Wild Blue Iris (Iris missouriensis) Perennial Blue 12 to 36 inches tall Full sun or part shade Hardy zones 5-9 This amazing variety of iris grows to full bloom from seed!! It produces beautiful large blue blooms. Also known as western blue flag iris, it is native to a range between Colorado and California, but can grow just about anywhere in the US. This is an inexpensive way to get irises as opposed to buying the heavy , already established rhizomes. It does Establish rhizomes, and comes back every year. Best in full sun, light soil, with good drainage. Comes with planting instructions. In addition, germination of this seed can be improved by scarification, then 90-180 days cool moist stratification. Or plant outside in the fall in moist soil for delayed germination.