One of the newer “miracle products” targeted to gardeners is rock dust. Rock dust (also called rock flour or rock mineral powder) is exactly what it sounds like. It is a byproduct of quarry work and is generally a finely pulverized material that resembles silt. It’s heavily promoted as a way to provide macro- and micronutrients to your soils and plants. Is it worth adding to your gardens?
First, it’s worth acknowledging that repurposing an industry byproduct is always preferable to throwing it away.… Continue reading this article “The dirt on rock dust”