Our Premium and Professional Blends are designed to promote the most advantageous environment possible for root development, healthy foliage, and overall vigor.Professional Blend (based on Boon's Mix) is an inorganic blend of equal parts Akadama, Pumice, and Red Lava with a small amount of crushed granite, (in honor of Boon's vision), and charcoal to "sweeten" the soil. Each ingredient has been tried and chosen to give optimum functionality. It provides superior water retention, drainage, and nutrient uptake. We recommend this blend for conifers.
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