BETTER-GRO® Special Orchid™ mix is a multi-purpose potting mixture for growing cattleyas, phalaenopsis, dendrobiums, paphiopedilums, oncidiums and all epiphytic orchids. The extreme versatility of this mix makes it the clear choice for orchid hobbyists, orchid collectors and professional growers. BETTER-GRO® Special Orchid™ mix is a dynamic combination of western fir bark, hardwood charcoal and sponge rock that has been specifically formulated by a team of highly-trained orchid growers. It promotes healthy, strong growth by providing great drainage and allows for proper root ventilation.