tomatoes in my garden?

Yes, San Marzano tomatoes can be grown in your garden or in pots on your balcony. Make sure they get adequate sunlight and water.

What is the best soil for growing San Marzano tomatoes?

San Marzano tomatoes grow best in well-drained, nutrient-rich soil with a pH between 6.0 and 6.8.

What is so special about San Marzano tomatoes?

San Marzano tomatoes are a special type of tomato originally grown in the San Marzano region of Italy. They have an elongated, oval shape and are relatively fleshy with little juice and seeds compared to other tomatoes. What makes the San Marzano tomatoes so special is their taste. They are considered particularly sweet and aromatic and have a lower acidity than other tomato varieties. These properties make them particularly popular when preparing Italian dishes such as pizza and pasta. San Marzano tomatoes are often considered the best tomatoes for making tomato sauce and tomato puree due to their fleshiness and flavor that result in a thick and flavorful end product. In addition, San Marzano tomatoes are also easy to peel and process due to their relatively thin skin. Due to their popularity and unique flavor, San Marzano tomatoes are now being grown in other regions, but the original tomatoes from the San Marzano region are protected by a Protected Designation of Origin (PDO).


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