Espoma Tree-ToneFertilizer is a superior all-natural plant food created to provide the required nutrients for shade, fruit, and ornamental trees. It is a unique blend that contains 100% natural and organic ingredients to give a balanced and complete food to a tree’s roots, leaves, and trunk. Tree-Tone is enriched with Bio-tone beneficial microbes to help boost the growth and development of the whole tree and provide all the nutrients it needs.