It's spring which means gardeners are itching to get their hands in the dirt! Well, for acid-loving plants, here's one ingredient that's a must, coffee grounds. Coffee contains nitrogen, phosphorus, potassium, and trace minerals, as well as properties that help to stimulate the growth of beneficial microbes. When grounds are stored they tend to develop green or blue-green fungus that looks like mold. The green fungus called Trichoderma, is very beneficial to the soil. The bl