The SylvaGrow Peat-Free Planter for Organic Growing contains a unique blend of fine bark (a by-product of sustainably managed British forests), coir (from known, ethically-approved sources), green compost (a carefully-sourced, certified ingredient) and balanced organic nutrients sufficient for the first 3 - 4 weeks of growth. It is based on a formula used by professional organic growers throughout the UK and is RHS endorsed and Soil Association approved.