Get healthy plant growth and abundant flowering with this Westland Orchid Potting Mix. A specially blended mix of bark and Seramis clay granules, this mix produces an open-structured potting mix that allows free air flow and retains moisture. For healthy growing and abundant flowering, this potting mix fills your garden with bright beautiful flowers. Also, it becomes eight litres once filled with water. This potting mix is specially designed for planting orchids. Made from a specialist blend including pine bark for airflow and drainage as well.