Louisianas Irises are a horticultural class of Iris that is equivalent to the botanical series Hexagonae. They range across the US Gulf Coast from Texas to Florida and up the Mississippi River to Iowa. They are called Louisiana Irises because the large diversity present in that state. They can be grown almost anywhere in the United States and even into Canada provided a few easy requirements for cultivation are met. The blooms are usually very wide petaled and open, showing brightly colored style-arms and sharp signal-crests. Some of the most spectacular Iris flowers are in plants of this group. They compete for the DeBaillon Medal.
Example: Our Dorothy