Improves existing soil to build strong roots. Specially formulated to holds up to 25% more water than native soil. Feeds up to 3 months with Miracle-Gro Continuous Release Plant Food. A complete garden soil for all types of deciduous, evergreen and flowering trees and shrubs. Far superior to topsoil with its scientific blend of coarse forest products, sphagnum peat moss and manure. Fortified with phosphorus and iron to promote root development and prevent leaf yellowing.