-Gro 8 Qt. Coarse Blend Orchid Potting Mix is a specially formulated coarse blend potting soil designed for epiphyte orchids such as Phalaenopsis, Cattleya, Epidendrum, and Dendrobium. This mix feeds your plants for up to six months while providing fast drainage to ensure good air circulation and drier conditions between waterings. It is i for potting or repotting orchids that thrive in well-drained environments and require less moisture retention, helping to promote healthy root growth and vibrant blooms. Model Number: