Happy Frog Potting Soil is amended with soil microbes that can help improve root efficiency and encourage nutrient uptake. Between the earthworm castings, bat guano, and aged forest products, your container plants have never felt so good. Garden tip: Happy Frog Potting Soil is designed for container planting. Whether you're growing a ficus in the dining room, a geranium on the patio, or a lemon tree on the deck, use our Potting Soil in your containers.