The "Other" Irises: Siberian, Japanese, Louisianas

Understanding the various groups of irises is really simple. The big, tall flowers we all know and love called "Bearded Irises" are planted in late summer, not in spring. And they are so large and so popular, with so many colors and hybrids, they often overshadow these gems. Don't let that happen in your garden.
Read more: http://snapzu.com/gladsdotter/the-other-irises-siberian-japanese-louisianas