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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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  • NUTRIBONSAI Fertiliser 250 ml.
    • -29%

    NUTRIBONSAI Fertiliser 250 ml.

    €6.17 -29% €8.71

    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.

  • SAKADAMA medium grain substrate (5-8 mm) 14L

    €31.54

    SAKADAMA medium grain substrate (5-8 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.

  • 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.

  • SAKADAMA SHOHIN substrate...
    • -€5.73

    SAKADAMA SHOHIN substrate grain (1-3 mm) 14L

    €29.51 -€5.73 €35.24

    SAKADAMA SHOHIN substrate for bonsai grain (1-3 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.

  • Liquid bonsai fertiliser...
    • -20%

    Liquid bonsai fertiliser Green King 460 gr.

    €78.41 -20% €98.01

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

  • Substrate KIRYUZUNA medium grain 15 l.

    €38.94

    Substrate KIRYUZUNA medium grain (5.5-10 mm) 15 l approx. This Japanese hard grain substrate is used to increase the drainage and the duration of the substrate in which we grow our bonsais.

    Last items in stock
  • KANUMA small grain 16 L approx. (2-6 mm).

    €27.95

    KANUMA small grain 16 L approx. (2-6 mm).. Approx. dimensions (width x depth x height): 55.0 * 37.5 * 9.0 cm.

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

    €21.36

    KIRYUZUNA mix grain 10 L approx. (1.5-14 mm).. Approx. dimensions (width x depth x height): 47.0 * 32.0 * 10.0 cm.

  • Organic Fertiliser Container 10 u 3.5 cm diam.

    €4.49

    Organic Fertiliser Container 10 units of 3.5 cm diam. These containers are used to protect the balls of organic fertiliser, preventing birds and pets from eating them.

  • Pomice Grain 3 to 8 mm, in a 20 l bag.

    €11.56

    Pomice Grain 3 to 8 mm, in a 20 l bag. One of the substrates most used by amateurs for the bonsais’s cultivation because of their excellent qualities.

  • Organic Fertiliser Container with lid 10 u 4.5 cm diam.

    €9.11

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

  • NUTRIBONSAI ECO Fertiliser...
    • -35%

    NUTRIBONSAI ECO Fertiliser 250 ml.

    €5.66 -35% €8.71

    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.

  • Substrate KIRYUZUNA small grain 2L

    €8.59

    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.

  • Organic Fertiliser Container 20 units of 2.5 cm diam

    €6.36

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

  • Organic Fertiliser Container 8 units of 3.5 cm diam

    €3.87

    Organic Fertiliser Container 8 units of 3.5 cm diam. These containers are used to protect the balls of organic fertiliser. They also prevent the fertiliser from being in direct contact with the soil.

  • Substrate TERRABONSAI 2 L.

    €6.21

    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 fertiliser especially indicated for use after repotting, and Akadama small-grain substrate (2 l) to the product. 

  • Sustrato AKADAMA grano pequeño 2 l.
    • On sale!

    Basic re-potting Pack

    €24.02

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

  • Introductory re-potting Pack
    • On sale!
    • -10%

    Introductory re-potting Pack

    €29.07 -10% €32.30

    Introductory re-potting Pack. New to re-potting bonsais ? In Mistral Bonsai we have prepared a pack with all the most essential tools and products to enable you to carry out this task comfortably.

  • Rejillas 35x35 mm.
    • -€2.85

    Essential re-potting Pack

    €25.95 -€2.85 €28.80

    Essential re-potting Pack. Already have all the necessary tools to repot your bonsai, but you are you missing some things? Here is a pack with the most essential products for re-potting.

  • Bamboo charcoal small grain 5L approx.

    €31.94

    Bamboo charcoal small grain 5L approx.

  • Organic Fertiliser Container 10 u 4.5 cm diam.

    €5.08

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

  • Yorkey Liquid Fertiliser 35 ml.

    €0.78

    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

  • Maintenance Kit Mistral Bonsai.

    €34.36

    An ideal kit for beginners. It contains the essential tools for bonsais’ care, a bottle of one of the best bonsai fertilizers and, the Care and Advices guide in which you will find the practical way to take care of your first bonsais.

    Add a Carmona bonsai to your selection if you wish.

  • VITABONSAI Invigorating 30 cc.
    • -20%

    VITABONSAI Invigorating 30 cc.

    €7.86 -20% €9.83

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

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!