


Kiryuzuna Medium Grain 3-6mm - 3L
Kiryuzuna is a Japanese volcanic-origin substrate widely used in bonsai cultivation, especially for conifer species such as pines and junipers. Its main feature is excellent drainage capacity, allowing water to flow efficiently and preventing excess moisture around the roots, which helps to avoid root rot. Its granular structure ensures good aeration, providing roots with the necessary oxygen for healthy growth.
It also stands out for its nutrient retention ability, gradually releasing nutrients for more effective fertilization. It can be mixed with other substrates such as akadama or volcanic gravel, depending on the specific needs of each plant. Its slightly acidic pH is ideal for conifers; for deciduous species, it is recommended to mix it with akadama to balance moisture retention.