Fruit and Vegetables

Lemon fertilizer

Lemon fertilizer

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Question: Lemon fertilizer

I bought a potted lemon tree and placed it on the balcony. I would like to know what kind of fertilizer to use and how often.
How many times must you water it and if in the evening I have it in the morning.

Answer: Lemon fertilizer

Dear Antonio,
for potted lemon plants it is commonly used a fertilizer for flowering plants, the same one you use for the flowers you keep on the window sill or in the trays on the balcony edge, and you supply it more or less at the same frequency, from April to September every 12-15 days, with water for watering.
Wanting for the lemon you can buy a specific fertilizer, which generally contains high amounts of potassium and nitrogen, and less phosphorus, and is generally added with iron, since lemons, especially if grown in pots, tend to suffer over time of chlorosis, due to the low quantity of bio-available iron in the soil. Generally fertilizers for flowering plants are already composed in this way, that is they already contain more nitrogen and potassium, less phosphorus and microelements, such as iron, boron or other.
How to understand if the fertilizer you have is suitable for your lemon?
The amount of microelements and macroelements it contains is expressed on each fertilizer; the macroelements are three, Nitrogen (N), Phosphorus (P), and Potassium (K), the symbols differ from the initial of the name in Italian because the initials of the names in Latin have been used, namely Natrium, Phosphorum and Kalium. Beside the initials NPK, generally you will also find three numbers, which indicate the title of the three elements in your fertilizer (ie the quantity); for a citrus fruit, a 10-5-10 (approximately) fertilizer is used, which therefore contains as much nitrogen, little phosphorus and as much potassium; more or less like a fertilizer for flowering plants. A good fertilizer in addition to the three main macroelements, also contains additional microelements, such as iron or manganese, which are indicated later. So on your fertilizer you should read an acronym like NPK 10-5-10 + Fe + Mn + B, if it also contains Ferro, Manganese and Boro (to give you an example). The best quality fertilizers have the three main high numbers (the higher the numbers are, the smaller the quantity of fertilizer to be dissolved in the water before watering) and have many microelements; those of poor quality do not have microelements or have the three very low numbers, type 4-2-4 and therefore in the water of the watering you will have to use a higher quantity of fertilizer every time.
If you often forget to fertilize, or you get annoyed every two weeks, mix the fertilizer with water, sprinkle a couple of tablespoons of slow release granular fertilizer for citrus fruits or flowering plants on the surface of the pot.
In addition to this fertilizer, traditionally in the first layer of the soil of the lemon plants are added some lupines that have been chopped, which over the months melt in the soil enriching it with useful amino acids.
Lemons love fairly regular watering; but in general they can withstand short periods of drought, so water only when the ground is well dry; or every day or every other day in the summer, much more rarely in spring and autumn, especially if the vase is exposed to the elements.


  1. Maza Blaska

    That was my fault.

  2. Auctor

    In the root incorrect information

  3. Ranell

    Everything, I'm getting married on November 15. Congratulate me! Now I will rarely come to you.

  4. Dean

    you can infinitely discuss it.

  5. Momuro

    mmyayaya… .. * thought a lot *….

  6. Faelkis

    you are right, that's right

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