Tom is right. If you are deadheading blooms be very careful just to remove the spent bloom. Otherwise you may be removing a developing bloom in the same socket. I like deadheading spent blooms because I do not like them distracting from the new blooms but like Arlyn I don't always keep up with this chore. It helps to keep clippers in your pocket when you go about the garden. That way you can make clean cuts and not break off the entire socket. As for the entire bloom stalk........ I think bloom stalks, when finished blooming, are very ugly in the iris garden. Once I can cut them off my garden looks like a happy place again.