There are plenty of ways to approach green magic. You can learn from books, you can learn from teachers, and you can learn directly from the plants and spirits. For most of us, an herbal education is some combination of the three. But when you're first starting out, it can be difficult to know how to listen to and learn from the plant spirits. There are a lot of plants out there, and if you don't know very much about any of them, how do you know where to start? And how do you know what the…