Can tomato plants get too much light

Ideal location for tomatoes - sun or shade for tomato plants?

The tomato belongs to the nightshade family. But the name is deceptive, at least with regard to the preferred location of the tomato plants. Because tomatoes are by no means shy of light, but - as with all other plants - a certain amount of sun is even essential for good development and healthy growth. Find out what the perfect location for tomatoes looks like below.

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Why the location plays a role in the development of tomato plants

Tomato plants don't just live on the sun alone. In addition to sun and shade, various other aspects determine the development of tomatoes, which can usually be influenced quite easily by choosing a suitable location:

  1. exposure: The light of the sun is the absolute basic prerequisite for a plant to be able to generate the energy supplier dextrose and the by-product oxygen from carbon dioxide and water as part of photosynthesis. Too much sun and the complete lack of shade, on the other hand, can damage leaf cells due to the UV radiation contained in the light and thus impair the development of tomato plants. The moisture balance of plants and soil can also be adversely affected by an excess or lack of light.
  2. Ventilation / wind: A sufficient supply of air is necessary to avoid permanent waterlogging and condensation. Excessive wind, on the other hand, can put a lot of stress on weak plants or plants with filigree growth and damage leaves and stems.
  3. humidity: Water is essential for tomato survival as an important part of the photosynthetic reaction. On the other hand, waterlogging, i.e. an excess supply of moisture that does not run off, favors the development of mold or rot, which can ultimately lead to damage or even death of the plant.
  4. Soil condition: Every plant has its own requirements for the soil in which it grows. The properties can relate to water permeability, the supply of nutrients, but also the possibilities for root expansion and are influenced by components such as humus, sand, clay, stones and other ingredients.

The ideal location for every growth phase

Not only the tomato plants in general have their own requirements for their location. Even the individual development stages of the tomatoes require their own individual aspects in order to be able to develop well and vigorously according to their respective growth status. The following list shows what a plant is particularly dependent on at which stage, so that the choice of a suitable location or the adaptation of a location that cannot be changed can be easily achieved.

Cultivation

Ideal conditions:

  • Sunny and warm location for high germination
  • High soil moisture
  • Good ventilation to avoid standing moisture and condensation as a prerequisite for mold and rot
  • Suitable potting soil with a low salt content

To avoid:

  • very windy locations to avoid excessive drying of the soil
  • Locations susceptible to frost, as germinated seeds are very susceptible to frost
  • direct irrigation to avoid the seed being washed away
  • Waterlogging due to insufficiently permeable soil and excessive irrigation

Opportunities for site improvement:

  • Wind, frost and rain protection, for example through mobile greenhouses, transparent film tunnels or the like
  • Increase in humidity by using transparent, but not completely airtight, covers

Pricking and development

Ideal conditions:

  • Sunny and warm location, around 25 ° C is ideal
  • High soil moisture for sufficient water supply to the plant
  • Good ventilation to avoid standing moisture and condensation
  • Pricking soil with a high nutrient content and good water storage and drainage capacity

To avoid:

  • very windy locations to avoid excessive drying out of the soil and young plants
  • Locations susceptible to frost, as young plants are quickly damaged by frost or die off completely
  • Excessive exposure to sunlight, as UV components of light stress and damage plants that are not fully developed
  • direct irrigation, as damp leaves are particularly susceptible to fungus and other diseases
  • Waterlogging to prevent damage to the root system from rot and mold

Opportunities for site improvement:

  • Wind, frost and rain protection, for example through mobile greenhouses, transparent film tunnels or the like
  • Provide sufficient shade through covers or shady companion plants
  • Soil improvement, e.g. by adding fertilizer

Growth and maturity

Ideal conditions:

  • Sunny and warm location around 25 ° C
  • High soil moisture through adequate irrigation and storable soil components
  • Good ventilation to avoid standing moisture in the root and stem area
  • Nutrient-rich and drainable soils in the slightly acidic pH range between 6.5 and 7 with good water storage capacity

To avoid:

  • strong windy locations to avoid excessive drying out of soil and plants and to prevent damage to leaves and styles
  • direct irrigation, as damp leaves are particularly susceptible to fungus and other diseases
  • Waterlogging to prevent damage to the root system from rot and mold

Opportunities for site improvement:

  • Wind and rain protection, for example through mobile greenhouses, transparent film tunnels or the like
  • Regular supply of nutrients through compost, fertilizer or similar measures

Balcony versus open air - the location brings these differences with it

Tomato cultivation cannot always take place under optimal conditions in the greenhouse or in the field. For example, if you do not want to do without home-grown tomatoes without a garden, you can use the window sill at home for cultivation and then on the balcony or terrace for subsequent cultivation. Of course, individual site conditions are more difficult to implement in these improvised areas, but other aspects are quite easy. Conversely, of course, the same also applies to outdoor rearing. While the topics of wind, frost and rain protection can be difficult outdoors and soil improvements are usually quite time-consuming, these aspects can be implemented well on the home balcony by a location close to the wall, in the shade of the next higher balcony, or on the side of the railing away from the wind . Optimal soils can also be easily implemented in the limited volume of the planter.

Instead, it is more difficult to control an optimal water supply on the balcony, since immediately after watering there is usually an oversupply that is difficult to drain off in the limited pot volume. Even without wind and excessive sunlight, potted plants dry out faster than their siblings outdoors. Both free-range husbandry and balcony rearing are easily feasible with a little skill and attention, but the focus should be on the respective weaknesses of the selected variant.

The right location for tomatoes - easily realized with the right knowledge

Tomato plants are much more demanding than many other plants in our daily life. They just make clear demands on their environment in order to achieve optimal growth. As always, it is important to avoid extreme conditions, such as only light or a permanent location in the shade, and offer a healthy average of warmth and moisture. Depending on the growth phase, the tomatoes need different things in different amounts. With the knowledge of these needs, even unfavorable locations can be upgraded quite easily so that nothing stands in the way of growing your own tomatoes.