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Growing tomatoes: For a bountiful summer harvest, avoid these mistakes!

If you’re trying to grow your own fruits and vegetables, tomatoes are a popular choice because of their high success rate – not to mention their wonderful taste. Still, there are a number of problems with growing tomatoes that can result in an unsatisfying harvest. With the proper preparation and knowledge, these common mistakes can be avoided so you can successfully grow tomatoes in your garden.

Tomato plants love sun young plant

From untimely sowing to improper watering, some of these tomato growing mistakes can be serious. To ensure your tomato plants thrive and produce high yields, be sure to avoid the following growing mistakes.

1. growing tomatoes: Mistakes can still occur during sowing

Pre-growing tomatoes on the windowsill avoid mistakes

You can start growing tomatoes as early as the end of February, provided that the optimal conditions are created. Tomatoes are a summer plant, whereby the seedlings after planting love heat and do not tolerate low temperatures.

If the soil temperature does not reach at least 15 degrees during the day, it is not warm enough for tomato plants in the open field. Pre-grown seedlings should also reach a height of about 6 to 8 centimeters before you transplant them.

Do not plant tomato plants outdoors too early

If you put the plants in the ground too early, you may experience flower drop, which means the flowers will fall off before any fruit forms. If it gets too cool at night, tomatoes may also become misshapen, wrinkled or scarred at the end of flowering. Still, even pitted fruit is edible, as some of the most popular tomato varieties are not perfectly round or red.

As for the right point for pre-growing, you also can not choose freely. Because tomato plants also need a lot of light to develop strong shoots. If you want to grow tomatoes from seed, then they should be sown no later than the beginning of April. In this article we have compiled all the important information about sowing and pre-growing tomatoes.

2. planting tomatoes too densely

Mistakes in tomato cultivation distance between plants


Of course, you want to get as many tomatoes as possible out of your hard work – but don’t plant too many plants in a small area! If you plant too close together, air circulation will be impeded and there will be too much shade from your neighbors’ foliage. Check seed packets or garden centers for the optimal, specific spacing dimensions for your tomato variety.

In general, you should plant tomato plants with limited growth (determinate or determinant varieties) at a distance of 50 to 60 cm, with each row 1.5 m apart. Indeterminate or indeterminate tomatoes are planted 60 to 90 cm apart, and you should allow 1.5 to 1.8 m between rows.

3. growing tomatoes: Mistakes in watering

Watering tomatoes at the wrong time of day

Watering tomatoes correctly

Once you plant your tomatoes outdoors, avoid watering the plants in the late afternoon, opting instead for morning or dusk – whenever the sun and temperature are at their lowest. Early morning is ideal, but evenings are fine as long as you don’t water the plants when the sun is high and temperatures are soaring. Otherwise, it is difficult for the soil to absorb water before it evaporates.

Watering tomatoes too much or too little

Watering tomatoes too much or too little mistake


How often do you need to water your tomato plants? Short answer: not too often. The risk of overwatering is probably greater than underwatering, because the former can have a negative effect on the taste of the fruit. It’s best to avoid shallow and frequent watering, as this can sometimes cause disease. You may even consider a home drip irrigation system for your tomatoes to avoid over watering and eroding the soil.

As the plants mature, and especially during the hot summer months, you should slowly soak the soil to allow the water (and therefore the roots) to sink deeper. After soaking the soil at the base of the tomato plants, allow the soil to dry for a while before watering again.

Watering tomato seedlings tips mistakes

Generally, you should water thoroughly once or twice a week. Sandy soils only need watering every four to five days, while heavy soils can get by with watering every seven to ten days. Of course, you should consider the weekly rainfall in your area.

Especially towards the end of the season, reduced irrigation can help achieve the optimal flavor results. However, make sure your tomatoes are adequately watered during the growing season. Then, when they are ripe, don’t water as much.

Consistent moisture is key to a successful tomato crop. Although they benefit from allowing the soil to dry out a bit between waterings, drastic or erratic changes in moisture levels can cause problems with the fruit, such as cracking and blossom end rot. Check the soil daily by holding your finger an inch or two below the surface to make sure it is evenly moist.

Tips for tomatoes in a pot

Mistakes when growing tomatoes Water seedlings correctly

When watering young plants and potted tomato varieties, be sure to avoid waterlogging, otherwise the roots may rot. Make sure the pots have good drainage to eliminate this problem. As long as the plants are planted outdoors, waterlogging is no longer a problem.

4. fertilize tomatoes incorrectly

Tomatoes when to fertilize with what

During their growing season, tomatoes need extra nutrients. Plant diseases such as blossom end rot in tomatoes are often a sign of calcium deficiency due to uneven fertilization. The right tomato fertilizer should provide the natural nutrients your plants need. Use a complete organic fertilizer containing calcium and NPK micronutrients (i.e., nitrogen, phosphorus and potassium). But be careful. Too much nitrogen can cause your plants to grow too fast, resulting in less fruit and excessive foliage that is susceptible to pest infestation. Choose a fertilizer with a good, balanced dose of phosphorus.

Ultimately, tomato plants love to be well fertilized and can almost always benefit from fertilization – whether you use a granular, water-soluble fertilizer or a slow-release fertilizer for tomato plants.

5. growing tomatoes without a suitable climbing aid

Tomatoes give additional support with Rankturm

Many tomato varieties require a climbing aid to keep them off the ground. This is necessary to:

  • Maximize garden space and maintain order by growing tomato plants upward (instead of outward).
  • Contain robust plants so they do not overshadow neighboring fruits/vegetables.
  • To prevent diseases and pest infestations on tomato plants.
  • To allow for easier harvesting.

There are three different ways to support tomatoes, namely through stakes, trellises, and trellises.

Which climbing support for tomatoes

While your plants are still small, you should support them within a few days of transplanting to prevent root damage. These are some common and effective methods for supporting tomatoes:

  • Tying to stakes is a method that uses metal or wooden stakes that can range from one to two feet long, depending on the tomato variety. When doing this, tie the main stem of the plant securely but loosely to the stake and continue to do so as the plant grows taller.
  • Rim-towering is a simple method of holding plants in wire towers and supporting their stems. Simply pull the stems through the wire as your tomatoes grow.
  • Trellises are also a functional and attractive option for support, especially for indeterminate tomato varieties. You can use twine, metal posts or wire tied together in rows. Just make sure the wires are sturdy enough to hold the heavy limbs of your plants.