Welcome Jan! I don't know a thing about Irises and I'm really bad at comparing photo's for identification so I can't be of help but it looks like one of the Bearded Irises to me and I bet someone on the Iris forum: http://garden.org/forums/view/... might recognize that beauty!
~ I'm an old gal who still loves playing in the dirt!
~ Playing in the dirt is my therapy ... and I'm in therapy a lot!