Milorganite: Complete Guide
An organic, slow-release fertilizer made from heat-dried microbes in Milwaukee, WI. Contains 6% nitrogen and 4% phosphorus plus iron (2.5%) for natural greening. Cannot burn, making it one of the safest fertilizers available. The most popular organic lawn fertilizer in America.
Key Facts
6N
4P
0K
N 6% Nitrogen: leaf and stem growth
P 4% Phosphorus: roots and flowers
K 0% Potassium: health and disease resistance
Learn more about NPKNPK Ratio
6N
4P
0K
N 6% Nitrogen: leaf and stem growth
P 4% Phosphorus: roots and flowers
K 0% Potassium: health and disease resistance
Learn more about NPKFormgranular
Application Rate32 lbs per 2,500 sq ft (about 12.8 lbs per 1,000 sq ft), 4 times per year
Price~$0.5/lb est.
Release Speedslow
Burn Riskvery low
Low Risk: Safe application rate for most plants.
What is Milorganite Best For?
When Should You Use Milorganite?
Use on any lawn or garden where slow, steady feeding and zero burn risk are priorities. Apply 4 times per year.
When Should You NOT Use Milorganite?
Low NPK means you need high volume. Not cost-effective for large agricultural applications.
Source:Milorganite (manufacturer)