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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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  • Liquid bonsai fertiliser...
    • -20%

    Liquid bonsai fertiliser Green King 460 gr.

    €80.76 -20% €100.95

    Liquid fertiliser Green King 460 gr. Organic Japanese liquid fertiliser with a great invigorating effect on bonsais.

  • Natural active liquid BIO-GOLD VITAL 500 CC.

    €50.93

    Liquid fertiliser BIO-GOLD VITAL 500 CC. It is a revitalizing and stimulating tree growth. It is composed of natural vitamins and amino acids. and its effect is immediate, but it can also be added to irrigation water.

  • 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.

  • Special repotting. Soils for evergreen bonsai

    €31.90

    Special repotting. Soils for evergreen bonsai. This kit is a combination of soils we recommend for preparing ideal mixtures for evergreen bonsai such as Olea, Pyracantha, Citrus, Cotoneaster and indoor bonsai in general.

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

  • HIRYO-GOLD organo-mineral fertiliser -...

    €31.61

    HIRYO-GOLD organo-mineral fertiliser - Coniferous 1 kg. lt is a fertiliser indicated far the cultivation of all species of bonsai belonging to the class of Conifers. The balance between macronutrients is ideal for both fast-growing conifers and less vigorous species. Hiryo Gold Conifers is especially indicated to avoid the typical and unwanted desiccation of conifers. lts compo­sition contains an extra magnesium creating a greater resistance of the trees against the fungi that cause drying.

  • HIRYO-GOLD organo-mineral fertiliser - Growth...

    €31.61

    HIRYO-GOLD organo-mineral fertiliser - Growth and prebonsai 1 kg. lt is a fertiliser indicated for the cultivation of all species of bonsai and pre-bonsai. Due to its high general content in nutrients and especially in nitrogen, this fertiliser favours the rapid and vigorous growth of trees; being indicated to promete the growth of bonsai that are in the farmation phase.

  • HIRYO-GOLD organo-mineral fertiliser - Flowers...

    €31.61

    HIRYO-GOLD organo-mineral fertiliser - Flowers and Fruits 1 kg. Hiryo Gold Flowers and Fruits prevents the degradation of the substrate, while increasing the number of beneficial microorganisms in the soil. Due to its high content of phosphorus and potasslum, it is especially suitable for the flowering and fruiting proces­ses of trees, additionally strengthening the roots. lt is also ideal for the cultivation of all bonsai and acidophilic species, such as azaleas, gardenias or camellias, as well as providing extra resistance against diseases and adverse conditions.

  • HIRYO-GOLD organo-mineral fertiliser -...

    €31.61

    HIRYO-GOLD organo-mineral fertiliser - Maintenance 1 kg. lt is a fertiliser indicated for the cultivation of all species of bonsai due to its balanced composition. lt maintains the vigour of the trees and the bright green colour of its leaves. lts organic iron content is ideal far use in conditions that make it difficult to assimilate this nutrient, such as the use of water with high lime content, thus avoiding chlorosis that turns the leaves yellow, reducing the vigour of the trees.

  • 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.

  • 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

  • Special repotting. Soils for conifers bonsai

    €28.95

    Special repotting. Soils for conifers bonsai This kit is a combination of soils we recommend for preparing ideal mixtures for coniferous bonsai repotting, such as Pinus, Juniperus, Taxus, Podocarpus, Pseudolarix, Metasequoia and others.

    Includes: Akadama 2 L, Kiryuzuna 2 L, Vitabonsai and sticks.

  • 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.

  • Special repotting. Soils for acidophilic bonsai

    €26.60

    Special repotting. Soils for acidophilic bonsai. This kit is a combination of soils we recommend for preparing ideal mixtures for acidophilic bonsai such as Azalea, Camelia or Gardenia, which require a lower pH level than the rest.

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

  • 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.

  • BLENDED MOSS 150 gr.

    €22.32

    BLENDED MOSS 150 gr. Dried moss has been harvested and dehydrated to preserve its properties. These are its high moisture retention capacity, its antiseptic properties that help to prevent fungi and other diseases, and also helps to accelerate the rooting process.

  • HIRYO-GOLD organo-mineral fertiliser -...

    €20.35

    HIRYO-GOLD organo-mineral fertiliser - Coniferous 350 gr. lt is a fertiliser indicated far the cultivation of all species of bonsai belonging to the class of Conifers. The balance between macronutrients is ideal for both fast-growing conifers and less vigorous species. Hiryo Gold Conifers is especially indicated to avoid the typical and unwanted desiccation of conifers. lts compo­sition contains an extra magnesium creating a greater resistance of the trees against the fungi that cause drying.

  • HIRYO-GOLD organo-mineral fertiliser - Growth...

    €20.35

    HIRYO-GOLD organo-mineral fertiliser - Growth and prebonsai 350 gr. lt is a fertiliser indicated for the cultivation of all species of bonsai and pre-bonsai. Due to its high general content in nutrients and especially in nitrogen, this fertiliser favours the rapid and vigorous growth of trees; being indicated to promete the growth of bonsai that are in the farmation phase, without posing risks to the trees.

  • HIRYO-GOLD organo-mineral fertiliser -...

    €20.35

    HIRYO-GOLD organo-mineral fertiliser - Maintenance 350gr. lt is a fertiliser indicated for the cultivation of all species of bonsai due to its balanced composition. lt maintains the vigour of the trees and the bright green colour of its leaves. lts organic iron content is ideal far use in conditions that make it difficult to assimilate this nutrient, such as the use of water with high lime content, thus avoiding chlorosis that turns the leaves yellow, reducing the vigour of the trees.

  • HIRYO-GOLD organo-mineral fertiliser - Flowers...

    €20.35

    HIRYO-GOLD organo-mineral fertiliser - Flowers and Fruits 350 gr. Hiryo Gold Flowers and Fruits prevents the degradation of the substrate, while increasing the number of beneficial microorganisms in the soil. Due to its high content of phosphorus and potasslum, it is especially suitable for the flowering and fruiting proces­ses of trees, additionally strengthening the roots. lt is also ideal for the cultivation of all bonsai and acidophilic species, such as azaleas, gardenias or camellias, as well as providing extra resistance against diseases and adverse conditions.

  • 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

  • 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.

  • 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

  • VITABONSAI Bonsai Invigorating 30 cc.

    €10.45

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

  • 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.

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!