THIS LISTING IS FOR 10 BULBS It's a magical time when bearded irises unfurl their pencil-slim buds to reveal a kaleidoscope of color in spring. Once commonly called flags, these perennials flourish in USDA Zones 3-9, where winter temperatures dip below freezing and allow the plant to go dormant before next year's growth. Type: Spring Planted Bulb Botanical Name: Iris Hollandica Bulb Size: 9-10 cm Color: Purple/Blue with Yellow Accent Height: 18 - 24 inches Sun/Shade: Sun & Partial Shade Bloom Time: Late Spring Hardiness Zones: 3 - 9