Kurodama is a ready mixed inorganic, lightweight bonsai soil. It provides an excellent balance of drainage and water retention and is suitable for both indoor and outdoor trees. A mixture of lava rock and molar clay, Kurodama does not breakdown and will hold its structure for longer.
Its light and loose structure helps promote root growth when establishing trees can be sieved and re-used again, providing great value for money. It is also suitable for cacti and succulent plants, providing a lightweight soil mixture.
Supplied in 1 litre bags weighing approximately 400 grams, it has a grain size of 3mm to 6mm.For information on bonsai soil substrates and indicative mixes for your trees, take a look at our bonsai soil substrates article.