>Iris versicolor, easy from seed, is a more northern species that does very >well here. I. virginiensis, supposedly native to Indiana, is not so >vigorous in my garden; but I have it in light shade. I. fulva lasted a few >years and bloomed nicely, but dwindled gradually away. All of these will thrive and multiply vigorously if given plenty of moisture. I grow mine in a pond with the rhizomes just below the surface of the water (this prevents iris borer from damaging them). I have a spectrum of Iris fulva ranging from yellow to dark red, with just about every step inbetween. The big hit this spring was one nicknamed "butterscotch". It was delicious! :-) Dennis in Cincinnati