Chelated Water Soluble Iron from ferti-lome is made to prevent or correct Iron Chlorosis. Use Chelated Iron on alkaline and calcium deficient soils, especially soils with a pH above 7. Use on trees, ornamental plants, shrubs, flowers, lawns, containers, and vegetables in the spring, or throughout the growing season as needed. Simply mix with water and pour under plant (not designed for spraying). 6% Chelated Iron derived from Ferric ethylenediamine (FeEDDHA). Always read and follow label directions. 4 lb. bag.