Nurseryland's Container Soil is blended specifically for growing plants in containers. It combines the sphagnum and sedge peats with composted bark fines for great water retention and a structurally strong organic base. Mixed in is a food-grade polymer for added water capacity, perlite to lighten the soil for younger and softer flowers, herbs, and veggies, and a slow release fertilizer to provide the energy to make any plant happy that finds itself immersed in Nurseryland's Premium Container Mix. Take the guess-work out of soil-less recipes and let this premium professional mix give your plants the perfect home!