Black Gold 8 Qt. Premium Potting Mix Moisture Supreme Container Mix. It includes coir for outstanding water management. It contains bark, Canadian sphagnum peat moss, compost, coir, perlite or pumice or cinders, earthworm castings, dolomitic lime, and controlled release fertilizer to feed plants for up to 6 months. It is ideal for container plantings that require daily irrigation, such as patio pots, hanging baskets, window boxes, and other containers. Now contains Resilience, for patented growing mixes enriched with silicon for stronger stems and improved root mass.