Sol Soils Orchid Chunky MixOrchid Chunky Mix is designed to be extra light and avoid compaction to provide maximum oxygen to the root system, a must for these unique plants. WHATS IN IT Organic: coconut husk chips, recycled forest products Inorganic: chunky perlite FUN FACT As orchids typically are not found in the ground, they obtain water and nutrients from the air, rain, and debris that collects in the crevices in which they grow.