Dr. Iron

Out of stock

Corrects iron deficiency which causes yellowing in plants and lawns. Use Monterey Dr. Iron on lawns, flowers, vegetables, shrubs and more. Reduces soil pH and won’t stain or burn like other iron products! Avoid rust spots on concrete.

Contains 22% iron and 55% sulfur, more than the competition. OMRI Listed for use in organic production.

Available size: 7 lb Resealable Bag


Lawns, Flowers, Vegetables and Ground Covers: Apply 3-1/2 pounds per 1,000 sq. ft. Follow the application by a deep thorough watering to activate the product and move it into the soil profile.

Potted Plants:
4 to 8″ pots – Apply 2 tsp and water thoroughly.
8 to 12″ pots – Apply 4 tsp and water thoroughly.

Trees and Shrubs: Apply 1/2 to 1 cup to the soil beneath the trees or shrubs. Water thoroughly.

Guaranteed Analysis:
Sulfur (S) ….. 55.0
Iron (Fe0) ….. 22.0%

Ingredients: Elemental Sulfur and Iron Oxide.

Product Label – PDF
Material Safety Data Sheet (MSDS) – PDF

Purchase by the case and save! Please call 1-888-349-0605 for pricing.