Monterey Dr. Iron (7 lb)

Monterey Dr. Iron (7 lb) is a granular iron supplement that corrects iron deficiency in lawns, flowers, vegetables, trees, and shrubs. Derived from elemental sulfur and iron oxide, it contains 22% iron and 55% sulfur, delivers controlled release for season-long feeding, and will not stain concrete or burn foliage.

At a glance

• Type: Granular iron supplement
• Derived from: Elemental sulfur and iron oxide
• Analysis: 22% iron, 55% sulfur
• Size: 7 lb
• Controlled release for season-long feeding
• Will not stain concrete or burn foliage
• Note: Lowers soil pH
• Suitable for organic gardening

Best for

• Correcting iron deficiency and leaf yellowing (chlorosis)
• Lawns, flowers, and vegetables
• Trees and shrubs
• Lowering soil pH for acid-loving plants
• Organic and sustainable gardens

How to use

Apply at a rate of 1 to 2 tablespoons per square foot of soil, or around the drip line for established plants. Water the treated area thoroughly to activate the product, and apply in the early morning or late afternoon for best results. Because it lowers soil pH, it pairs well with acid-loving plants.

Warning: This product or its packaging has a CA Prop 65 Warning.

About Grow Organic

Grow Organic supplies natural soil amendments and garden essentials to help growers keep plants healthy and productive.