Siro Bonsai

SIRO® BONSAI is a special substrate for planting and transplanting of bonsais. Its Japanese formula with the highlight of the akadama clay and volcanic gravel, is specially adapted to the high demands of these types of plants, as well as their farming needs - thus increasing their longevity. It ensures a symbiosis between good water retention, good drainage and excellent aeration, ensuring a natural and controlled development of the bonsai root system. It is enriched with a controlled slow releasing fertilizer up to 9 months.