What is insect frass? A straightforward UK guide (and yes, it’s basically insect poo)
“Insect frass” is one of those gardening terms that sounds technical until someone explains it properly. In plain English, frass is the material left behind when insects are reared and fed. When it’s prepared for gardeners, it’s used as a natural fertiliser and soil input because it provides nutrients and organic matter in a practical, […]
