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What fertilizer for tomatoes: These natural fertilizers prevent nutrient deficiencies in the heavy eaters

Tomatoes are one of the most popular vegetables – both bought in the supermarket or market, and for home growing in the garden of the amateur gardener. No wonder, because the tomato tastes simply wonderful in an infinite number of variants of preparation. If you too have decided this year to add tomato plants to your vegetable patch or even want to grow them in a pot on your balcony, the important question arises as to which fertilizer is best for tomatoes. Especially chemical-free and natural fertilizers for tomatoes are in demand – can you even find suitable ingredients in your own four walls? We have a few tips for you!

What fertilizer is good for tomatoes?

What fertilizer for tomatoes is best suited for garden and pot

Fertilizer is important not only to harvest large, juicy and delicious fruit. It also makes the plants strong by providing nutrients so they can better resist any diseases and pest infestations. Tomatoes are highly nutritious and require extra nutrients or more frequent fertilizer applications. It is therefore important to know what nutrient requirements tomato plants have in the first place in order to choose the best tomato fertilizer. Tomatoes are happy with:

  • Phosphate
  • Potassium
  • Nitrogen
  • Magnesium

But be careful: avoid nitrogen-rich garden fertilizers, as they promote the growth of new shoots and the leaves, rather than the flowers and fruits.

Organic tomato fertilizer from your own garden or the farm?

What fertilizer for tomatoes - natural compost from the garden.

Compost is best for providing plants with everything they need. So if you already have a compost pile, you can use it to add a lot of nutrients to the bed even before planting the tomato plants. For each square meter of bed, count on about 3 to 5 liters of compost, which you work into the soil when digging. What other fertilizer can you choose for tomatoes?

What fertilizer for tomatoes - manure is rich in nutrients

Fresh manure is a real diamond for your own garden. So, if you ask yourself “what fertilizer is best for tomatoes?”, this will give you an answer. So, fresh horse manure can be used as fertilizer for tomatoes, as well as cow and sheep manure. Although it is rather rare to overfertilize tomatoes, it should be worked into the soil some time before planting the young plants, as this natural fertilizer is quite harsh and could damage the tender plants. A good alternative is dried manure, which is now offered by both farmers and specialized dealers.

When you plant the tomato seedlings, also like to provide them with horn shavings and other organic fertilizer or a slow-release fertilizer. These measures are sufficient for the beginning. Only when the first fruits form, the plants need nutrients again.

What fertilizer for tomatoes – fertilize tomatoes with home remedies.

Coffee grounds contain nitrogen, phosphate and sulfur and protect plants from a lack of nutrients


  • Fertilize tomatoes with coffee grounds against phosphorus deficiency.
    If you fertilize your tomatoes with coffee grounds, they will receive nitrogen, phosphate, sulfur and antioxidants. Accordingly, it is wonderful for preventing nitrogen deficiency in tomatoes. Use only already brewed coffee grounds (never fresh) and always let them dry very well before storing or using them. Moist coffee grounds are prone to mold growth. Spread the powder out on a plate or other suitable surface for this purpose.
  • Fertilize tomatoes with yeast and sugar against potassium deficiency
    Yeast contains, among other things, potassium and magnesium and can therefore prevent magnesium deficiency and potassium deficiency in tomatoes. Sugar, in turn, gives plants energy to grow. Both can be given in addition to other fertilizers. Either you work both ingredients into the soil already in the fall or sprinkle it over the substrate, or you make irrigation water from 1 liter of stale tap water or rainwater, 10 grams of yeast and 20 grams of sugar.

Eggshell water can be administered in addition to other tomato fertilizer

  • Eggshells as fertilizer for tomatoes
    Eggshells, like yeast, can be given as a supplement, but not as a substitute for other fertilizer, or you risk nutrient deficiencies in the t omate. Simply collect the eggshells (whether raw or cooked eggs) and crush them in a container, after which you fill it with water and let it steep for a few days. With the water you can water the plants.
  • What fertilizer for tomato plants – nettle liquid manure for tomatoes.
    Nettle liquid manure works quickly and reliably, but even better if you combine it with comfrey liquid manure. The advantage of the latter is that it is more sustainable, although the effect is slower. How to make nettle liquid manure yourself, you will learn in this article .

With Epsom salt fertilize tomato plants for magnesium deficiency


  • Epsom salt for tomatoes
    The practical Epsom salt (also magnesium sulfate or Epsom salt), although not a typical home remedy, is available in pharmacies and is very effective in acute or suspected magnesium deficiency. It is highly soluble in water and thus can be administered using irrigation water. To do this, mix 200 g of Epsom salt with 10 liters of water and water the plants (they can also be sprayed with the solution, but only in the evening hours, otherwise the strong sun could burn the leaves).

From when to fertilize tomatoes and how often?

The larger the fruit of the tomato, the greater the need for nutrients

When to fertilize homegrown tomatoes?

This depends mainly on the seed. It is best to inquire at the store. As a general rule, fertilize the soil one to two weeks before sowing the plants and/or one to three weeks after germination is complete. Fertilize the tomato seedlings with one to two small applications of fertilizer before setting them out in May.

What kind of fertilizer for tomatoes - the strong growers need to be supplied regularly

How often to fertilize tomatoes?

The frequency depends on several things. Varieties that bear large fruits have greater nutrient requirements than cherry tomatoes, for example. The condition of the soil also plays an important role. For example, you need to fertilize a loamy soil less often. Also to be considered are the light conditions. The darker the plants are, the slower they grow and the fewer nutrients they require as well.

How often and from when to fertilize tomato plants

Also read: These mistakes you should avoid when growing tomatoes !