Milorganite Organic 6-4-0 Nitrogen Fertilizer - 32 lb
- All-purpose, slow-release organic nitrogen fertilizer for lawns, gardens, trees, and shrubs
- Non-burning formula with virtually no salts, safe even in hot or dry conditions
- Contains 6% Nitrogen, 4% Phosphate, and 2.5% Iron for deep greening and strong roots
- Covers up to 2,500 sq. ft. and feeds plants for 8–10 weeks without watering-in
Milorganite Organic 6-4-0 Nitrogen Fertilizer is a trusted, eco-friendly solution for lush lawns and thriving gardens. Derived from recycled organic matter, this slow-release formula delivers essential nutrients gradually, reducing runoff and promoting soil health. With added iron for vibrant green color and phosphorus for root development, Milorganite nourishes plants safely without burning, even in drought conditions. Perfect for lawns, flowers, vegetables, and trees, this 32lb bag provides long-lasting feeding for up to 10 weeks.
Guaranteed Analysis
Total Nitrogen (N): 6.0%
4.0% Water Insoluble (slow-release)
2.0% Water Soluble
Available Phosphate (P₂O₅): 4.0%
Total Iron (Fe): 2.5%
Calcium (Ca): 1.2%
Derived from: Heat-dried biosolids
Key Benefits
- Slow-release nutrients feed for up to 10 weeks
- Non-burning formula safe for all plants and grass types
- Improves soil structure and microbial activity
- Contains iron for deep, long-lasting green without staining concrete
Application Rates
Lawns: Apply 32 lbs per 2,500 sq. ft. using a spreader.
Holiday Schedule (Cool-season grasses): Memorial Day, July 4th, Labor Day, Thanksgiving.
Warm-season grasses: Easter, Memorial Day, Labor Day, Early October.
Gardens & Beds: Mix into soil before planting or top-dress during growth.
Trees & Shrubs: Spread evenly under drip line and water lightly.
How It Works
Milorganite releases nutrients gradually as soil microbes break down the organic matter, ensuring steady growth and reducing nutrient leaching.
Coverage & Longevity
One 32 lb bag covers up to 2,500 sq. ft. and feeds for 8–10 weeks without the need for watering-in.
Safety Information
Keep out of reach of children and pets. Avoid inhalation of dust and contact with eyes. Wash hands after use.
Storage & Handling
Store in a cool, dry place. Seal bag after use to prevent moisture absorption.
Technical Specs
N-P-K Ratio: 6-4-0
Net Weight: 32 lb
Form: Granular
Coverage: 2,500 sq. ft.
Iron Content: 2.5% for enhanced greening
- All-purpose, slow-release organic nitrogen fertilizer for lawns, gardens, trees, and shrubs
- Non-burning formula with virtually no salts, safe even in hot or dry conditions
- Contains 6% Nitrogen, 4% Phosphate, and 2.5% Iron for deep greening and strong roots
- Covers up to 2,500 sq. ft. and feeds plants for 8–10 weeks without watering-in
Milorganite Organic 6-4-0 Nitrogen Fertilizer is a trusted, eco-friendly solution for lush lawns and thriving gardens. Derived from recycled organic matter, this slow-release formula delivers essential nutrients gradually, reducing runoff and promoting soil health. With added iron for vibrant green color and phosphorus for root development, Milorganite nourishes plants safely without burning, even in drought conditions. Perfect for lawns, flowers, vegetables, and trees, this 32lb bag provides long-lasting feeding for up to 10 weeks.
Guaranteed Analysis
Total Nitrogen (N): 6.0%
4.0% Water Insoluble (slow-release)
2.0% Water Soluble
Available Phosphate (P₂O₅): 4.0%
Total Iron (Fe): 2.5%
Calcium (Ca): 1.2%
Derived from: Heat-dried biosolids
Key Benefits
- Slow-release nutrients feed for up to 10 weeks
- Non-burning formula safe for all plants and grass types
- Improves soil structure and microbial activity
- Contains iron for deep, long-lasting green without staining concrete
Application Rates
Lawns: Apply 32 lbs per 2,500 sq. ft. using a spreader.
Holiday Schedule (Cool-season grasses): Memorial Day, July 4th, Labor Day, Thanksgiving.
Warm-season grasses: Easter, Memorial Day, Labor Day, Early October.
Gardens & Beds: Mix into soil before planting or top-dress during growth.
Trees & Shrubs: Spread evenly under drip line and water lightly.
How It Works
Milorganite releases nutrients gradually as soil microbes break down the organic matter, ensuring steady growth and reducing nutrient leaching.
Coverage & Longevity
One 32 lb bag covers up to 2,500 sq. ft. and feeds for 8–10 weeks without the need for watering-in.
Safety Information
Keep out of reach of children and pets. Avoid inhalation of dust and contact with eyes. Wash hands after use.
Storage & Handling
Store in a cool, dry place. Seal bag after use to prevent moisture absorption.
Technical Specs
N-P-K Ratio: 6-4-0
Net Weight: 32 lb
Form: Granular
Coverage: 2,500 sq. ft.
Iron Content: 2.5% for enhanced greening