This darling little iris is a native plant hardy in zone 3 to 9. Iris Cristata is commonly called Dwarf Crested Iris.
They are pale blue with gold crested falls and bloom in May here in Wisconsin. They are actually found more commonly further east and south but grow fine in other parts of the country.
They do fine in sun or dappled shade and are tolerant of both wet and dry soil. They will naturalize via shallow rhizomes, kind of like a strawberry. Not bothered by deer and rabbits.
The size of these iris can vary. Some hybrid varieties can be up to 8 inches tall or more. The type that we have here are quite small, about 4 inches, with one inch, blue violet flowers.$5.00