The Pro-Mix Premium Potting Mix is a high-quality, ready-to-use mix designed for all your container planting needs. Ideal for both indoor and outdoor container planting, suitable for potting or re-potting plants. Contains MYCOACTIVE technology to promote vigorous growth, better stress resistance, and a larger root system. The Peat-based mix enriched with Canadian sphagnum peat moss, peat humus, perlite, limestone, and a controlled release fertilizer is designed to provide your plants with the nutrients they need for healthy growth and vibrant blooms.