Iris - Perennial Bulb with a Majestic Appeal -
birthday girl - tall bearded iris for sale - irises on sale flowers roots tubers rhizomes. Pink or peach ruffly flowers.
Planting and growing Bearded Iris and Reblooming Bearded Iris - White Flower Farm
DIY: Dividing Perennials - link lists what plants to divide, how to divide & how often. So could have used this when I was dividing my hostas and lillies.