Gardeners love Happy Frog Potting Soil! This natural potting soil mix includes microbes and fungi that help break down organic matter for healthier plant roots. With earthworm castings, bat guano, and aged forest products, this potting mix is especially rich but still drains well. It's perfect for seed starting, indoor plants, and container gardens. Contains no cheap fillers or topsoil. 2 cu. ft. bag.