Espoma Organic 4 Qt. Bonsai Premium Potting Mix

100% organic, all natural Bonsai premium potting mix. Approved for organic gardening. Provides optimum aeration, drainage, and support. Features a blend of the finest natural ingredients including calcined clay and expanded shale. Specially formulated for all Bonsai, helps improve moisture retention and aeration so roots can grow and plants can thrive. Ready to use formula.