FAST-DRAINING GRITTY MIX: This bonsai soil mix is our fastest draining blend, made with pine bark, pumice, granite, and calcined clay to boost aeration and help prevent root rot indoors. READY TO USE FOR BONSAI: Specially formulated indoor bonsai soil for dry-loving plants like Japanese Maple, Juniper, Cedar, Fir, Spruce, select Ficus, and succulents including Lithops. EXCELLENT DRAINAGE & AERATION: Bonsai potting mix improves drainage and airflow, letting excess moisture escape while supporting healthy growth and strong, resilient root systems. PEAT-FREE SUSTAINABLE BLEND: Our clay free bonsai soil mix uses pine bark instead of peat, supporting healthy plant growth and helping preserve natural resources for future generations. SUPPORTS GLOBAL REFORESTATION: A portion of every bonsai potting mix sold helps restore deforested regions, supporting reforestation efforts and contributing to a healthier planet.