Hi-Yield Iron Sulfate provides an effective solution to the yellowing of foliage in your lawns, flowers, shrubs, and gardens. It is formulated to help correct chlorosis due to iron deficiency in plants and prevent them from looking yellow and faded-out. It also helps acidify the soil to maintain a lower pH. Hi-Yield Iron Sulfate is very easy to use and may be utilized anytime during the growing season. Available in 4-lb. bag which covers up to 1,000 sq. ft. Lawns: Apply 4 lbs. per 1,000 sq ft, using any hand or power-operated gravity or rotary type spreader. Trees: Apply 1/2 lb. per inch of trunk diameter, spread evenly under the drip line, and water heavily. Shrubs: Use 1 lb. for each 2 ft. of height. Mix into the soil. Water in.
