I discovered gardening recently. Yes, I know I didn't invent sticking some seeds in the dirt and hoping it turns into something, I mean I recently discovered the hobby, which is now an obsession of mine. Growing up, my father had a vegetable patch. I remember very vividly each summer looking at the bumper crop of sweet corn, tomatoes, cabbages and herbs that had grown. Back then it hadn't interested me. I think because it...