Kellogg Garden Organics 648 0.3-0.1-0.1 All Natural Potting Mix Premium Mix for Outdoor Containers 40 qt is perfect for all of your container gardening projects. All Natural Potting Mix is ready to use with no mixing required. It contains added fertilizers such as bat guano, poultry manure, and kelp meal, providing an excellent soil environment for plants. Let’s call it the crème de la crème for your potted plants. This great soil environment retains moisture, requiring less watering.