Yellow flags (non-native and somewhat invasive) can live in a foot or more of water. Blue flags (native and not invasive) tolerate less depth on a consistent basis - maybe a few inches. Both are quite attractive. You may be warm enough to have other types survive in your location.

http://www.fs.fed.us/wildflowers/beauty/iris/

Last edited by RAH; 12/23/15 01:18 PM.