I remember when I first learned about perennials and thought - what a great idea, I'll never have to replant again. LOL.  Even if pernnials didn't have to be divided, or die, most of us still have to move plants, add plants or remove plants in our attempts to have a garden that pleases the eye and the heart.  For my full review you can click here, but I can tell you briefly that The Perennial Gardener's Design…