I am told this is Iris tuberosa. It just popped up behind my back today. I didn’t plant it and I’m not sure I like it. The common name of Widow Iris suggests something nasty is about to happen to me! My wife is giving me funny looks! Is it a sign?
Davids Garden Diary
Davids Garden Diary 
I think it’s quite attractive, but I’d check that your life insurance cover hasn’t been increased recently!
Was it something you said?!