Milorganite is a lawn fertilizer made from heat-dried microbes that have digested the organic matter in wastewater. It is marketed as an eco-friendly fertilizer that provides slow-release nutrients to plants and grass.
Milwaukee Metropolitan Sewerage District began producing Milorganite in 1926.
It was first sold to farmers as a fertilizer, then to home gardeners.
Milorganite became popular as a lawn fertilizer in the 1950s.
In the late 1970s, concerns about heavy metal contamination led to improvements in production methods, and today's Milorganite meets strict federal and state standards for heavy metal content.
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Milorganite 6-4-0 is the most common formulation of Milorganite. It is a slow-release fertilizer that provides nitrogen, phosphorus, and potassium to grass and plants over an extended period of time.
Milorganite Organic Nitrogen Fertilizer is similar to the 6-4-0 formulation, but it is made with only organic ingredients. It is OMRI-listed for organic use.
Yes, Milorganite is safe for pets. However, it is best to keep pets off the lawn for 24-48 hours after application to allow the fertilizer to absorb into the soil and prevent them from tracking it into the house.
Milorganite can be applied any time of day, but it is best to apply it when the grass is dry and the forecast calls for no rain for at least 24 hours. This allows the fertilizer to stick to the blades of grass and absorb into the soil properly.
Milorganite should be applied every 6-8 weeks during the growing season (spring and summer). In the fall, you can apply it once more before the grass goes dormant for the winter.
Yes, you can apply Milorganite with other fertilizers. However, it is best to follow the manufacturer's instructions and not exceed the recommended application rate.
Milorganite does have a distinct odor due to the organic matter it is made from. However, the odor is not harmful and will dissipate within a few days after application.