Those are truly nice flowers. Don’t know about the bush habit and other characteristics, but would you expect the flowers to change a lot when the plants are more mature? From single to double, sure, but these are (airy) doubles and I guess the colour will not change as well. I really do like that flower form. There are several ‘cactus-dahlia’ style peonies around, but I personally don’t like those and I’m sure most people will find them unattractive because they simply look unfinished (and usually not very symmetrical). These ruffled ones that you show here will appeal to far more people. It’s nice to see some really ‘different’ peonies coming along in the future. I’ll admit to being a bit jealous (I don’t have anything like it), but I’ll have to congratulate you nonetheless 🙂