Louisiana Iris are a bog iris that love wet feet but do not want to be submerged during the dormant season. These have large brightly colored flowers above rich green foliage.
Black Gamecock Iris (Iris louisiana 'Black Gamecock') is a short growing iris with thin blue-green leaves topped with deep purple flowers that almost look black. Zone 6-11
Her Highness Iris (Iris louisiana 'Her Highness') is a tall growing iris with pure white flowers above medium green leaves. Zone 6-11
Kolchesteri Iris (Iris kolchesteri) is a rare and beautiful iris with a Blue and white striped flower above yellow/green foliage. Zone 6-11