Milorganite 6-4-0 is a trusted, all-purpose organic nitrogen fertilizer formulated to improve turf and landscape health with long-lasting feeding. Its unique composition—derived from heat-dried microbes that digested organic matter—makes it safe for use on lawns, ornamentals, vegetables, and as a seed carrier. Ideal for professional landscapers, municipal groundskeepers, and sports turf managers, this non-burning fertilizer enhances soil biology, provides iron for a rich green appearance, and feeds for up to 10 weeks with minimal risk of runoff or leaching.
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- Slow-release organic nitrogen promotes steady plant growth
- Safe for use in drought-prone and water-restricted areas
- Non-burning formula is safe for children and pets
- Does not stain concrete, patios, or sidewalks
- Boosts soil organic matter and microbial activity
| Nutrient | Value |
|---|---|
| Total Nitrogen (N) | 6.0% |
| Water Soluble Nitrogen | 2.0% |
| Water Insoluble Nitrogen* | 4.0% |
| Available Phosphate (PO) | 4.0% |
| Calcium (Ca) | 1.2% |
| Iron (Fe) | 2.5% |
Derived from processed sewage
*4.0% Slowly available Nitrogen derived from processed sewage
Application & Use Rates
Apply using a broadcast spreader during key seasonal milestones for cool-season grasses. No need to water in immediately after application. Works as both a fertilizer and seed carrier.
- Recommended rate: 32 lbs per 2,500 sq ft
- Annual schedule: Memorial Day, 4th of July, Labor Day, and Thanksgiving
| UPC | Weight(lbs) | Weight(oz) | SKU | Model # | Pricing |
|---|---|---|---|---|---|
| 046539620050 | 5 | ||||
| 046539640324 | 32 | ||||
| 046539620777 | 50 |