Hi-Yield Iron Sulfate (ferrous sulfate) prevents and corrects iron chlorosis - the yellowing of leaves caused by iron deficiency. It greens up lawns, creates acid soil conditions for acid-loving plants, and can be used on lawns, flowers, shrubs, and trees.

• Corrects iron chlorosis (leaf yellowing from iron deficiency)
• Creates acid soil conditions for azaleas, rhododendrons, and blueberries
• 3.25 lb bag covers approximately 875 sq ft
• Trees: 1/2 lb per inch of trunk diameter, apply around drip line
• Shrubs: 1 lb per 2 ft of height
• Formerly known as Copperas
• Granular formula for easy application

Note: Will stain concrete and pavement. Apply carefully around hardscape surfaces.