Gardens: so you think coffee grounds are good for plants

A real-life test and all the science explodes this popular mythIt’s one of the most common gardening tips going: apply spent coffee grounds around your garden for amazing results. A quick internet search for “coffee grounds + plants” will draw up close to four million hits, with consistent claims they can add essential minerals to the soil, boost populations of friendly soil bacteria and even reduce the pH of growing media for acid-loving plants like rhododendrons. In fact, on