The Westland Orchid potting mix is a specialist Orchid compost with essential nutrients. It is ideal for healthy growth and abundant flowering. Added pine bark and Seramis creates an open soil structure for improved aeration, drainage and water management. Seramis provides water management as it absorbs and slowly releases water and dissolved nutrients. It promotes an open, porous soil structure that supports your plant’s root zone. It helps to avoid soil compaction and supports strong root growth. It works to increase airflow and humidity to create a beneficial microclimate.