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Substrate and fertilisers

If you are interested in buying the best substrates and fertilizers for your bonsai and pampering it as it deserves, browse our catalogue and find the best products in the bonsai world.

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  • Yorkey Liquid Fertiliser 35 ml.

    €0.80

    Yorkey Liquid Fertiliser 35 ml (1 small bottle). Liquid fertiliser, especially recommended for bonsai and potted plants; suitable in times of stress, post re-potting, recovery, etc. As well as to promote sprouting, flowering and growth.

    Special price for 10 units box

  • Substrate TERRABONSAI 2 L.

    €6.85

    Substrate TERRABONSAI 2 L. It is a homogeneous mixture of blond peat, volcanic clay and Akadama that results in a substrate with unique characteristics.

    Complete your repotting pack! Add Vitabonsai, a liquid fertilizer especially indicated for use after repotting, and Akadama small-grain substrate (2 l) to the product. 

  • VITABONSAI Bonsai Invigorating 30 cc.

    €10.45

    VITABONSAI Invigorating 30 cc. Restorative product that allows the rapid recovery of weak bonsais.

  • AKADAMA Small grain (2-6 mm) Substrate 2 L.

    €8.65

    AKADAMA Small Grain (2-6 mm.) Substrate 2 l. The classic Japanese grained land in which bonsai are grown.

  • NUTRIBONSAI ECO Bonsai...
    • On sale!
    • -5%

    NUTRIBONSAI ECO Bonsai Fertiliser 250 ml.

    €8.78 -5% €9.24

    NUTRIBONSAI ECO Fertiliser 250 ml. Organo-mineral liquid fertiliser. It is a very balanced fertiliser that provides organic material to the substrate, thus favouring the development of the roots and increasing the vigour of the bonsai.

  • NUTRIBONSAI Bonsai Fertiliser 250 ml.

    €9.24

    NUTRIBONSAI Fertiliser 250 ml. Special complete mineral liquid fertiliser to be dissolved in the irrigation water. This fertiliser contains all the nutrients necessary for the proper development of bonsais.

  • Basic re-potting Pack

    €25.95

    Basic re-potting Pack. In this pack you will find the most basic products to enable you to repot your bonsai.

  • Bonsai Organic Fertiliser Container (10 u.) 3.5...

    €4.37

    Bonsai Organic Fertiliser Container (10 u.) 3.5 cm diam.. These containers are used to protect organic fertiliser balls and prevent birds and pets from eating them. 

  • Bonsai Organic Fertiliser Container with lid...

    €9.39

    Organic Fertiliser Container with lid (10 units pack) of 4.5 cm diam. These containers are used to protect the balls of organic fertiliser.

  • BIO-GOLD Bonsai Fertiliser 240 gr.

    €19.52

    BIO-GOLD Bonsai Fertiliser 240 gr. Organic fertiliser in triangular pellets to place on top of bonsai soil. It is one of the most recognised fame fertilisers.

    NPK 4-5-4

  • Kanuma Small Grain Substrate 2 l.

    €8.30

    Kanuma Small Grain Substrate 2 l (2-8 mm). The classic Japanese grained soil in which azaleas and trees that live on acid soils are cultivated.

    Last items in stock
  • Bonsai Organic Fertilizer Container (8u) 3.5 cm...

    €4.11

    Bonsai Organic Fertilizer Container (8u) 3.5 cm diam. These containers are used to protect the balls of organic fertilizer. They also prevent the fertilizer from being in direct contact with the soil.

  • BIO-GOLD Bonsai Fertiliser 900 gr.

    €30.37

    BIO-GOLD Bonsai Fertiliser 900 gr. Organic fertiliser in triangular pellets to be placed on the top of the bonsais’ soil. It is one of the most recognised famous fertilisers.

    NPK 4-5-4

  • CLASSIC MOSS 150 gr.

    €18.73

    CLASSIC MOSS 150 gr. The dry moss is used to cover the substrate after the transplant, keeping it moist. The moss prevents the grains from being dragged from the substrate when watering after the transplant, it hydrates easily and maintains humidity, which favors the development of the roots.

  • Bonsai Organic Fertiliser Container (20u) 2.5...

    €6.75

    Bonsai Organic Fertiliser Container (20u ) 2.5 cm diam. These containers are used to protect the balls of organic fertiliser, preventing birds and pets from eating them.

  • Substrate KIRYUZUNA small grain 2 L

    €8.85

    Substrate KIRYUZUNA small grain (3-6 mm) 2L approx. This Japanese hard grain substrate is used to increase the drainage and the duration of the substrate in which we grow our bonsais.

  • SAKADAMA small grain...
    • -€8.60

    SAKADAMA small grain substrate (3-5 mm) 14L

    €22.94 -€8.60 €31.54

    SAKADAMA small grain substrate (3-5 mm) 14L. 

    Sakadama is a substrate with properties and characteristics suitable for bonsai cultivation. Guarantees the absence of dust and pathogens. It offers great resistance to degradation and excellent water and nutrient retention.

    Product available only for shipments to Spain, Portugal, Germany and France.

  • Bonsai Organic Fertiliser Container (10 u.) 4.5...

    €5.24

    Bonsai Organic Fertiliser Container (10 u.) 4.5 cm diam. These containers are used to protect the balls of organic fertiliser, preventing birds and pets from eating them.

  • Pomice bonsai soil. Grain size 3 to 8 mm. 2 l

    €4.95

    Pomice. Bonsai soil. Grain 3 to 8 mm. 2 l. One of the most used soils by bonsai lovers, especially in the cultivation of conifers. It offers excellent qualities for cultivation, particularly its capacity of water and nutrient retention, drainage and oxygenation of the roots. It allows to extend the time between repotting.

    Approx. dimensions: 28.5 x 17.5 x 4.5 cm

  • Volcanic soil grain 3 - 5 mm. 2 L bag

    €6.15

    Volcanic soil for bonsai. Grain size from 3 to 5 mm. 2 L. The use of this soil in the mixtures ensures a draining soil for your bonsai, allowing the oxygenation and preventing the compaction and the consequent problems with the roots. It allows a longer period of time between repotting.

    Approximate dimensions: 18 x 30 x 5 cm

  • KIRYUZUNA mix grain substrate (1.5-14 mm) 10 L

    €28.77

    KIRYUZUNA mix grain substrate (1.5-14 mm) 10 L. This Japanese hard grain substrate is used to increase the drainage and durability of the substrate in which we grow our bonsai.

  • BIO-GOLD CLASSIC MOTOHI bonsai fertiliser 200 gr.

    €18.51

    BIO-GOLD CLASSIC MOTOHI bonsai fertiliser 200 gr. Organic fertiliser in small 100% natural pellets. Specially designed to mix with the soil at the time of transplanting, but it can also be used to fertilise bonsai from spring to autumn.

    NPK 2-8-4

  • Zeolite grain size 3-8 mm. 2 L bag

    €7.94

    Zeolite bonsai soil. Grain size 3–8 mm in 2 L bag. The use of Zeolite in the mixtures improves the quality of the soil. Its porosity helps the root system of the bonsai by favouring the absorption of nutrients, and its drainage capacity also helps the roots to avoid problems derived from excess of water. It allows extending the time between transplanting.

    Approximate dimensions: 18 x 30 x 5 cm

  • Special repotting. Soils for deciduous bonsai

    €34.85

    Special repotting. Soils for deciduous bonsai. This kit is a combination of soils we recommend for preparing ideal mixtures for deciduous bonsai such as Acer, Punica, Malus, Morus, Ficus carica or Ginkgo.

    Includes: Terrabonsai 2 L, Akadama 2 L, Zeolite 2 L, Vitabonsai and sticks.

Buy substrates and fertilizers for bonsai

In this section of our online store, you can buy substrates and fertilizers for bonsai of the best quality and with the guarantee of Mistral Bonsai.

To take good care of your bonsai and so it becomes a vigorous tree, we have organic substrates and fertilisers, soils and clays such as akadama, pomice or Terrabonsai, moss for planting and practical compost containers.

In addition, we offer you the most suitable products to maintain the health of the trees and fight pests and diseases such as fungi, insects or the red spider, from phytosanitary to revitalising and invigorating products that are easy to use, such as Nutribonsai Eco or Naturbonsai.

Find the best substrates and fertilisers for bonsai and buy them online with a money-back guarantee!